BIVALVIA. 
Moll 99 
Drouet, J. de Conch, xxvii. pp. 140-142. U, lusitaniis^ Guadiana, kleciaki, 
and ceratinus, Dalmatia, ionicus (Blanc, MS.), Santa Maura, Ionian 
Islands, spp. nn., id. 1. c. pp. 327-329. 
Unio hyzantinus (Parr.), lusitanus (Drouet), and elongatulus (Miihlf.), 
figured by Kobelt, Iconogr. vii. pi. cxciii. figs. 1954-1967. 
Uhio hayon[n\ensis, sp. n., Folin & Berillon, Etudes malacolog. p. 29, . 
pi. i. figs. 1-9, Drouet, J. de Conch, xxvii. p. 332, Lac de N^gresse, near 
Bayonne. 
Unio corrosus (Yillsi) = elongatulus (Muhlf.), var. ; molteni (Adami) 
probably = gargoUce (Philippi), var. ; hatidini (Kiister) = capigliolo 
(Payr.), var. ; turtoni (Payraudeau) found also on the mainland of Italy : 
Mme. Paulucci, Bull. Soc. mal. Ital. v. pp. 107-111. 
Unio cumensisy sp. n., Kobelt, Iconogr. vii. pi. cxcii. figs. 1952 & 1953, 
Cumge, Italy. 
Unio ^?e.sco^■ (Boiirg.), var. n. conemenosi, Epirus, desectus (Drouet, MS.), 
Peneus river, near Volo, and vicarius, Sperchios river, spp. nn., Wester- 
lund, Faun. Mal. de Gri^ce, pp. 145-147. 
Unio schlegeli and oxyrrhynchus (Martens, 18G0), Japan, Martens, 
Novitat. Conch, v. pp. 192 & 193, pis. clviii. & clix. figs. 4-6, pi. clvii. 
figs. 4-G, and Kobelt, Faun. Jap. pp. 13G & 137, pi. xiv. pi. xiii. figs. 3& 4, 
Japan. U nipjmiensis (Martens, 1877), japanensis (Lea), reinianus, 
hiwm, and brandti, spp. nn., Kobelt, 1. c. pp. 138-142, pi. xii. figs. 1-3, 
pi. xxiii. figs. 1-6, all from Japan. 
Unio suhrostratus (Say) = nashvillensis (Lea) = mississippiensis 
(Conrad) ; Dali, Am. Nat. xiii. p. 392, 
Margaritana dahnrica (Middend.), Kobelt, Faun. Jap. p. 143, pi. xiii, 
figs. 1 & 2, Doyimagawa river, J apan. 
Margaritana dehiscens (Say). On its generic position; Weatherby, 
Am. Nat. xii. [1878J p. 254. 
Microcondylus (Vest, 1866). Characters of the genus; type honellii 
(F(5r.), Carniolia, also M. rnoreleti, Piacenza and Parma, squamosus and 
gibhosus, Milan, and crassulus, Castelgioffredo, Upper Italy, spp. nn., 
Drouet, J. de Conch, xxvii. pp. 137-140. 
\_Cristaria'] Dqysas plicatus\^-a (Lea) =. Anodonta Jierculea (Middend.); 
Heude, Conchyl. fluv. d. Nanking, fasc. v. pi. 33, all the great lakes and 
rivers of the middle and lower basis of the Yangtse-kiang. Dipsas pli- 
cata (Solander), var. clessini japonica [= spatiosa (Clessin)], Japan, 
Kobelt, Faun. Jap. pp. 145-147, pis. xvi. & xvii. pi. xviii. fig. 1. 
Anodonta gravida^ sp. n., Drouet, J. de Conch, xxvii. p. 142, Lake 
Copais, Greece. A.falcata, river Dnieper, near Wordkodnieprowsk, and 
cymbalica^ Lake of Scutari, spp. nn., id. I c. pp. 332 & 333. 
Anodon euscapTiys\jplius\ tumida, subtetragonea, lineata, pumila^ irregu- 
laris., melanochlorea, agricolarum^ and mingorum, spp, nn.. Middle China 
(well figured, but insufficiently characterized) ; Heude, Conchyl. Fluv. d. 
Nanking, pis. xxxv.-xl. 
Anodonta woodiana (Lea), Iceta (Martens, 1877), calipygos [better 
callipyge], sp. n.,japonica (Martens), and cellensis (Gmel.) ?, juv., Kobelt, 
Faun. Jap. pp. 149-153, pi. xix. fig. 1, pi. xx. fig. 1, pi. xxi. fig. 1, pi. xxii, 
figs. 4 & 5, all from Japan. 
