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 (A/batross). 
San Francisco Bay, on South Belmont oyster beds, seine (A/batross). 
San Francisco Bay, in San Pablo Bay, in Chinese shrimp nets (A/batross). 
San Francisco Bay, off San Bruno Point, in Chinese shrimp nets (4/- 
batross). 
San Francisco market (R. E. C. Stearns). 
Monterey (D. S. Jordan). 
Catalina Island (Albatross). 
San Diego (H. Hemphill; D. S. Jordan; A/atross). 
San Diego Bay, 534-12 fathoms (A/atross 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. Falos, June 18, 1881); one speci- 
men without chelipeds, which otherwise corresponds closely with the 
American form; probably, however, distinct from C. afinis De Haan 
and C. propinguus Stimpson. 
Monterey (Owen, as C. vulgaris). 
CRANGON NIGROMACULATA Lockington. 
Distribution.—From northern California to Lower 
(Cae. California, 3-33 fathoms. 
Specimens in the National Museum range from Gulf of 
Fic. 51. Crangon i 4 A 
nigromaculata. Chelathe Farallones to San Diego, California; also found at 
of 2 (x 23). Station ji . 
3132. Turtle Bay, Lower California. 
CRANGON ALASKENSIS Lockington. 
Crangon alaskensis LOCKINGTON, Proc. Calif. Acad. Sci., vil, 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. 
r The first pair of feet are shorter, reaching 
Ce only to the middle of the terminal segment A 
of the maxillipeds; the hands are more , 
Fic. 52. Cran- ° 
gon alaskensis. Slender and elongate, being from two and a 
Chela of ¢ (Xx 33). i A Fic. 53. Crangon 
Station 3652. half to three times as long as wide; their alaskensis. 9. Station 
: omagte ° ° 3243. @. Dorsal view 
distal margin is more oblique, forming an angle of about of rostral region (x 
° : : 23). 5. Acicle (X 2). 
forty-five degrees with the lengthwise margins. 
Dimensions.—Length of large egg-bearing female from Kulukak Bay, 
