! !
l:i '
! i I
t*- ;
v a lu ab le a rtic le o f food to tb e sh ip ’s com p a n y , p a rtic u la rly d u r in g
th e w in te r m o n th s , w h e n s e a -b ird s a n d game w e re n o t to b e p ro c
u re d , a n d th e fish h a d d e s e rte d u s . I h a v e n am e d it, in allusion
to its affording u s a g ra te fu l, as w e ll as seasonable, s u p p ly o f fresh
food.
8 . E r y c in a S o l e n o id e s .
E . testd suhellipticd, transversim creberrime siibslriatd, albidd, epidermide
fu s co -g ris e d ; long. 1 p a u lo minus ; lat. 2 ; poll.
H a h ila t in f r e t o Magellanico (sa n d y m u d flats o f P o r t F am in e ).
M u s . B r it., nost., B ro d .
9 . T e l l i n i d e s r o s a c e a .
T . testd siib trig o n d ,p la n u la td , striis concentricis creherrimis; long. | ;
lat. ; poll.
H a b ita t a d lillora Brasilice (S an to s ). M u s . nost.
1 0 . V e n u s i n p l a t a .
V. testdrotundatd, concentrice substriaid, albente, in tu s albd, lunuld
obsoleta; long. lat. I f ; poll.
H a b ita t in f r e to Magellanico (P o r t F am in e ). M u s . nost.
1 1 . V e n u s a n t iq u a .
V , testd sub-ovali, convexiusculd, creberrime cancellatd, sub-fused,
intus albidd ; lunuld cordatd ; long. 2 f ; lat. 3 ; poll.
Obs. in ju n io r ib u s , striis transversis cm c en tric is elevatis, acuiis.
H a b ita t a d littora occidentalia Patagonice (G u lf o f P e ñ a s a n d its
v ic in ity ). M u s . B r it., nost., B ro d .
1 2 . A r c a a n g o l a t a .
A . testd transversd, subcordato-quadratd, in tu s fu sco-violascente;
latere antico p roducto, elevato, u ndulatim lamellato, postico rotun-
d a to ; umbonihus valdè remotis, ared c a rd in a li m a x im a , s tr ia id ;
margine M a n te ; long. I f ; lat, I f ; p o li.
H a b ita t ad J u a n F e rn a n d e z . M u s . nost.
T h is sh e ll was d r e d g e d u p from 8 0 fa th om s w a te r in th e offing
o f C um b e rla n d B a y , a t J u a n F e rn a n d e z ; i t was a tta c h e d to a
b r a n c h o f coral.
T h e h in g e is b ro a d a n d sm o o th , w ith d is tin c t m a rk in g s ; th e
g a p e is r a th e r w id e , a n d th e a n te rio r p a r t o f th e sh e ll rises
r a th e r e le g a n tly , lik e th e s te rn o f some In d ia n canoes, an d in all
th e specimens b u t one, te rm in a te s in a p o in t. T h e one above
d e sc rib e d has a ro u n d e d f o rm ; th e bow s o r f ro n t b e in g r a th e r
e le g a n tly a n d finely la ra e lla ted in a w a v y fo rm ; th e co lo u r o f th e
h in g e is red , a n d th e in s id e is g e n e r a lly o f a b row n ish p u rp le ; in
some it h a s a m o re y e llow tin g e .
13. A r c a p e c t i n o i d e s .
A . testd auriculatd, cordatd, ventricosd, multi-costatd, transversim
s tr ia ti, albd, epidermide ru fo nigricante, p ilo s d ; umbonihus suh-
approximalis, incurvatis, margine crenulato ; long. 1 ; la i. I f ;
p o ll.
H a b ita t a d R ip d e J a n e iro . M u s . B r it., nost., B ro d .
14. N u C U L A S T R IA T A .
N . testd s tr ia ti, subtumidd, crassd, suh-trigond, a lb d ; latere antico
p roductiori, sub-rostrato ; long, ; lat. f ; p oll.
H a b ita t in m a ri alto circa oras Patagmiicas. M u s . nost.
T a k e n b y a d r e d g e in 40 fa th om s w a ter, 20 miles from th e coast
o f S o u th A m e ric a , in th e n e ig h b o u rh o o d o f P o r t S ta E le n a .
15. M o d i o l a s i n u o s a .
M . testd ventricosd, subovatd, longitudinaliter s t r ia t i ; intus iridescente,
margine sinuoso, epidermide fu s e d ; lo n g .fg - , lat. i f f e r e ;
poll.
H a b ita t a d littora Bra silia ; (S an to s ). M u s . nost.
16. P e c t e n P a t a c h o n i c u s .
P . le s ti sub-cequivalvi, hrunned, longitudinaliter creberrime clcvalo-
r a d ia td ; intus albidd, longitudinaliter suh -ra d ia là ; long. 2| ;
lat. 2f ; poli.
Obs. aurihus incBqualihus.
H a b ita t in f r e to M a gellanico p assim . M tis. nost.
1 7 . P e c t e n v i t R e u s .
P . te s ti submqiiivalvi, translucente, h n g itu d in a lite r m u lti-sulcatd ;
sulcis convexis fa v id u l i s , valvd inferiore p a llid io r i; long, l / j - ;
lat. I J ; poli.
Obs. A u r ib u s incequalibus.
H a b ita t in f r e to Magellanico p assim . M u s . nost.
T h is shell is fo u n d a tta ch e d to th e le av es o f th e Fucus giganteus,
a n d , w ith o th e r Mollusca, is th e food o f th e S te am e r o r Rac e -h o rse
D u c k {Micropterus braehyptera an d M . Patachonica).
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