“ Ml
lit
o r rig h teh a n d e d rope , a n d th o se o f th e tw o low e r carinó: a re in th e
o p p o site d ire c tio n , o r lik e w h a t is te rm e d a h aw se r-la id rope .
B e tw e e n th e s e n o d u lo u s carimce a re e lev a ted lin e s, a n d th e b a se is
v e ry s tro n g ly s tria te d . P o u n d in d e ep w a te r in th e B ay o f V a lp a raiso.
D e ad shells o f th is species a re occasionally fo u n d th row n
u p o n th e be ach , n e a r th e A lm e n d ra l.
6 6 — T u r r i t e l l a n o d u l o s a .
T . testd elongato-turritd ; a n fra c lih is striatis ; striis duabus maximis
subnodulosis ; l o n g . \ \ \ ; lat. - J g f e r e ; poll.
H a b ita t Ì M u s . B r it., nost.
T h e tw o la rg e strice, w h ic h a re rem a rk a b le fo r th e n o d u le s, a re
n o t fa r from th e m id d le o f e ach w h o rl, a n d g e n e ra lly a re n e a re r
th e u p p e r s u tu re : o f th e s e th e low e st is th e la rg e st.
5 7 . M u r e x s a l e b r o s d s .
M . testd elongato-ovatd, subalbidd, J a sc iis fu s c is , epidermide cinered ¡
spird b r e v i; anfractibus angidatis, nodulosis; aperturd oblonga
a d basin angustd, castaned, intus albd ; labro interne denliculato,
dentibus obtusis albis ; columelld rectd, la v i ; canali brevi ;
long. ; lat. 2 ; poll.
H a b ita t ? M u s . nost.. Geo. S om rb y .
T h is species ap p ro a ch e s Murex vituUnus v e ry n e a r ly ; th e b o d y -
w h o rl is v e ry m u c h elo n g a ted , a n d th e n o d u le s w h ic h m a rk tlie
an g le s o f th e w h o rl a re fo rm ed o f th e m o re e lev a ted p a rts o f w h a t
m ay b e te rm e d coarse lo n g itu d in a l pla its.
5 8 . M u r e x R h o d o c h e i l u s .
M . testd ventricosd, albd, fa s c i is elevatis striatis ; septemfariam va-
ricosd, varicibus roséis deniiculatis ; aperturd rotundatd, rosed, in tus
albidd ; labri margine asperrime denticulato ; caudd mediocri,
sub-recurvd ; long. 3 J | ; lat. 2~3g ; poll.
H a b ita t ? M u s . nost.
5 9 . T r i t o n r a n e l l i f o r m i s .
T . testd ovato-fusiformi, subdepressd, albidd fu s c o fa s c ia td , costatd ;
costis granulosis, interstitiis striatis ; aperturd subrotundd, albidd ;
columelld suhrugosd ; labro interne obtuse denticulato ; margine
u n d u la to ; epidermide viridi-fuscd, scabrd; long. 3 J „ - ; l a t . l ^ ;
poll.
H a b ita t ad S in um P eñ a s et oram occidentalem America; meridionalis.
M u s . B r it., nost., Brod.
T h e d en ticu lcs o f th e o u te r lip a re ra n g e d in p a irs , a t r e g u la r
a n d somewh.at d is ta n t inte rv a ls .
6 0 . T r i t o n s c a b e r .
T . testd ovato-acutd, cancellatd ; spird elongatd ; epidermide fu s e d ,
setosd ; aperturd albd granulosd ; labro interne obtuse denticulato ;
long. ; lat. ; poll.
H a b ita t a d oras Americce meridionalis (Valparaiso). M u s . nost.
T h e d e n tlc u le s o f th e in n e r lip a re m o re e le v a te d th a n th o s e o f
th e la s t (T . ra n e llifo rm is), a n d a re e q u id is tan t. I t was fished u p
w ith th e an c h o r in V a lp araiso B ay .
6 1 . M o n o c b r o s f u s o i d e s .
M , testd ventricosd, spird mediocri, anfractibus bicarhiatis; a n fractu
basali lineis elevatis admodum distantibus cincto ; aperturd p a tu ld ;
dente lahiali brevi, lato, obtuso ; canali producto, recto, integro ;
operculo corneo ; long. 2| ; lat. I f ; poll.
H a b ita t a d oras Americce m eridionalis (Concepcion). M u s . B r it.,
nost., B ro d .
A p p ro a c h in g Ftisus in its e lo n g a ted a n d e n tire canal, w h ile its
e x te rio r lip h a s th e la b ia l to o th w h ich d is tin g u ish e s Monoceros.
T h e columella is n o t s tra ig h t, as in a ll th e o th e r species, b u t cu rv e d ,
so as to m a k e a n a n g le in some specimens a t th e com m en cem en t
o f th e c ana l, a n d in a ll it becomes v e ry b ro a d a t th e p o in t w h e re
i t is opposite to th e to o th . T h e sh e ll is o f a re d d is h colour,
v en trico se, a n d g ir t w ith e lev a ted lin e s , a b o u t a q u a r te r o f a n in c h
a p a r t. T h e sp ire has o n ly tw o o f th e se lin e s on e ach w h o rl, a n d
h a s a b ic a rin a ted ap p ea ran c e. T h e a p e r tu re is wide, th e o u te r lip
sin u o u s, its to o th sh o rt, b ro a d , a n d o b tu s e , a n d th e o p e rc u lum
h o rn y . T h e sh ell is seldom fo u n d in a p e rfe c t state, th e b e ak
b e in g g e n e ra lly b ro k e n off, a n d th e su rfa c e is, in a ll th e specimens
th a t I h av e seen, co v ered w ith a c alca reo u s en c ru s ta tio n , en tire ly
concealing th e colours.
6 2 . B u c c i n u m s i u r i c i f o r m e .
B . testd ovato-fusiformi, cinered; anfractibus tumidis, costellatis,
costellis cancellatis ; aperturd castaneo-nigricante ; labri margine
crenulato. Muricem mentiens ; long. I ; ¡at. -fg ; poll.
Ha b ita t ad f r e tu m Magellanicum. M u s . B r it., nost., Brod.
T h e eggs o f th is species we re fo u n d , an d a re p re s e rv ed in sp irits.
il i : r