96 Moll. 
MOIXUSCA. 
Macoma galatea (Lam., as Tellina)y locality unknown ; Bertin, 1. c. 
p. 344 pi. viii. fig. 7. 
Macoma pneudocandiday new name for T. Candida, Romer, nee Lam. ; 
id. 1. c. p. 343. 
PAPiniDiEl. 
Mesodesma auckUmdicum, sp. n., Martens, SB. nat. Fr. 1879, p. 37, 
Auckland Islands. 
Scrohicularia piperata (Gm.) formerly living in company with Limncea, 
Physa, and Planorhis, in the lake of Ossegor, near Cape Breton ; Folin, 
Faune Lacustre d’Ossegor, p. 6. 
Leptomya gravida, sp. n., Hanley, J. L. S. xiv. p. 580, allied to L. 
cochlearis (Hinds, as Necera), = Scrohicularia adiinca (Gould), locality 
unknown. 
Mactridau. 
Mactra. Weinkauff begins a monograph of this genus, describing 5 
known species, and figuring 4 of them, in Kuster’s Conch. Cab. pt, 279, 
pp. 1-8, pis. i. & vi. 
Mactra dissimilis var. n. ochracea, Martens, MB. Ak. Berl. 1879, p. 744, 
Inhambane, coast of Mozambique. 
Venerid^. 
Cytherea rudis var. mediterranea (Tiberi), dwarf white var. 5-7 mm. in 
length, Marseilles, 105-108 metres, Marion, Am. Sci. Nat. (6) viii. art. 7, 
p- 11- 
Tivela hartvigi, sp. u.. Bunker, J. de Conch, xxvii. p. 216, pi. ix. fig. 4, 
Cape of Good Hope. 
Venus ovata (Penn), on muddy gravel, 45-105 metres, and in the Port 
of La Joliette, only 8-10 metres, at Marseilles ; Marion, Z. c. p. 11. 
Venus {Chione) macleayana, sp. n., J. E, T. Woods, P. R. Soc. Tasm. 
1878 [1879], p. 38, Bass’s Straits. 
Rupellaria amplectens, sp. n., Tapparone-Canefri, Ann. Mus. Genov, 
viii. p. 1032, Aru Islands. 
Cyrenidx. 
Cyrena. 5 known species figured, 33 more only mentioned by S. 
Clessin, in Kiister’s Conch. Cab. part 283, pp. 227-244, pis. xliv. & xlv. 
Batissa. Monograph by Clessin, 1. c. pp. 206-223. 32 species are 
described, 14 figured, including semperi and manilensis, spp. nn., pp. 214 
& 215, pi. xxxvii. figs. 1 & 2, Philippines [Reeve’s monograph is not even 
mentioned]. 
Velorita. The 2 known species described and figured by Clessin, 1. c. 
pp. 224 & 225, pi. xlii. figs. 3 & 4, pi. xxxvi. figs. 5 & 6. 
Corhicula. Clessin finishes his monograph, 1 . c. pp. 201-205. C. maxima 
(Prime, 1860), p. 201, pi. xlii. fig. 1, not before figured ; regia (Benson) 
