OCR Text |
Show 348 ON THE SHELLS OF PERAK. [June 2, Var. PERAKENSIS, de Morgan. Sermyla perakensis, de Morgan, Bull. p. 73, t. iv. fig. 14 = infracostata, Reeve, Conch. Ic. fig. 14 (non Mouss.), teste de Morgan. Kinta valley (de Morgan). "Sermyla " chaperi, de Morgan, 1. c. p. 72 (unfigured), is hardly more than a slight variation of M. episcopalis. The brown bands occur also in the type, and the second series of nodules in several varieties, e. g. var. menkeana, Lea, to which de Morgan's alleged new species belongs. Fam. UNIONIDCE. 94. ANODONTA CUMINGII, Lea. Kinta valley (de Morgan). Malacca, Java, Borneo, Siam, Cambodia. 95. ANODONTA CHAPERI, de Morgan. Anodonta chaperi, de Morgan, Bull. p. 75, t. v. figs. 1, 2. Kinta valley (de Morgan). 96. UNIO PERAKENSIS, de Morgan. Unio perakensis, de Morgan, Bull. p. 76, t. v. figs. 3, 4. Kinta valley (de Morgan). Fam. CYRENIDCE. 97. CORBICULA MALACCENSIS, Desll. Kinta valley (de Morgan). Malacca (Deshays). EXPLANATION OF PLATE XXX. Figs. 1, la. Ennea (Microstrophia) perakensis, p. 331. 2, 2 a. ( ) hungerfordiana, p. 331. 3. ( ) snbcylindrica, p. 331. 4-4 b. Bamprocystis malayana, p. 333. 5-5 b. conulina, p. 333. 6, fi a. Ch'oritis malayana, p. 335. 7, 7 a. Hypselostoma hungerfordianum, p. 337. 8-8 b. Alycceus diplochilus, p. 342. 9 9 6. olicjopleuris, p. 342. 10-10 b. microdiscus, p. 343. 11-11 b. parmdus, p. 343. 12-12 b. microconus. p. 343. 13. Biplommatina (Sinica) canaliculata, p. 343. 14. ( ) ventricidus, p. 343. 15. ( ) diminuta, p. 344. |