OD} PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
SEMELE LENTICULARIS Sowerby. 
1832. Amphidesma lenticularis SOwERBY, Proc. Zool. Soc., p. 
200; Con. Ill., Amphidesma, fig. 9, 1833. Santa Elena, 
Guayaquil. 
SEMELE PALLIDA Sowerby. 
1832. Amphidesma pallidum SowERBy, Proc. Zool. Soc., p. 199; 
Con. Ill., Amphidesma, fig. 8, 1833. Salango, Ecuador. 
SEMELE PULCHRA Sowerby. 
1832. Amphidesma pulchrum SowERBY, Proc. Zool. Soc., p. 57; 
Con. Ill., Amphidesma, fig. 2, 1833. Bay of Caraques, Ke- 
uador. ee? 
SEMELE PURPURASCENS Sowerby. Peres 
1832. Amphidesma purpurascens Sowsuny Proc. Zool. Soe., p. %4 
199; Con. Ill., Amphidesma, fig. 5, 1833. Santa Elena, Bes 
of Guava: 
SEMELE ROSEA Sowerby. 
1832. Amphidesma roseum SowERBY, Proc. Zool. Soe., p. 199; 
Con. Ill., Amphidesma, fig. 1, 1833. Tumbes, Peru. 
SEMELE RUPIUM Sowerby. 
1832. Amphidesma rupium SowErsy, Proc. Zool. Soc., p. 199; 
Con. Ill., Amphidesma, fig. 11, 1833. California, -south to 
Guayaquil and the Galapagos Islands. 
SEMELE SOLIDA Gray. 
1828. Amphidesma solidum GRay, Spicil. Zool., pl. 6, fig. 6.— 
Hupk, Hist. de Chile, Mol., pl. 7, fig. 1. Callao, Peru, south 
to “thes Chonos peohipeiae: Tike ries 
SEMELE VARIEGATA Lamarck. | = ype Ord 
1818. Amphidesma eee TNE fon. s. Vert., vol. 5, 
p. 490; Encycl. Méth., pl. 291, fig. 2 Ries, Hist. de Chile, 
vol. 8, Me Le “il 7, fig, 2, 1854. ob eru and Chile. 
S. jrcyeoma C jie gactes , Pore, OfL 
oe CUMINGIA Sowerby. 
CUMINGIA LAMELLOSA Sowerby. 
1883. Proc. Zool. Soc., p. 34; Con. Icon., Cumingza, pl. 1, fig. 
5, 1878. Gulf of Panama to Paita, Peru, and to northern 
Chile. 
CUMINGIA MUTICA Sowerby. 
1833. Proc. Zool. Soe., p. 34; Con. Icon., Cuméngza, pl. 1, fig. 
8, 1873. Bay of Guayaquil to Paita, Peru, and south to 
Concepcion, Chile. 
Family PSAMMOBIID ZS. 
Genus PSAMMOBIA Lamarck. 
PSAMMOBIA LATA Deshayes. 
1854. Proe. Zool. Soc., p. 318.—REEvE, Con. Icon., Psammobia, 
pl. 1, fig. 7, 1857. Bay of Guayaquil. 
Jog ebus (Meseplo.ia) Yielacecces pr / FSF Lee c 
