DECAPODS 175 
Genus Loxorhynchus Stimpson. 
LOXORHYNCHUS GRANDIS Stimpson. 
Distribution.— From the Farallones and San Francisco to San Diego, 
California; 614-68 fathoms. 
LOXORHYNCHUS CRISPATUS Stimpson. 
Distribution.—From the Farallones to San Diego, California; 4-53 
fathoms. 
Genus Scyra Dana. 
SCYRA ACUTIFRONS Dana. 
Distribution.—¥rom Kadiak, Alaska, to San Diego, California. Low 
tide to 40 fathoms. 
Genus Rhodia Bell. 
RHODIA PARVIFRONS (Randall). 
ferbstia parvifrons RANDALL, Jour. Acad. Nat. Sci. Phila., VIII, 107, 1839. 
— HOLMES, Occas. Papers Calif. Acad. Sci., VII, 38, 1900. 
flerbstia (Herbstiella) camptacantha HOLMES, of. cit., p. 37, and synonymy. 
Rhodia parvifrons RATHBUN, Amer. Nat., XXXIV, 511, 1900. 
Distribution.—From San Pedro, California, to Acapulco, Mexico; 
30-40 fathoms.} 
Family CANCRIDZ. 
Genus Cancer Linnzus. 
CANCER PRODUCTUS Randall. 
Harriman Expedition.—¥ox Island (T. Kincaid). 
Distribution.—From Kadiak, Alaska, to Magdalena Bay, Lower Cali- 
fornia. 
CANCER AMPHICETUS Rathbun. 
Plate vi, fig. 3. 
Trichocarcinus dentatus M1ERS, Proc. Zool. Soc. London, 1879, p. 34; not 
Cancer dentatus BELL, 1835; nor C. dentatws HERBST, 1785. 
Cancer amphietus RATHBUN, Proc. U. S. Nat. Mus., XXI, 582, 1898. 
Distribution.—From San Diego Bay, California, to Magdalena Bay, 
Lower California; Japan; Korea; 1114-169 fathoms. 
Size.—Specimens from Magdalena Bay, in the Museum of Compara- 
1 Libinia emarginata Leach, included in Holmes’s list on the authority of Randall, I 
have omitted, because so many errors have been discovered in the localities cited by 
Randall that the existence of this species on the west coast of America needs verifica- 
tion. 
