946 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
ISCHNOCHITON VARIANS Plate. 
1899. Fauna Chilensis, p. 113, fig. Tumbes, Chile, to Chiloé 
Island and Juan Fernandez. 
Genus CALLISTOCHITON Carpenter. 
CALLISTOCHITON ELENENSIS Sowerby. 
1832. Chiton elenensis SowERBY, Proc. Zool. Soc., p. 27; Con. 
ll., Chiton, fig. 69, 1840. Panama to Santa Elena, Ecuador. 
CALLISTOCHITON INFORTUNATUS Pilsbry. 
1892: Man. Con., vol, 14, p. 266) pl. 59. 37-42. Gulf of 
California to Ecuador. 
CALLISTOCHITON PULCHELLUS Gray. 
1828. Chiton pulchellus GRay, Spicil. Zool., vol. 1, pt. 1, p. 6, 
pl. 3, fig. 9 (not of OrBieny). Islay, Peru, to Arica, Chile. 
CALLISTOCHITON VIVIPARUS Plate. 
1899. Fauna Chilensis, p. 154, pl. 9, figs. 267-281. Near 
Coquimbo, Chile. 
Family MOPALIID. 
Genus PLACIPHORELLA Carpenter. 
PLACIPHORELLA BLAINVILLEI Broderip. 
1832. Chiton blainvillec Broprerip, Proc. Zool. Soc., p. 27; 
Con. Ill., Cheton, fig. 6, 1833. Galapagos, Cocos, and Lobos 
islands. 
Genus PLAXIPHORA Gray. 
PLAXIPHORA SBIGER ves. FREMBLII Broderip. 
1832. Chiton frembliz BropvErtp, Proc. Zool. Soc., p. 28; Con. 
ll., Chiton, fig. 4, 1833. Valparaiso, Chile. 
PLAXIPHORA FERNANDEZI Thiele. 
1909. Zoologica, vol. 22, p. 22, pl. 3, figs. 1-8. Juan Fernandez 
Island. 
Family ACANTHOCHITID. 
Genus ACANTHOCHITES Risso. 
ACANTHOCHITES HIRUDINIFORMIS Sowerby. 
1832. Chiton hirudiniformis SOWERBY, Proc. Zool. Soc., p. 59; 
Con. Ill., Chiton, figs. 23, 142. Paita to Islay, Peru, and 
the Galapagos Islands. 
Superfamily TELEOPLACOPHORA. 
Family CHITONIDZ. 
Genus CHITON Linneeus. 
CHITON BRODERIPI Potiez and Michaud. 
1838. Galérie de Douai, vol. 1, p. 533 (unfigured, relations 
unknown). Chile. 
