i
4 I
8 0
G e n u s O C Y P O D E , F a h r .
O C Y P O D E Ü R V I L L I 1 .
p i. 1. fig. 1.
Guerin, Zoologie de la Coquille, Atlas, Crustacés,
'l'h e d e s c rip tio n s o f th e Crustacea in th e Z o o lo g y o f M . D u p e r r e y ’s v o yage b e in g s till u n p u b lish
e d , 1 su b jo in th e fo llowing a c c o u n t o f th is spe c ie s.
'1 h e c a ra p a c e is te n lin e s in le n g th , a n d tw e lv e in b r e a d th , c o n v e x , g r a n u la te , w ith <a c a n a l ic u la
te m a rg in . T h e ro s ir« » i is n a r row , in c lin e d , a u d ro u n d ed a n te r io r ly ; on e a ch s id e o f i t a re tw o in c isu re s
in th e fro n t o f (h e c a r a p a c e , lo d g in g th o ey e s a n d th e ir p e d u n c le s ; th e l a t t e r p ro je c t slig h tly b ey o n d th e
ey e s, w h ic h a r c v e ry la rg e . T h e cubiti a r e d e n ta te d a t th e in n e r m a rg in ; th e manus o f th e le f t chela,
w h ich is th e la rg e s t in th e sp e c im en , is s e r r a te d a t th e o u te r m a rg in ; th e d ig its a re d e n ta te d in te r n
a lly , a u d a re m a rk e d w ith lo n g itu d in a l lin e s. T h e claws a re com p re ssed , a n d tran sv e rs e ly s tr ia te d .
T h e habitat o f th e sp e c im e n w a s m a rk e d “ L ow I s la n d s o f tlie P a c ific O c e a n .”
G enus G R A P S U S , L am a rc k .
■e spinosis; femoribus supi-a e t subhis spinosis.
5 . G r a p s u s t h u k u h a r . n .s .
Grapsus clypei lateribus striatis ; humeris, ulnis, carpís;
Long, clypei, hji. 13 . I a t . l i n . l 5 .
Color, fu lv u s brunneo-punctatissimus.
T h e c a r a p a c e o f th is sp e c ie s is b ro a d e s t in f ro n t ; th e sid e s s lig h tly co n v e rg in g to th e p o s te r io r
a n g le s , w h ic h a r e tru n c a te d . T h e rostmim is v e ry broadvvfî in c lin e d , a n d su p p o rts fo u r p rom in e n c e s ,
o f w h ic h th e la te r a l a re th e la rg e s t. T h e sid e s o f th e c a r a p a c e a r e w ith o u t n o tch e s o r d e n ta tio n s , b u t
th e a n te r io r a n g le s a re p ro d u c e d a n d a c u te ; th e r e a re obliq u e lin e s o v e r th e b ra n c h ia l reg io n s. T h e
cheloe a r e e q u a l, sh o rt, o b tu s e ; th e hum e ri h av e tw o sp in e s ; th e cubiti h a v e th e ir in n e r m a rg in s
d ila te d a n d a rm e d w ith s p in e s ; th e carpi h a v e a lso o n e o r tw o sp in e s a t th e ir in n e r a s p e c t ; e a ch
matms is s lig h tly tu b e r c u la te d a t th e in n e r a n d u p p e r p a r t , b u t e lsew h e re is sm o o th a n d elegantly-
m o ttle d w ith p u rp le . T h e c law s a r e c om p re s s ed ; th e fem o r a h a v e a s ingle sp in e a b o v e , a n d tw o
b en e a th , a t th e d is ta l e x tr em ity ; th e o tlie r jo in t s a re h irsu te , th e p e n u ltim a te a n d te rm in a l o n e s being
a lso a rm e d w itli fine sm a ll sp in e s p ro je c tin g d is ta d , a n d w h ic h m n s t be o f some s e rv ic e in progre.ssion,
b y p re v e n tin g th e c law s p e n e tr a tin g too d e e p in th e s a n d . T h e c o lo u r o f this c r a b is a d u ll y e llow,
s p r in k le d c lose ly a ll o v e r w ith m in u te b row n sp o ts , lik e th e sk in o f S ep ia officinalis.
