214 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



antero-lateral margin armed with 9 strongly produced, forward- 

 curving, sharp teeth, all except the first two tipped with a spine; 

 postero-lateral margin with a well marked tooth directed upward and 

 not laterally, and behind it an indistinct tooth or notch. Fronto- 

 orbital uddth one-third that of carapace; median tooth of front sub- 

 oblong, depressed; next pair small, triangular, subacute, and widely 

 separated from the broad orbital pair. Three superior orbital teeth, 

 of which the middle one is similar in shape to the outer one but less 

 advanced. Tooth of basal antennal article narrow, produced beyond 

 the front; adjacent tooth of suborbital margin small. Merus of 

 outer maxilhped truncate, anterior margin shorter than outer margin 

 and forming a slightly obtuse angle; inner angle slightly produced 

 inward in a blunt tooth. Chelipeds hairy; merus with two spines 

 above, distal and subdistal; carpus spinulous above, a spine at artic- 

 ulation with manus, a larger spine at inner angle with a small one 

 below it. Upper surface of hand with 2 rows of 3 to 5 spines each, 

 outer surface with 5 rows marked with hair and spinules; a spine at 

 articulation with carpus; upper margin of dactjdus spinous, outer 

 surface with 2 strong carinae the upper of which is spinous and between 

 them a tuberculated carina on proximal half only. Legs hairy; 

 dactyli longer than propodi, straight, tipped with nearly straight 

 corneous spines. Abdomen of male very long and narrow, especially 

 the terminal segment; sixth segment slightly wider than long. 



Color. — Whitish marked with irregular but symmetrically disposed 

 reddish blotches, tips of fingers of chelipeds black, ambulatory legs 

 light banded with red. (Weymouth.) 



Measurements. — Male holotype, length of carapace 32, width of 

 same 46.6, fronto-orbital width 17, width of front between antennae 

 5, width between tips of inner orbital teeth 9.4 mm. 



Range. — From Granite Cove, Port Althorp, Alaska, to Santa 

 Catalina Island, California. 



Material examined. — 



Granite Cove, Port Althorp, Cross Sound, Alaska; June 18, 1880; 

 Sylvanus Bailey; 1 male (12516), received through W. H. Dall. 



Ucluelet, west coast Vancouver Island, British Columbia; low tide 

 to deep water; Geological Survey of Canada; 1 male (40078). 



Off Cape Orford, Oregon; lat. 43° 01' 00" N., long. 124° 30' 30" 

 W.; 35 fathoms; crs. S. Sh.; temperature 46.7° F.; September 12, 

 1889; station 3094, Albatross; 1 young female (17419). • 



San Francisco, Calif.; 1880; D. S. Jordan; 1 male, holotype (3092). 



SE. of the Farallones, California; Farallones Light, N. 80K° W., 

 5.4 miles; 35-33 fathoms; sand; October 22, 1912; station D5790, 

 Albatross; 1 female, 2 young (52681). 



Seal Beach, Calif.; 3 fathoms; February 24, 1923; Univ. Southern 

 Cahfornia; 1 young (62466). 



