DIMENSIONS.
Length from tip of snout to end of caudal fin .
,, « gill-opeuing............
Height of b o d y .......
Thickness o f d itto ...................................................
Length of pectoral fin .......................................... .
„ caudal fin .............................................. .
H a b . N o r th -w e s t c o a s t o f A u s tra lia .
. 3-25 inches.
. 1-30 „
. 0-70 „
. 0-60 „
. 0-45 „
. 0-55 „
. 0-70 ,,
E l e o t r i s g o b io id e s . C uv . e t V a le n c .
E le o t r i s g obioide s. H i s t , d e s P o is s . 12, p . 247.
R a d i i :— B . 6 ; D . 6 ] — 1 |1 1 ; A. l ] 1 0 j C . 2 2 ; P . 2 0 ;
V . 1]5.*
P l a t e I I . , figs. 5, 6 , n a tu r a l siz e .
M a n y s p e c im e n s o f th is fish w e re p ro c u r e d b y th e
e x p e d itio n in th e s a lt w a te r o f th e B a y o f I s la n d s , a n d in
a fre sh w a te r la k e a s h o r t w a y in th e in te rio r. T h e y va ry
c o n s id e ra b ly in tb e d is tin c tn e s s o f th e m a rk in g s , a n d th e
p a le v e r tic a l lin e o n b a s e o f th e p e c to r a l fin is in some
s c a r c e ly to b e p e rc e iv e d . T h e d a rk b lo tc h e s o n e a c h s id e
o f th e lin e a lw a y s e x is t.
T b e o p e r c u lum a n d su b o p e rc u lum a re s c a ly ; th e a n te rio
r c om e r o n ly o f th e la t te r b o n e , a n d th e iu te ro p e rc u lum ,
b e in g n a k e d . T h e c h e e k a p p e a r s to b e n a k e d , b u t sc a le s
m a y b e d e te c te d b y s c ra p in g o f f th e sm o o th in te g um e n t.
O n th e to p o f th e h e a d th e s c a le s com e fo rw a rd to o p p o s
ite th e p o s te r io r th i rd o f th e o rb its , a n d a re s c a r c e ly
s e n s ib ly le s s th a n th o s e o f th e b o d y ; th e i r b o u n d in g
lin e sw e e p s ro u n d to b e h in d th e e y e , a n d th e re is a
c lu s te r o f sm a ll s c a le s o n th e tem p le a t th e u p p e r e n d o f
th e p r e o p e rc u lum . T w o o p en p o re s e x is t o n th e d isk
o f th is b o n e , a n d th e r e a re m a n y fin e m u c ig e n o u s Hues
o n th e h e a d , v iz ., o n e ru n n in g lo n g itu d in a lly a lo n g th e
in te r io r b o rd e r o f e a c h n a s a l re g io n , a n o th e r b e n e a th th e
e y e , a d o u b le o n e a lo n g th e tem p o r a l fu rrow , o ne b ra n c h in g
o n th e ch e e k , o n e tr a c in g th e low e r e d g e o f th e iu te ro p e r -
c u lum , a n d c o n tin u in g u p th e fu rrow w h ich m a rk s th e
e d g e o f th e p r e o p e rc u lum to th e tem p le , a n d , la s tly , o n e
c ro s s in g th e o p e rc u lum o b liq u e ly .
DIMENSIONS.
L en g th from u pper lip to lip o f cau d a l fin........................... 5 '8 0 inches.
a n u s .............................................. 2-90 „
„ „ gill-opening ................................ 1-65 „
L en g th o f c a u d a l........................................................................... 1-05 „
H e ig h t o f b ody M O „
Thickness of body ................ 0-90 „
„ h e ad a t g ill p la te s 1-00 „
T h e l a rg e s t e x am p le m e a su r e s a b o v e se v e n in c h e s in
le n g th .
H a b . B a y o f I s l a n d s , a n d a d jo in in g fre sh -w a te r la k e s
o f N ew Z e a la n d .