Tiio sp e c im en was c a p tu re d by M r . L a y a t O a h u ; w h e re i t is k n ow n am o n g th e n a tiv e s u n d e r
th e d e n om in a tio n " T h u k u h a r ," wh ich I h av e th e re fo re r e ta in e d a s th e “ n om en t r iv ia le ” o f th e
sp e c ie s .
P l a t e X X [V . F ig ; 3 . G r a p su s T h u k u h a r .
3 a . Chela s in is tr a .
S e c t i o n CRYPTOPODA, Latr.
G enus C A L A P PA , Fa b r.
6 . C a l a p p a T Ü B E R C U L A T A . F a ir., Entom. Suppl. p.2>45. f i g . Herhst, Krabben
taf. 13. fig. 78. mala. Desmarest, Considerations sur les Crustacés, pî. 10.
f i g . l . l a .
T h is species in h a b its , a c c o rd in g to L am a rc k , th e A tla n tic O c e a n . F a b r ic iu s , w h o d e s c rih e d tiie
sp e c ie s from th e B a n k s ia n c a b in e t, a n d a f te r him H e rb s t, co n s id e r it a n a tiv e o f th e Pa c ific O c e an,
T h e p re s e n t s p e c im e n w a s ta k e n a t O a h u , S a n dw ic h Is le s . I t is c a lle d b y th e n a tiv e s , Papahi.
C R U S T A C E A .
S e c t i o n TRIGONA, Latr.
G e n u s P A R T H E N O P E , F a h r.
7 . P a r t h e n o p e p u n c t a t i s s i m a . n .s.
P M h . d y r e , A M b o i i e . A .U . h . g im M , Irlh e iH ,, o n g u li, dM a li,.
Long, clypei, Un. 6 . la i. Im. 7.
T h e c a r a p a c e o t th i s species is rh om h o id a l, u n i .e r s a l ly p a n c ta te , a n d tr a v e r s e d lo n g itu d in a lly by
'“ “ " T t o l a t e r a l e lev a tio n s a re e a r in a te . a n d e a c h te rm in a te s p o s te r io r i, “ “ " f “ . ^ ^ t Ì s '
w m m a rn m T h is s in g le sp e c im e n , a m a le , w a s ta k e n b y L ie u te n a n t B e lch e r o n th e co a st o f C a lifo rn ia .
P l a t e XXIV. F ig . 4. P a r t h e n o p e p u n c t a t is s im a .
MACROXJKA, Leach, Latr.
S e c t i o n A N O M A L I A , L a t r . ( C m . R è g n e A n im . i . p . 7 3 . n o u v . e d .)
G e n u s P A G D R U S , l a t r . Leaeh.
8 . P a g u e u s S t e e b l o n y x . L e a c h , M a l a c o s t r a c a P o d o p h t h . B r i t . t a l . 2 6 . j
a . 1 - 4 .
T w o sp eo im en s we re ta k e n a t K am ts c h a tk a . w h ic h h av e th e tw is te d c law s , a n d a ll th e o th e r
characters of S treb lo n y x s a v e that o t co lo u r, b e in g O ta d ir ty b row n h u e ._________________ ___
Tho m « « r o f th e le f t ohola o t o n e o f th e sp e c im en s w a s o t a m o re r e g u la r t r ih e d r d form th a n in
o u r common H e rm it c r a b , b u t th is c h a r a c te r w a s le ss m a rk e d in th e o th e r sp e e .m e n . T h e y a re
M'ith m in u te S p iro rb e s , which ve ry com m o n ly in f e s t th e A rc tic C ru s ta c e a .
9 . P a g u r u s s p l e n d e s c e n s . n. s.
ililer tuberculalis, sin is tré digitis t P a g .fu s c u s , colore viridi nitens ; chelis U alde elongatis.
Long. Corp. unc. 3 J .
T h is s in g u la r sp e c ie s ha s a c o n v e x a n d h e a rt-sh a p e d Ihorar, tr id e n ta te in fro n t, w ith th e m id d le
to o th p ro d u c e d , a n d some sm a lle r d e n ta tio n s b e h in d th e la te r a l te e th . T h is is d iv id e d , as is u su a l in the Paguri, in to a c a rd ia c a n d b r a n c h ia l r e g io n , h u t th e lin e o f d em a r c a tio n sp lits to in c lu d e a
sm a ll e llip tio a l p o rtio n o n e ith e r s id e ; th e a n te r io r a n g le s o t th e b ra n c h ia l reg io n p ro je c t fo rw a rd s ,
M