1286. 
1287. 
1288. 
1289. 
1290. 
ON, 
1292, 
LIST OR. SER CrES 347 
L. crenulata, Sby., Nautilus XV, p. 71. 
Genus, Lucapinella, iE ilsbry 
L. callomarginata, Cpr., Arnold, p. 340; 
Nautilus IV, p. 96. 
Genus, Megatebennus, Pilsbry 
M. bimaculatus, Dall, Arnold, p. 339. 
Order, ponyPLacoPHORA 
Super-family, EOPLACOPHORA 
Family, LEPIDOPLEURIDAE 
Genus, Lepidopleurus, Risso 
L. ambustus, Dall, Santa Barbara (dredged). 
L. cancellatus, Sby., Arctic Sea to Sitka. 
L. internexus, Cpr., Santa Barbara, ete. 
L. nexus, Cpr., Catalina Is. 
L. rugatus, Cpr., Monterey southward. 
L. (Oldroydia) percrassus, Dall, 8. Cal. 
Super-family, mESOPLACHOPHORA 
Family, IsCHNOCHITONIDAE 
Sub-family, 1scHNOCHITONINAE 
Genus, ‘onicetla, Carpenter 
T marmorea, Fabr., Aleutian Islands. 
T. submarmorea, Midd., Japan; Aleutian 
Ts. to Sts. Fuca. 
T. lineata, Wood, Bering Sts. to Monterey. 
T. saccharina, Dall, Aleutian and Shuma- 
gin Is. 
T. sitkensis, Dall, Sitka. 
Genus, schizoplaz, Dall 
S. brandti, Midd., Okhotsk Sea, Sitka. 
Genus, frachydermon, Carpenter 
