114 RATHBUN 



Bodega Bay, California (University of California). 



San Francisco Bay, California (W. H. Dall ; Livingston Stone). 



San Francisco Bay, off San Mateo, 3 fathoms, dredged {Albatross). 



San Francisco Bay, on South Belmont oyster beds, seine [Albatross). 



San Francisco Bay, in San Pablo Bay, in Chinese shrimp nets [Albatross). 



San Francisco Bay, off San Bruno Point, in Chinese shrimp nets [Al- 

 batross). 



San Francisco market (R. E. C. Stearns). 



Monterey (D. S. Jordan). 



Catalina Island [Albatross). 



San Diego (H. Hemphill; D. S. Jordan; Albatross). 



San Diego Bay, 5^-12 fathoms [Albatross stations 3574, 3581, 3582, 

 3621). 



Station 3674 of Albatross (locality not given), 31 fathoms. 



San Geronimo Island, Lower California, 7 fathoms (A. W. Anthony). 



Mogi, Japan (Dr. F. C. Dale, U. S. S. Palos, June 18, 1881) ; one speci- 

 men without chelipeds, which otherwise corresponds closely with the 

 American form ; probably, however, distinct from C. affinis De Haan 

 and C. propinquus Stimpson. 



Monterey (Owen, as C. vulgaris). 



CRANGON NIGROMACULATA Lockington. 



3 Distribution. — From northern Cahfornia to Lower 

 CaHfornia, 2>~32> fathoms. 



Specimens in the National Museum range from Gulf of 



Fig. si. Crangon . _,,.^. , , , 



nigroittacuiata. Chela the Farallones to San Diego, California ; also found at 

 3132. ^ ' Turtle Bay, Lower California. 



CRANGON ALASKENSIS Lockington. 



Crangon alaskcnsis Lockington, Proc. Calif. Acad. Sci., vir, 34 [7], 1876 

 (1877). Mutiny Bay, Alaska. 



Differs from C. nigricauda as follows : The antennal scale is a little 

 longer and much narrower distally ; the end of the blade is rounded and 

 not produced at the antero-internal angle ; the spine is 

 much longer, extending considerably beyond the blade. 

 The first pair of feet are shorter, reaching 

 only to the middle of the terminal segment 

 of the maxillipeds; the hands are more 



Fig. 52. Cran- ... , 



gnn alaskcnsis. slcndcr and elongate, being rrom two and a 



Chela of S(X 3J)- , ,^ , . , -j i • F'G. 53. Crangon 



Station 3652. half to three times as long as wide; their <i/<?.f;ivf«;".r.?. station 



3243. a. Dorsal view 



distal margin is more oblique, forming an angle of about of rostral region (x 

 forty-five degrees with the lengthwise margins. 



Dimensions.— 'Ltn^ih. of large egg-bearing female from Kulukak Bay, 