• T h e la s t two rays o f th e dorsal an d an al are separate a t th e base,
an d are co unted h e re separately, n o t as b ranches of one ray, as in the
H u t. des Poiss.
E l e o t r i s m o g g r n d a . R ic h a rd so n .
C h . S p e c . E l . ro stro , g e n isq u e s q u am o s is ; /a s c i i s ir ib u s
o b liq u is n ig r e s c e n tib u s in ope rcuUs, m a c u lis o h scu ris in
m e d io la t e r e ; p in n i s d o rsi, a n i e t c a u d a m a cu lo s is .
R.ADII D . 8)— 1114; A. 1 |1 4 ; C . 3 2 ; P . 1 6 ; V. 1|5.
P l a t e I I ., figs. 1 a n d 2, n a tu r a l size.
T h i s sp e c ie s , lik e th e p r e c e d in g , h a s m u c h th e a s p e c t
o f th e com m o n o b s c u re -c o lo u re d g o b ie s o f th e E u ro p e a n
s e a s , a n d i t d iffe rs from th e E le o tr id e s g e n e ra lly , in h a v in g
a g r e a te r n um b e r o f d o rs a l a n d a n a l rays, i t s .specific
n am e is its n a tiv e a p p e lla tio n a t P o r t E s s in g to n .
T h e b o d y is h ig h e s t a t th e c om m e n c em e n t o f th e firs t
d o rs a l, a n d i t d im in ish e s so g ra d u a lly p o s te rio rly , th a t th e
ta il is o n ly a th ird le s s h ig h . I n p ro file th e n a p e is ro u n d ,
a n d th e s lo p e from th e n c e is p r e tty s te e p , in a s tr a ig h t or
s lig h tly h o llow lin e to th e n o s trils , wh e re th e sn o u t, a s is
u s u a l in th e g en u s , b u lg e s a little . T h e th ic k n e s s o f th e
b o d y is a th ird le s s th a n th e h e ig h t, a n d th e com p re s s io n
in c r e a s e s in th e t a i l u n til th e th ic k n e s s is o n ly a th i rd o f
th e h e ig h t. T h e s id e s a re fla ttish , th e b e lly is o b tu s e , th e
b a c k r a th e r le s s so. T h e c h e e k s a n d g ill-c o v e r a re co n v e x ,
a n d th e to p o f tlie b e a d is flat, o r som ew h a t h o llow in
th e m id d le . T h e tem p o r a l g ro o v e i s d e e p ly im p re s s e d , a n d
is l in e d w ith sc a le s , w ith o u t th e fin e lin e o f p o re s w h ic h
tra v e rs e s i t in m a n y sp e c ie s . N e ith e r a re th e m u c ife ro u s
lin e s to b e tr a c e d o n th e ch e ek .
T h e c h e e k s a n d g ill-co v e rs a re d e n s e ly s c a ly , a n d on
th e to p o f th e h e a d th e s c a le s a re e q u a l iu s iz e to th o s e o f
th e b o d y . T h e y r u n forwai-d n e a r ly to th e e d g e o f th e
s n o u t, te rm in a tin g in a n o b tu s e p ro je c tio n o n e a c h s id e o f
a sm a ll s c a le le s s sp a c e , c o v e rin g th e in te rm a x illa ry p ed ic le s .
T h e n a r row n a s a l r e g io n s , th e sm a ll p r e o b ita r , th e u p p e r
a n d u n d e r lip s , th e low e r b o rd e r o f th e iu te ro p e rc u lum ,
th e low e r jaw , a n d th e g ill-m em b ra n e , a re a lso s c a le le s s .
T h e c o n v e x u p p e r b o rd e r o f th e o rb it is c lo th e d b y a lv ip le
s e rie s o f d e n s e ly tile d sc a le s , m u c h sm a lle r th a n th o s e on
th e c h e e k , o r to p o f th e h e a d .
T h e e y e is d i s ta n t o n e d iam e te r o f th e o rb it from th e
tip o f th e s n o u t, a n d tw o - a n d - a -h a lf from th e g ill-o p en in g .
