BIVALVIA. 
Moll . 91 
Isocardia cor (L.). Jeffreys maintains that Kelliella ahyssicola (Sars) 
and Venus miliaris (Phil.) are its fry ; P. Z. S. 1881, p. 710. 
Pectinidjc. 
Pecten lucidus^ sp. n. [? Jeifr.], Haren-Noman, Niederl. Arch.' Zool. 
Suppl. 1, Barents Sea. 
Pecten pycnolepiSy sp. n., East coast of Patagonia, 67 fath., and da- 
thratus, sp. n., near Kerguelen ; Martens, SB. nat. Fr. 1881, pp. 78 & 79. 
Pecten sp., near opercularis; Verrill, P. U. S. Nat. Mus. hi. p. 403, 
N.E. Coast of America. 
Amussium. Critical note on some European species by Jeffreys, 1. c. 
pp. 949 & 950. 
Amussium lucidum (Jeffr.), Florida, Havana, and Yucatan Strait, 
13-804 fath. ; Dali, Bull. Mus. C. Z. ix. p. 117. 
Lima elliptica (Jeffr.). Anatomical notes on its tentacles by Haren- 
Noman, Niederl. Arch. Zool. Suppl. 1 ; abstract, J. R. Micr. Soc. (2) i. 
p. 432. 
Unionid;e. 
Adult specimens of Unio tumidus and crassus (Retz) with well pre- 
served tubercles on the summits ; Martens, SB. nat. Fr. 1881, p. 94. 
Unio bardus (Bourg., MS.), duhreuili, and halatonicus^ spp. nn., Servain, 
Hist. mal. Balaton, pp. 98-103, Lake Balaton, Hungary. 
Unio tumidus var. n. falcatulus, Kharkov, U. stevenianus (Kryn., name 
only), Crimea and Transcaucasia, stepanoffi, Crimea, mingrelicus^ sieversi, 
raddii, colchicus^ all four from Mingrelia, and araxenus, river Araxes, 
spp. nn. ; Drouet, Unionid. Russ. pp. 9-18. 
Unio batavus (Lam.) var. mingrelica (Drouet), Bottger, JB. mal. Ges. 
viii. p. 256, pi. ix. fig. 24, Transcaucasia. 
Unio desectus^ sp. n., Peneus River, Thessalia, decipiens^ sp. n.. Lake of 
Scutari, stevenianus (Krynicki, ined.), Crimea and Transcaucasia, gar- 
gottm and aradcc (Phil.), Sicily, heldii (Kuster), Bavaria, Podolia, and 
river Saone, in France, squamosus (Charp.), Switzerland, Bavaria, and 
Albania, described by Drouet, J. de Conch, xxix. pp. 22-27. 
Unio gaudronif {Bellegrade, near Constantinople, succineus^ Dalmatia, 
croaticus, Korana River, Croatia, brachyrrliynchuSy Mincio River and 
Lake of Garda, neocomensis, Lake of Neuchatel, spp. nn., and pruinosus 
(Schmidt, 1840), France and Carniolia, id. 1. c. pp. 244-248. 
Unio luteolus (Lam.), several forms, found near Muscatine, in the Mis- 
sissippi, are distinguished ; U. siliquoideus and ventricosus (Barnes) belong 
to them : Witter, J. of Conch, iii. pp. 173-175. 
Unio budcleyi and buddianns (Lea) united into one species, U. blan- 
dingianus (Lea) nearly allied, their distribution in Florida; Calkins, 
Valley Nat. ii. Sept. 1880. 
Unio bolli^ sp. n., R. E. Call, Am. Nat. xv. p. 290 , Colorado River, 
Texas. Near U. quadrans (Lea). 
Unio leai (Gray) var. n. cinnamomeuSy Gredler, JB. mal. Ges. viii. 
p. 122, Hu chen-fu, China. 
