118 RATHBUN 



Off Cape Beale, Vancouver Island, 34 fathoms, stations 2879, 2880. 



Off Cape Flattery, Washington, 40 fathoms, station 2873. 



Gulf of the Farallones, 29 fathoms, station 3100; 47 fathoms, station 



3*57- 



Off Lobos Rocks, California, 41 fathoms, station 3185. 

 South of San Diego Bay, 22 fathoms, station 3679. 

 Off Cortez Bank, California, 47 fathoms, station 2922. 

 San Diego, depth not given (Albatross}. 

 Pacific Grove, California (J. O. Snyder). 



CRANGON HOLMESI Rathbun. 

 Crangon holmesi RATHBUN, Proc. U. S. Nat. Mus., xxiv, 888, 1902. 



A small species allied to C. alba Holmes in not having a groove on the 

 under side of the sixth abdominal segment. 



Carapace a third as long as the abdomen ; rostrum narrow-triangular, 

 short, with a rounded tip. Antennulae as in C. alba. Antennae nearly as 



long as the body ; scale either as long or nearly as 

 long as the carapace exclusive of the rostrum; 

 blade very narrow at the extremity; spine much 

 exceeding it. Maxillipeds exceeding the scale a 

 little ; antepenult segment not dilated. The first 

 ,, Q ., , 7 - pair of feet reach to the middle of the terminal 



FIG. 58. Crangon holmesi. * 



9. Station 2939. a . Dorsal j o j nt o f t } ie maxillipeds ; the hand is elongate, about 



viewer rostral region (X 8). J 



. Acicie (x 4)- c. chela (x 8). three times as long as wide; the anterior margin, 

 against which the dactylus folds, is more longitudinal than transverse. 

 The third pair of legs is a very little longer than the second ; they are 

 equally slender. The segments of the abdomen are smoothly rounded 

 above ; the sixth without a ventral sulcus ; the seventh is a little longer 

 than the sixth, or about as long as the antennal scale, and is exceeded by 

 the uropods. 



Dimensions. Ovigerous female, length 23 mm., length of carapace 

 5.3 mm., of antennal scale 4.2 mm. 



Distribution. Off Wilmington, California, 27 fathoms (Albatross sta- 

 tion 2939), type locality, 4 females. 



Catalina Harbor, California, 30-40 fathoms, sandy mud; i female 

 (W. H. Ball). 



Northwest of Cerros Island, Lower California, 58 fathoms (Albatross 

 station 2983), 4 females. 



CRANGON STYLIROSTRIS Holmes. 



Crangon stylirostris HOLMES, Occas. Papers Calif. Acad. Sci., VII, 174, pi. 

 II, figs. 33-35, 1900. 