T h e h e a d c o n s titu te s a th ird o f th e le n g th o f th e fish,
e x c lu d in g th e c a u d a l fin. T h e m o u th i s m o d e ra te ly la rg e ,
a n d th e low e r jaw is lo n g e r th a n th e u p p e r o ne . T h e te e th
a re in m o d e ra te ly b ro a d v illifo rm b a n d s , with a n o u te r
row a b o v e a n d b e low , a l ittle s to u te r. T h e to n g u e a n d
p a la te a re s tu d d e d b y m in u te g la n d u la r-lo o k in g papiiiae.
T h e g ill-m em b ra n e s jo in th e is thm u s fa r forwa rd, b e n e a th
th e fore p a r t o f th e o rb it, b u t th e o p e n in g is re s tric te d b y
a d e lic a te in te r io r fold o f m em b ra n e , b e n e a th th e u p p e r
lim b o f th e p re o p e rc u lum . T h e r e a re th re e p o r e s o n th e
d is k o f th e p re o p e rc u lum . T h e a n u s is p o s te r io r to th e
m id d le o f th e fish, c a u d a l e x c lu d e d . T h e a n a l p a p illa is
sm a ll a n d s im p le . T h e g en e ra l c o lo u r o f th e sp e c im en s ,
a fte r lo n g m a c e ra tio n in sp ir its , is h o n e y -y e llow , o r p a le
b row n , u n s p o tte d o n th e u n d e r su rfa c e o f th e h e a d a u d
b e lly , b u t d e e p e n in g in to d a rk um b e r o n th e b a c k . A
c row d ed se rie s o f b la c k is h b row n b lo tc h e s ru n s a lo n g th e
m id d le o f th e side s, a n d th e r e a re th re e p a r a lle l o b liq u e
d a rk s tre a k s o n th e s id e o f th e h e a d . T lie u p p e r stre ak
c ro s s e s th e o p e rc u lum a n d b a s e o f th e p e c to r a l, th e o th e r
two ru n from th e o rb it o v e r th e c h e e k a n d su b o p e rc u lum .
T h e v e r tic a l fins a re sp o tte d . S om e sp e c im e n s m e a su r e d a
th ird m o re th a n th e o n e h a v in g th e fo llowing
DIMENSIONS.
l,e n g ih from u p per lip to en d of cau d a l fin .
” ” gill-opening..............
H e ig h t o f body b eh in d tbe p e c to ra ls...............
Tbiokness ib e re .........................................................
„ a t tb e g ill-co v ers................................
H e ig h t o f tail .........................................................
Thickness o f ta il near base o f c a u d a l..............
Len g th of caudal fin ...........................................
. 4-20 inches.
. 2-00 „
• M 5 „
. 0-86 „
. 0-58 „
. 0-63 „
. 0-50 „
. 0-16 „
. 0-80 „
H a b . P o r t E s s i n g t o n , n o r t h e n d o f A u s t r a l i a .
N o t o t h e n ia . R ic h a rd s o n .
C h . G e n . F o rm a E le o t r id ib u s n e c n o n T r a c h in i s v e l
P e r c ib a s q u o d am m o d o s im ilis . C o rp u s e c a p ite U m id o
v e n tr e q u e p r om in u lo in c a u d am c om p r e s sam s e n s im
m a c re sc en s.
O s m o d ic um , tei-m in a le . L a b ia tu m id a , r e jle x a . L n te r -
m a x i lla r ia ossa p a r u m p r o lr a c lilia . M a x i l la su b os
p r e o r h ita le r e c ed en s , a p ic e lam e n la tio r i u ltr o e x te n so
h in c a d a n g u lu m oris p a te fa c to .
S quam ® s a tis m a g n a .
L in e a la te r a lis a n te f i n e m p i n n a d o r s i s e c u n d a d i f f r a c ta ,
i n f r a r e s um p ta d e n iq u e a d b a s in p i n n a c a u d a desinens^.
P r c o p e r c u lum p o ro sum , in e rm e , a c ie s em ic ir c u la r i lib e ra .
