91 
July 12, 1842. 
William Horton Lloyd, Esq., in the Chair. 
The following ‘‘ Descriptions of two new species of Oniscia, a 
genus of pectinibranchiate Mollusks,’’ communicated by Mr. Lovell 
Reeve, was read. 
Oniscra Dennisoni. Onisc. testa trigono-ovatd, decussatim costatd, 
costis tuberculo sqguamdve ad juncturas instructis ; anfractibus su- 
perne angulatis, superficie alba, fusco-maculosd, leviter striatd ; 
labro columellari rutilo, albo-granuloso, latissimé effuso ; labro ex- 
terno valde incrassato, interné denticulis albis irregulariter ornato. 
Reeve, Conch. Syst., vol. il. pl. 253. f. 5 and 6. 
Hab. ? 
Long. 2; lat. 14); poll. 
In dedicating this very chaste and beautiful shell to its fortunate 
possessor, J. Dennison, Esq., we memorize the name of a gentleman 
whose collection is perhaps unequalled in excellency and preserva- 
tion. The very rare and valuable specimen before us is closely allied 
to the Oniscia cancellata (Cassidaria cancellata, Lamarck), so much 
so indeed that we at first hesitated to consider it a distinct species ; 
the rich and rosy appearance of the columellar lip is, however, re- 
markable, and as this part of the shell exhibits its chief generic cha- 
racter, may not so decided a variation of it be considered of specific 
importance ? 
Onisc1a StRompBirormis. Onisc. testd trigono-pyriformi, albd, 
transversim irregulariter costatd et nodosd ; anfractibus superne 
angulatis, angulis valde nodosis ; labro columellari albo, granuloso, 
leviter effuso ; labro externo denticulato. 
Reeve, Conch. Syst., vol. ii. pl. 253. f. 1. 
Hab. ? Mus. Cuming. 
Long. 7; lat. J poll. 
An interesting small species, figured in ‘Conch. Syst.’ together 
with the former, and which appears to be very distinct from any 
hitherto described. 
A collection of skins, procured by the Honourable Charles Murray 
during his travels in North America, and presented to the Society 
by that gentleman, were exhibited. Among these was a curious 
yellow variety of the Grisly Bear,—Ursus feror, Lewis and Clark. 
A series of birds’ skins, being the remaining portion of the collec- 
tion presented by Walter Ewer, Esq., part of which was exhibited at 
the previous meeting, was laid on the table. These birds were col- 
lected in the north-western province of the Bengal presidency, in 
No. CXIV.—Procrepines oF THE ZooLocica Soctery. 
