934 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
CREPIDULA DILATATA Sowerby. 
1824. (C. dilatata (Lamarck Ms.) SowrErsy, Gen. Sh., Crepidula, 
fig. 5.—DELessERT, Rec. de Coq. pl. 24, fig. 4a-c. Cakfor- 
(Ponsa nie, and southward to Magellan straits. 
CREPIDULA DORSATA-Broderip. L210 ala LA /Bx6, 
nef 18384. Calyptrea dorsata BroprErip, Trans. Zoél. Soc. London, 
vol. 1, p. 202, pl. 28, fig. 10. California, south to Valparaiso, 
Chile. 
CREPIDULA EXCAVATA Broderip. 3 
1834. Trans. Zoél. Soc. London, vols 1; p2 2255 ple 29s eam 
Gulf of California and south to the Chilean coast. 
CREPIDULA INCURVA Broderip. 
1834. Proc. Zodl. Soc., p. 40; Trans. Zoél. Soc. London, vol. 1, 
pl. 29, fig. 6. Mazatlan, Mexico, to Paita, Peru. 
CREPIDULA ONYX Sowerby. 
1824. Gen. Shells, Crepzdula, fig. 2. San Pedro, California, 
south to Arica, Chile. 
CREPIDULA SQUAMA Broderip. 
1834. Proc. Zodl. Soc., p. 40; Trans. Zodl. Soc. London, vol. 1, 
p. 205, pl. 29, fig. 10, 1834. ixaits-of aes south to Pata- 
gonia. Te ae 
Family CAPULIDZ. 
Genus CAPULUS Montfort. 
CAPULUS UNGARICOIDES Orbigny. 
1841. Voy. Am. Mér., p. 457, pl. 78, fig. 4. Paita, Peru. 
Family HIPPONICID. 
Genus HIPPONIX Defrance. 
HIPPONIX ANTIQUATA Linneus. 
1767. Patella antiquata Linnzvus, Syst. Nat., 12th ed., p. 1259.— 
Sowersy, Thes., vol. 1, p. 369, pl. 73, figs. 18-20, 1847. Santa 
Barbara, California, and south to Peru and the Galapagos 
Islands. Also West Indies. 
HIPPONIX BARBATA Sowerby. 
1835. Proc. Zoél. Soc., p. 5; Thes. Con., vol. 1, p. 369, pl. 73, 
figs. 26-27, 1847. Mazatlan, Mexico, and south to Guayaquil 
and the Galapagos Islands. Also Indo-Pacific. 
HIPPONIX GRAYANA Menke. 
1853. Zeitschr. f. Mal., p. 115.—Tryon, Man., vol. 8, p. 135, 
pl. 40, figs. 4, 5, 1886. Mazatlan, Mexico, to Guayaquil and 
the Galapagos Islands.’ 
HIPPONIX SUBRUFA Lamarck. 
1819. Pileopsis subrufa Lamarcx, An. 8. Vert., vol. 6, pt. 2, p. 
16.—SoweErpy, Thes. Con., vol. 1, p. 370, pl. 73, figs. 21-23, 
1847. Panama and south to the Lobos Islands, Peru; Indo- 
Pacific. Also West Indies. 
