244 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Genus PUNCTURELLA Lowe. 

 PUNCTURELLA FALKLANDICA A. Adams. 



1862. Cemoria falllandica Adainis, Thes. Con., Fissnrellida'^ p. 

 208, pi. 245, fij?. 14. Falkland Islands, Patagonia, and 

 southern Chile. 



Family STOMATELLIDJC. 



Genus GENA Gray. 

 GENA, species. 



1900. '"'■Gena planulata Lamarck" T. v. Bayern, Nachrbl. Mai. 

 Ges., vol. 32, p. 53. Antofagasta, Chile. 



Subclass ISOPLEURA. 

 Order POLYF'LACOF'HORA. 



Superfamily MESOPLACOPHORA. 

 Family ISCHNOCHITONID^. 



Genus TONICELLA Carpenter. 

 TONICELLA (MOPALIELLA) STIGMATA Dall, new name. 



1909. Chiton hipimctatu.s Sowerby, Proc. Zool. Soc. , 1832, p. 104; 

 Con. 111., Chiton, fig. 27, 1833; not of G. Fischer, Tabl. Syn. 

 Zoog. p. 11, 1808. Lobos Islands, Peru. 



Genus CH^^TOPLEURA Shuttle^^^orth. 



CHJETOPLEURA BENEVENTEI Plate. 



1899. Zool. Jahrb., Suppl. Bd. 4, p. 194, pi. 2, fig. 143, pi. 11, 

 fig. 305-30G. Tumbes; Iquique, Chile. 



CH^ETOPLEURA FERNANDENSIS Plate. 



1899. Zool. Jahrb., Suppl. Bd. 4, p. 197, fig. Juan Fernandez 

 Island. 



CH^TOPLEURA HENNAHI Gray. 



1828. Chiton Jiennahi Gray, Spicil. Zool., p. 6, no. 11. — Sow- 

 erby, Con. 111., Chiton^ figs. 1, 33, 1833. Callao, Peru, 5-7 

 fathoms. 



CHiETOPLEURA LURIDA Sowerby. 



1832. CJtiton luridus Sowerby, Proc. Zool. Soc, p. 26; Con. 

 111., Chiton, fig. 20, 1833. Gulf of California, and south- 

 ward to Islay, Peru. 



CH^TOPLEURA PERUVIANA Lamarck. 



1819. Chiton peruvianas Lamarck, An. s. Vert., vol. 6, pt. 1, 

 p. 321; Encycl. Meth., pi. 163, figs. 7, 8.— Sowerby, Con. 111., 

 Chiton^ fig. 44. Tumbes, Peru, to Valparaiso, Chile. 



