MOLLUSCAi 639 
Ntso, An account of this genus is given by Sowerby in Reeve’s Oonchol 
Ic. parts 250 & 267 j N. sandvichensis, sp. n., Sandwich Islands* 
Mucronalia gracilis^ sp. n.^ Pease^ Am* Journ. Oonch. iii. p. 294, pi. 24. 
fig. 27, Tahiti. 
StILIFE 
Stilifer. A general account of the genus, and a detailed description of the 
British St. turtoni (Brod.), which is found attached to several species of 
Echinus, is given in Jeffreys’s Brit. Oonch. iv. pp. 189-200. 
Stilifer deformis^ sp. n., Pease, Am. J oittn. Oonch. iii. p. 293, pi. 24. fig. 23, 
Paumotu. 
Styliferina iurnta, sp. n., Oarpenter, Proc. Oalif. Acad. Nat. Sc* 1866, 
p. 219, San Pedro, Oalifornia. 
Rostrifera [T(Bnioglossa) , 
STROMBIDiE. 
StYoinhusjapdnicm (Reeve), Gulf of Tattary. Schrenck, 1. c. p. 464. 
Pterotera hryonia (Gmel.), Hakodate. Schrenck, I c. p. 463. 
OVULID.®. 
Ovula patula (Penn.), Jeffreys, Brit. Oonch. iv. p. 407. 
Trichotropid^e. 
Trichotropis borealis, described and figured in Jeffreys’s Brit. Oonch* iv. 
p. 246, pi. 4. fig. 2. 
Torellia, gen. nov., Lov^n, MS. Shell globose, covered with a Velvety 
epidermis ; spire very short, apex depressed ; mouth roundish, furnished with 
a blunt tubercle on the pillar at its base j groove internal, scarcely per- 
ceptible ; operculum horny j lingual dentition like that of Capulus. T. ves- 
tita {fe,Wv.') — Recluzia aperta (Jeffr. Ann. & Mag. Nat. Hist. 3rd series, 
vol. iii.), east coast of Shetland and coast of Norway. Jeffreys, Brit. Oonch. 
iv. p. 244, pi. 4. fig. 1. 
ApORRHAIDiE. 
Aporrhais macandrece, sp. n., Jeffreys, Brit. Oonch. iv. p. 2B^-=pe8-carhonis 
of Forbes and Hanley, not of Brongniart, which is an Upper-Miocene fossil, 
Shetland Islands and Norway. 
Cerithiid.®* 
Cerithium gihherosum (Dimker), Reis. Novar. Moll. pi. 1. fig. 7. 
Cerithium moreleti, kanoni, and destrugesi, spp. nn., Folin, Mel^agrinicoles, 
pp. 68-71, pi. 6. figs. 10-12, on pearl-oysters from Panama. 
Colina pygmaea, sp. n., H. Adams, Proc. Zool. Soc. p. 308, pi. 19. fig. 19, 
Borneo. C. gracilis (H. Adams) is recognized by the author as identical 
with Cerithium (Colina) coarctatum, published in the same year (1866) by 
Sowerby. 
Triphoris cucullatus, sp. n., Folin, M^l^agrinicoles, p. 72, pi. 6. fig. 13, on 
pearl-oysters from Panama. 