O s o p e rc u la re p r o p e a n g u lum e ju s su p e r um em a r g in a tum ,
n e e iam e n in p is c e r e c e n ti á n g u lo s o c u to s o sten d en s.
M em b r a n a b r a n c h io s te g a r a d iis s e x s u s te n ta ia , a p e r tu r am
s a iis m a g n am o pe riens.
D e n ie s m a n d ih u lo r um breves, ac e ro si, in a q u a le s , s tip a ti.
P a la tum lin g u a q u e la v e s.
PiniifE v e n tra le s y u g u la r e s : p e c to ra le s m a g n a , r o íu n d a ta :
p i n n a d o rsi p r io r r a d ii s p a iic is f e x i l i b u s s u s ie n to ia ;
d o r s i s e cu n d a p r io r i a p p r o x im a ta , p in n a q u e a n i lo n g a ,
a q u a le s .
CsDca p y lo r ic a c i r c ite r q u in q u é .
V e s ic a p n e um a tic a n u lla .
C ra n ium co n v e x um , la v e .
N o t o t h e n ia c o r i ic e p s . R ic h a rd so n .
C h . S p e c . N . c a p ile coriaceo, p a p illo so ru gosoque ;
p in n à c a u d a t r u n c a ià ; m em b r a n a b ra n ch io s teg a
a lb id à .
I U d i i :— B r. 6 ; D . 51 — 3 4 ; A. 2 7 ; C. 1-2, P . 1 7 ;
V . 1]5.
P i a t e I I I . , fig. 1 a n d 2 , n a tu r a i siz e .
K e rg u e le n ’s L a n d , ly in g in th e 4 9 th p a r a lle l o f so u th
la titu d e , a n d 7 0 th d e g re e o f e a s t lo n g itu d e , o r d ir e c tly
so u thw a rd o f th e In d ia n O c e a n , a n d fa r from o th e r is la n d s
o f a n y m a g n itu d e , is sk irte d b y a b e l t o f s e a -w e e d , am o n g
w h ich o u r n av ig a to rs o b ta in e d m a n y e x am in e s o f th re e
d iffe ren t sp e c ie s o f fish b e lo n g in g to th e g en u s c h a r a c te
r is e d a b o v e a s a n ew form. T h e p r e s e n t s p e c ie s w a s
ta k e n a lso a t th e A u c k la n d Island.?, in th e 5 1 s t p a r a lle l,
a n d d u e so u th o f N ew Z e a la n d . O th e r s p e c ie s fr e q u e n t
C a p e H o r n , a n d o n e w a s p ro c u r e d am o n g th e ic e , w ith in th e
A n ta r c tic c irc le , n e a r th e 1 5 5 th m e rid ia n , w e s t. T h e d e s
ig n a tio n * o f th e g e n u s h a s re fe re n c e to its h ig h s o u th e rn
h a b ita t, w h e re i t is p ro b a b ly r e p r e s e n te d b y o n e o r m o re
s p e c ie s in a lm o s t ev e ry d e g re e o f lo n g itu d e .
I h a v e n o t b e e n a b le s a tis fa c to rily to d e te rm in e th e
fam ily to w h ic h N o to th e n ia b e lo n g s . I n m a n y o f its c h a r
a c te r s i t c o in c id e s w ith E le g in u s , w h ic h is a s s o c ia te d b y
C u v ie r w ith th e S c ia n id a . T h e y a p e e in h a v in g ju g u la r
v e n tra ls , o n ly s ix g ill-ra y s , a n d n o a ir -b la d d e r , p a r tic u la r s
t h a t s e em to in d ic a te a w a n t o f a ffinity w ith th e tru e
S c ia n id a , wh ich a re rem a rk a b le fo r th e d e v e lo pm e n t o f
th e ir a ir -b la d d e r s , a n d h a v e c a v em o u s c r a n ia , v e ry d iffe ren t
from th e sm o o th , ro u n d e d sk u ll o f a N o to th e n ia . T h e
fle x ib ility o f th e sp in o u s ra y s o f th is g e n u s , th e o p e n p o re s
o n th e p re o p e rc u liim a n d low e r jaw , a n d th e c lo s e sim ila
r ity o f its v e n tra ls a n d g e n e r a l h a b i t to in d u c e d
m e to p la c e i t am o n g th e G o b iid a , n e x t to th e l a t te r g en u s ;
b lit th e e x is te n c e o f th e a b e r r a n t fo rm o f N o to th e n ia ?
rossii, w h ic h h a s sh o rt, stiff', b lu n t, th o u g h n o t s to u t ra y s ,
in th e f ir s t d o rs a l, r e n d e r s th is c o llo c a tio n le s s s a tis fa c to ry .
