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, 28mm., 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, 205280 fathoms, stations 2909, 31993201. 

 Off Anacapa Island, 388 fathoms, station 2979. 



Allied to C. fdix 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 CALLIANASSID^E. 



Genus Upogebia Leach. 

 UPOGEBIA PUGETTENSIS (Dana). 



Harriman Expedition. Cape Fox, Alaska (W. R. Coe). 



Distribution. From 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 



