1921] Schmitt: The Marine Decapod Crustacea of California 119 



where only the latter types of gear were used. The ranges of temper- 

 ature and salinity based on the survey observations which we are able 

 to record for Callianassa longimana are, respectively, 3.2° to 13.9° C. 

 and 18.3 to 31.7. 



Callianassa gigas Dana 



Callianassa gigas Dana, Proc. Acad. Nat Sei, Phila., 6, 19, 1852; Crust. 

 U. S. Expl. Exped., pt. 1, p. 512, 1852, pi. 32, fig. 3, 1855; Stimpson, 

 Jour. Boston Soc. Nat. Hist., 6, 489, pi. 21, fig. 3, 1857; Holmes, Occas. 

 Papers Calif. Acad. Sei., 7, 162, 1900 ; Eathbun, H. A. E., 10, 154, 1904. 



Fig. 80. Callianassa gigas, X % (after Dana). 



Characters. — Front with a sharp and prominent median tooth. Eye-stalks 

 with acute and divergent extremities; pigmented cornea behind the middle of 

 the stalk. Large cheliped of male with carpus a little longer than wide. 



Dimensions. — Of type: length 114 mm. 



Type Locality. — Puget Sound. 



Distribution. — Puget Sound (Dana, Caiman), Gulf of the Farallones, Califor- 

 nia, 21 fathoms ("Albatross" station 3150) (Eathbun). 



Remarks. — The larger hand of this species is remarkably short and stout 

 (Stimpson). 



Callianassa affinis Holmes 



Callianassa affinis Holmes, Occas. Papers Calif. Acad. Sei., 7, 162, pi. 2, 

 figs. 29-30, 1900; Eathbun, H. A. E., 10, 154, 1904. 



1=^ 



Fig. 81. Callianassa affinis, <$; a, small cheliped; b, large cheliped (after 

 Holmes). 