I h a v e n o t h a d a c c e s s to a n y s p e c im e n o f E le g in u s , for
th e p u rp o s e o f in s titu tin g a com p a riso n w ith N o to lh e n ia ,
h u t ju d g in g from th e figure in th e H is to ir e d e s P o is so n s ,
(p la te 115,) a n d th a t in th e Voyage de la Coq iiille o f
E le g in u s m a c lo v in u s , th e g e n e ra l h a b i t o f th e two g e n e r a
is d is s im ila r. E le g in u s h a s a b lu f f s n o u t, m o re lik e a
S c ia n a ; its m a x illa ry , c o n s id e ra b ly e n la rg e d in th e m id d le ,
g lid e s u n d e r a s q u a re p r e o rb ita r , its h e a d is e x te n s iv e ly
sc a ly , a n d its g ill-p la te is d is s im ila r in form. T h e fig u re
in th e H is to ir e d e s P o is so n s d iffe rs from t lia t iu th e
Voyage d e la C o q u ille , in tb e la te r a l lin e b e in g r e p r e s
e n te d a s c o n tin u o u s ; a u d th o u g h th e s p e c im e n s from
w h ic h th e fo rm e r d raw in g w a s m a d e a re s ta te d to h a v e
b e e n im p e rfe c t, y e t th e c o n tin u o u s lin e se em s u n q u e s t
io n a b ly to b e p ro p e r to E le g in u s , for it is a s s ig n e d in
th e H is to ir e d e s P o is so n s to tw o o th e r s p e c ie s , c lo s e ly
r e s em b lin g m a c lo v in u s , a n d M . L e s so n s ta te s t h a t h is figure
is in c o r r e c t in th is p o in t, a n d in som e o th e rs . T h e in te r ru
p te d la te r a l lin e , th e re fo re , is a re a d y m a rk b y w h ic h to
k now N o to th e n ia from E le g h iu s .
I n N o to th e n ia co r iic ep s th e h e a d c o n s titu te s e x a c tly a
fo u rth p a r t o f th e le n g th o f th e fish, c a u d a l fin in c lu d e d ,
a n d is c o n v e x ly co n ic a l, tvilh a ll th e co rn e rs ro u n d e d off’,
th e sn o u t a n d u p p e r lip fo rm in g th e r a th e r o b tu s e a p e x .
T h e b o d y is th ic k e s t a t th e p e c to ra ls , whe re th e h e ig h t a n d
w id th a re a b o u t e q u a l, a n d is m u c h c om p re s s e d b e y o n d
th e an u s , w h ic h is in th e m id d le o f th e fish , c a u d a l e x c
lu d e d . B e h in d th e d o rs a l a n d a n a l fin s th e h e ig h t o f th e
ta il is th r ic e its th ic k n e s s . T h e p ro file d e s c e n d s in a c o n v
ex cu rv e from th e firs t d o rs a l, w ith a m o d e r a te lla tte n iiig
o f th e c ra n ium , a n d a s u d d e n d ro o p in g o f th e u p p e r lip,
b e n e a th th e e n d o f th e s n o u t. T h e b e lly is r a th e r tum id ,
a n d w h en th e b lu n t to n g u e is d e p r e s s e d , th e in te g um e n t
b u lg e s o u t b e tw e e n th e lim b s o f th e low e r jaw . T h e c i r c
u la r o rb it is s itu a te d h ig h u p , a n d a s n e a r a g a in to th e
* T b . voTioSfv.