DECAPODS 153 
meret with a longitudinal 4- to 6-spined carina and a postero-lateral spine. 
Outer branch with a transverse row of small spines near the posterior 
end, and a few lateral marginal spinules also near the posterior end. 
Dimensions.— Male, length of carapace and rostrum, measured in the 
middle line, 28 mm., length of abdomen 41 mm. 
Distribution.—Southern California, 160-388 fathoms, at the following 
stations of the Albatross: 
Off Point Sur, 298 fathoms, station 3187. 
Off San Simeon Bay, 160 fathoms, station 3193. 
Off San Luis Obispo Bay, 252, 200 fathoms, stations 3195, 3196 (type lo- 
cality). 
Off Point Conception, 233-284 fathoms, stations 2891, 2892, 3198. 
Santa Barbara Channel, 205-280 fathoms, stations 2909, 3199-3201. 
Off Anacapa Island, 388 fathoms, station 2979. 
Allied to C. felix Alcock and Anderson, from which it is easily dis- 
tinguished by the more numerous spines of the carapace, the longer 
penultimate segment of the antennular peduncle, the squarer telson, etc. 
Family CAZLZJANASSIDA2. 
Genus Upogebia Leach. 
UPOGEBIA PUGETTENSIS (Dana). 
Harriman Expedition.—Cape Fox, Alaska (W. R. Coe). 
Distribution.—¥rom southeastern Alaska to San Quentin Bay, Lower 
California (Lockington). 
Localities worthy of note represented in the National Museum are: 
Southeastern Alaska: Kasaan Bay, Prince of Wales Island; Union Bay, 
Cleveland Peninsula; Thorn Arm. 
British Columbia: Nanaimo; Comox; Departure Bay; Sucia Island; 
Otter Bay, Pender Island. 
California: Mouth of Tia Juana River, San Diego County. 
Genus Callianassa Leach. 
KEY TO THE SPECIES OF CALLIANASSA. 
A. Front with median tooth either obscure or not prominent. Eyes 
pigmented. 
B. Eye-stalks with acute and divergent extremities. 
C. Median prominence of front rounded; cornea at middle of eye- 
stalk; large cheliped of male very broad, the carpus very 
little longer than broad, but considerably longer than palm, 
californiensis. 
C’, Median prominence of front subacute; cornea just behind 
