948 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
TONICIA CALBUCENSIS Plate. 
1897. Fauna Chilensis, p. 205, fig. Calbuco, Chile, S. lat. 41°. 
TONICIA CHILENSIS Frembly. 
1827. Chiton chilensis FRemBLy, Zod]. Journ., vol. 3, p. 204, 
suppl. pl. 17, fig. 8. Coquimbo, Tumbes, Valparaiso, Chile. 
TONICIA DISJUNCTA Frembly. 
1827. Chiton dosjunctus FremBuy, Zo6l. Journ., vol. 3, p. 203, 
suppl. pl. 17, fig. 5. Tumbes and Valparaiso, Chile. 
TONICIA ELEGANS Frembly. 
1827. Chiton elegans FremBxy, Zool. Journ., vol. 3, p. 203, suppl. 
pl. 17, fig. 6.—SowmrpBy, Con. Ill., Chcton, fig. 75, 1840. 
Callao, Peru, and south to Chiloé Island, Chile. 
TONICIA FONTAINEI Rochebrune. 
1882. Bull. Soc. Philom., Paris, p. 193. (Unfigured.) Chile. 
TONICIA GAUDICHAUDI Rochebrune. 
1883. Bull. Soc. Philom., Paris, p. 35. (Unfigured.) Chile. 
TONICIA GRANIFERA Sowerby. 
1832. Chiton graniferus SOwERBY, Proc. Zool. Soc., p. 104.— 
REEvE, Con. Icon., Chzton, pl. 15, fig. 86. Concepcion, 
Chile, 9 fathoms. 
TONICIA GRAYI Sowerby. 
1832. Chiton grayi-SowERBy, Proc. Zool. Soc., p. 57; Con. Ill., 
Chiton, figs. 8,16. Callao Bay, Peru. 
TONICIA LINEOLATA Frembly. 
1827. Chiton lineolatus FrRremMBuY, Zo6él. Journ., vol. 3, p. 204, 
suppl. pl. 17, fig. 7.—SowrErsy, Con.I ll., Chzton, fig. 154, 
1840. Valparaiso and Talcahuano Bay, Chile. 
TONICIA RUBIDENS Pilsbry. 
1892. Man. Con., vol. 14, p. 202, pl. 44, figs. 65-67. Callao, Peru, 
Chile (U. S. Expl. Exp.). 
TONICIA SWAINSONI Sowerby. ; 
1832. Chiton swainsont SowERBY, Proc. Zool. Soc., p. 27; Con. 
Ill., Chiton, fig. 5, 1833. Callao, Peru, to Iquique, Chile. 
4 
Genus ACANTHOPLEURA Guilding. 
ACANTHOPLEURA ECHINATA Barnes. 
1823. Chiton echinatus Barnes, Am. Journ. Sci., vol. 7, p. 71, 
pl. 3, figs. 4, 4a.—Sowxmrpy, Con. Ill., Cheton, fig. 47 (as C- 
spiniferus). Paita, Peru, and south to Valparaiso, Chile, and 
the Galapagos Islands. 
Genus ENOPLOCHITON Gray. 
ENOPLOCHITON NIGER Barnes. 
1823. Chiton niger Barnes, Am. Journ. Sci., vol. 7, p. 71, pl. 3, 
fig. 8. Mollendo, Peru, and south to Valparaiso. 
