MOLLUSC A. 
549 
Trochid^. 
Phasianella capensis (Dunker) and Ph. elongata (Krauss) are said to have 
been found at Hakodate. Schrenck, 1. c. p. 3G6. [Rather improbable.] 
JEufropia {Tricolia) rosea and spp. nn., Angas, Proc. Zool. Soc. ppi 
114, 116, pi. 13. figs. 24 & 25, Port Jackson. 
Alcyna rubra (Pease, Proc. Zool. Soc. 1860) = Collonia variahilis (Pease, 
ibid.). Am. Journ. Conch, iii. p. 234. 
Turbo sangarensts=s T. pumilio, Schrenck, pp. 363-366, pi. 16. figs. 6-11. 
Turbo gaillardi, sp. n., Folin, M^l^agrinicoles, p. 62, pi. 6. figs. 9& 10, on 
pearl-oysters from Panama. 
Leptonyx bacula^ sp. n., Carpenter, Proc. Cal. Ac. Nat. Sc. iii. 1866, p. 177, 
California. 
Liotia seiniclathratulaj Schrenck, 1. c. p. 370, pi. 16. figs. 16-25, Straits of 
Sangar, near Yesso. 
Homalogyra {3e^x.')=iAmmonicerina (Costa). Without tentacles ; eyes ses- 
sile, placed behind the head : a legitimate diminutive descendant of the 
ancient genus EuomphalusP Two British species ; atomus (Phil, as Trun- 
catella)=initidissima (Forb. & Hanley as SJcenea), and rota (Forb. & Hanl., 
also as SIccnea). Jeffreys, Brit. Conch, iv. p. 67, 73. [Jeffreys places this 
genus with Skenea in a family, Skeneidcs j but the position of the eyes resem- 
bles that in Jeffreysta, and the shell that of Cyclostrema.'] 
[^Potella] Globulus costatus (Val.) and Gl. giganteus (Less.) = aucta 
(Sow.), from Hakodate, Schrenck, 1. c. pp. 367-369. The same two species 
are indicated from the Bay of Yedo by Lischke, Mal.Blatt. xiv. p. 172.— i2o^. 
gigantea at Yokohama, in shops. Martens, Preuss. Exp. i. p. 140. 
Ethalia supramllata^ sp. n., and var. invallataj Carpenter, Proc. Calif. 
Acad. Nat. Sc. 1866, p. 216, San Diego, Calif. 
Leucorhynchiay g. n., Crosse, Journ. Conch, xv. p. 319. Testa perforata, 
polita, anfractus pauci; apertura rotundata, hand margaritacea ; margo 
basalis una cum columellari rostrum validum callosum supra perforationem 
emittens. Operculum rotundatum, corneum, multispirum, nucleo central!. 
One species, L. caledonica, sp. n., Crosse, pi, 11. fig. 4, New Caledonia. 
Troclius niloticus (L.) and T. maximus (Koch)=marwiom^MS of Kiener, not 
Chemnitz, = niloticus of Reeve fig. 3, are compared, and an account of their deve- 
lopment and synonymy given, by Martens, Ann. & Mag. N.H. Aug. 1867, p. 97. 
T'rocJius exilis, conoidalis,md marmoreus, spp. nn.. Pease, Am. Journ. Conch, 
iii. pp. 286, 287, pi. 24. figs. 7, 8, 9, Paumotus. 
Trochus argyrostomus (Gmel.) is found at Hakodate and in the Korea in 
two forms, a more elevated and a more depressed. — Tr. rmticus (Gmel.) 
Hakodate and Korea. — Tr. nordmanii (Schrenck), pi. 16. figs. 1, 2, Hakodate. 
— Tr. subfuscescens (Schrenck), pi. 15. figs. 3-10, Hakodate. — Tr. zonatus 
(Wood) and cicer (Menke), found at Hakodate [?]. — Tr.jessoensis (Schrenck), 
pi. 16. figs. 11-18 ; iridcscens (Schrenck), pi. 16. figs. 19-24; globularius 
(Schrenck), pi. 16. figs. 1-4 ; adamsianus (Schrenck), pi. 16. fig. 6; labio (L.), 
and neritoidcs (Phil.) : all from Hakodate. Schrenck, 1. c. pp. 346-362. — 
Ti\ labioy argyrostomuSf hnA\carpenteri (Dunker), Bay of Yedo. Lischke, Mai. 
Bliitt. xiv.p. 172. — Tr. rusticus, Yokohama. Martens, Preuss. Expd. i.p. 138, 
Euchelus angidatus, sp. n., Pease, Am. Journ. Conch, iii. p. 283, pi. 23. 
fig. 37, Annaa Island. 
Calliostoma supragranqsum, sp. n., Carpenter, Proc. Calif. Acad. Nat. Sc. 
1867, [voL. iv.] 2 o 
