BIVALVIA. 
Moll 97 
[?], p. 267, pi. xliii, fig. 6, ohlonga^ sp. n., p. 267, pi. xlvi. fig. 18, localities 
of all unknown. 
Sphcarium corneum (L.), ovale (Fer.) = draparnaldi (Cless.), and 
mamillanum (Westerl.), Silesia; Jordan, JB. mal. Ges. vi. pp. 309-311, 
pi. viii. figs. 6-7. 
Spharium wildi, sp. n., Olessin, Mal. Bl. (2) i. p. 6, pi. i. fig. 4, Euboea. 
Sphcerium cequatoriale (Olessin, MS.), sp. n., Miller, Mal. Bl. (2) i. 
p. 176, pi. xi. figs. 4-6, Rio Pedro, Ecuador. 
Cyclas tasmanica, sp. n., Woods, P. R. Soc. Tasm. 1875, p. 82, & 
Petterd, J. of Conch, ii. p. 87, Tasmania. 
CalycuUna. 13 species described and figured by Olessin, in Kiister’s 
Conch. Cab. part 283, pp. 263-266, including G. tasnianioi, sp. n., p. 261, 
pi. xli. figs. 1 & 2, Tasmania. 
CalycuUna lacustris (Mull.) var. steini (A. Schmidt); Jordan, JB. mal. 
Ges. vi. p. 311, pi. viii. fig. 8, Gorlitz. 
Limosina: 11 species described and figured, and 1 more mentioned, by 
Olessin, I c. pp. 245-252, pi. xlvi. 
Pisidium ahditum,\z.v.\\. abyssorum (Stimpson, MS.), B. Walker, J. of 
Conch, ii. p. 337, Lake Michigan and Superior, in the last at the depth of 
159 fath. 
Pisidium tasmanicum and dulvertonis [1], spp. nn., Woods, P. R. Soc. 
Tasm. 1875 [1876], pp. 81 & 12, and Petterd, J. of Conch, ii. p. 87, Tas- 
mania. 
Pisidium wolfi (Clessin), sp. n.. Miller, Mal. Bl. (2) i. p. 178, pi. xi. 
figs. 7-9, Rio Pedro, Ecuador. Also in Clessin’s monograph, Kiister’s 
Conch. Cab. pt. 283, p. 268, pi. xlii. figs. 6 & 7. 
Pisidium alienum, sp. n., Clessin, 1. c. p. 269, pi. xli. figs. 3-5, locality 
unknown. 
Cardiid^. 
Lcevicardium hechei (Adams & Reeve) occurs from the Corean Archi- 
pelago to N.E. Australia and New Caledonia ; Brazier, P. Linn. Soc. 
N. S. W. i. [1876] p. 306. 
Opisocardium, substituted for Lunulicardium (Gray, 1847), type 
Cardium retusum (L.), nec Lunulicardium (Munster, 1840) ; E. Bayle, J. 
de Conch, xxvii. p. 35. 
Tridacnid.®. 
Tridacna elongata (Lam.). On its variability in shape ; T. elongatissima 
(Bianconi) is not sufficiently distinct from it : Martens, MB. Ak. Berl. 
1879, p. 743. 
Lucinidji. 
Axinus sarsi (Philippi) = fiexuosus (Mont.), var. ; Norman, J . of Conch, 
ii. p. 43. 
Diplodonta lateralis (E. A. Smith, 1876) ; E. A. Smith, Phil. Tr. clxviii. 
p. 482, pi. li. fig. 7, Rodriguez Island. 
