DECArODS 175 



Genus Loxorhynchus Stimpson. 



LOXORHYNCHUS GRANDIS Stimpson. 



Distribution. — Yxom the Farallones and San Francisco to San Diego, 

 California; 6^^-68 fathoms. 



LOXORHYNCHUS CRISPATUS Stimpson. 



Distribution.— Yxom the Farallones to San Diego, California; 4-53 

 fathoms. 



Genus Scyra Dana. 



SCYRA ACUTIFRONS Dana. 



Distribution. — From Kadiak, Alaska, to San Diego, California. Low 

 tide to 40 fathoms. 



Genus Rhodia Bell. 



RHODIA PARVIFRONS (Randall). 



Herbstia parvifrons Randall, Jour. Acad. Nat. Sci. Phila., vill, 107, 1839. 



— Holmes, Occas. Papers Calif. Acad. Sci., vil, 38, 1900. 

 Herbstia (Hcrbstiella) camptacaiitha Holmes, op. cit., p. 37, and synonymy. 

 Rhodia parvifrons Rathbun, Amer. Nat., xxxiv, 511, 1900. 



Distribtttion. — Yxova San Pedro, California, to Acapulco, Mexico; 



30-40 fathoms.i 



Family CANCRID^. 



Genus Cancer Linnaeus. 



CANCER PRODUCTUS Randall. 



Harriman Expedition. — Y ox Island (T. Kincaid). 

 Distribution.— Ymm Kadiak, Alaska, to Magdalena Bay, Lower Cali- 

 fornia. 



CANCER AMPHICETUS Rathbun. 

 Plate VI, fig. 3. 



Trichocarcinus dentatus MiKRS, Troc. Zool. Soc. London, 1879, p. 34; not 



Cancer deutatus Belt., 1835; nor C. dentatus Herbst, 1785. 

 Cancer a7nphioetiis Rathbun, Proc. U. S. Nat. Mus., xxi, 582, 1898. 



Distribution. — Yxom San Diego Bay, California, to Magdalena Bay, 

 Lower California ; Japan; Korea; 1 1^-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. 



