556 
ZOOLOGICAL LITERATURE. 
Haliotis gigantea (0hemn.)=^w6i/<?ra (Lam.). A variety of it is H. discus 
(Reeve), and the young H. kamtschatkana (Jonas) j fully described by 
Lischke, Moll. Jap. pp. 101-105. — H. gruneri (Phil.), also from Japan, ibid, 
p. 105. 
Haliotis hargravesif sp. n., Cox, Proc. Zool. Sob. 1869, p. 49, pi. 26. fig. 4, 
New South Wales. 
Haliotis (Padollus) hrazieri, sp. n., Angas, Proc. Zool. Soc. 1869, p. 45, 
pi. 2. fig. 1, New South Wales. 
Edriophthalma. 
Mssurella galeata (Helbling, 1779, as Patella)=.pileopsides (Reeve). Mar- 
tens, Mai. Blatt. xvi. p. 235. 
Emarginula. A new subgenus is Siphonella^ presenting, instead of the slit> 
a groove similar to that of Sipho?iaria. E. {Siphonella) arconatii, sp. n., Issel, 
Malac. mar. ross. p. 232, Gulf of Acaba. [This subgenus seems to be iden- 
tical with Suhemarginula (Blainv.).] 
CYCLOBRANCHIATA. 
TECTURIDiE. 
[Tectura] Acmcea testudinalis (Miill.), eonuhis (Bunker), and schrenckii 
(Lischke), fi-om Japan, described by Lischke, Moll. Jap. pp. 105-109 j the 
last figured on pi. 8. figs, 1-4. 
Lepetid^e. 
The characters of this family are, according to W. H. Ball, Am. Joum. 
Conch. V. pp. 140-150: — Branchiae nonej eyes none; rostrum provided 
with labial tentacles j dental formula I I’hachidian tooth rhomboidal, cus?- 
pidate, laterals slender, cuspidate : shell patelliform. The genera are the 
following ; — 
Lepeta, Gray, 18^7,= Crgptobranchia, Middendorff, pars,==JV-o;n7w/ii«wi, 
Gray, not Forbes & Hanley, =iWJmw 2 , Stimps., not Forbes & Ilanl., or 
Middend. 
Subgenus Lepeta, Ball ex Gray. Apex erect ; rhachidian tooth tricuspid, 
the middle cusp ” much larger j lateral teeth simply cuspidate. X. cceca 
(Miill., as Patella) = Candida (Couthouy, also as Patella), Norway, Fjnmark, 
Greenland, Nova Scotia, and Grand Menan, pi. 15. fig. 1 (dentition, young and 
adult shell). 
Subgenus Crxjptdbranchia, Ball ex Middend. Apex inclined anteriorly; 
rhachidian tooth with three nearly equal denticles ; uncini broadly hooked. 
O. concentrica (Midd., as variety of P. ccecd)-=.L. ccecoides (Cooper), Ochotsk 
Sea, Behring Sea, Unalaschka, Puget Sound, California, pi. 15. fig. 2 (den- 
tition and animal) ; Cv. alba, sp. n., pi. 15. fig. 3, Seniavine Strait and 
Plover Bay, East Siberia ; Cr. ? instabilis, sp. n., pi. 15. fig. 6, Sitka, shell 
only known. 
Pilidium (Forbes, 1849, not Middend.) = (Gray). P. fidvum (Miill.), 
pi. 15. fig. 4 (dentition and shell) ; Patella nibella (0. Fabr.) appears to bo a 
coarser and paler variety. 
Tectura (M.-Edw.) and Acmeea (Eachsch.) are identical ; Lottia (Sow.)== 
