DECAPODS 77 



oblique and exceeding the spine ; the peduncle attains the middle of the 

 scale ; flagellum about as long as the body. 



The maxilliped extends beyond the antennal scale by half the length 

 of its last segment ; the first pair of feet just reaches the end of the 

 antennal scale, the second pair extends a little beyond the maxilliped, 

 the fifth pair not quite so far as the maxilliped. Second to fifth pairs 

 very slender. 



The abdomen is narrow compared with the carapace; the posterior 

 margin of the third segment is moderately produced ; the sixth segment 

 is one and a half times as long as the fifth, and a little more than one 

 half as long as the seventh ; this last has 5 or 6 spinules on either side. 



Dimensions. ?, length 39 mm., length of carapace and rostrum 14 

 mm., of rostrum 5 mm. A mutilated specimen of the same size is 

 ovigerous. 



Type locality. Off Sea Lion Rock, Washington, 685 fathoms (Albatross 

 station 3071). 



SPIRONTOCARIS AFFINIS (Owen). 



Hippolite affinis OWEN, in Zoology of Capt. Beechey's Voyage [of the 

 Blossom}, Crustacea, p. go, pi. XXVII, fig. 4 (rostrum). 



Locality. Monterey, California (Owen). 



SPIRONTOCARIS GRACILIS (Stimpson). 



Hippolyte gracilis STIMPSON, Proc. Acad. Nat. Sci. Phila., 1864, 155. 

 Heptacarpus tenuissimus HOLMES, Occas. Papers Calif. Acad. Sci., VII, 



203, 1900. 

 Heptacarpus? gracilis HOLMES, op. cit., p. 205. 



Distribution. From the Shumagins, Alaska, to Monterey, California: 

 North of Bird Island, Shumagins, 21 fathoms (Albatross station 2850). 

 Off Cape Beale, Vancouver 

 Island, British Columbia, 

 34 fathoms (Albatross sta- 

 tion 2879). 



Off Cape Flattery, Washing- 

 ton AI~> fntVinrnQ I AllmtrnSS FIG. 31. Spironiocaris gra- 



ton, 40 latnoms \siwaiross cilis ? (X2) station 3166. 

 station 2873). 



Off Drake Bay, California, 35 fathoms (Albatross sta- 

 tion 3155). 



Off Point Reyes, California, 47 fathoms (Albatross 

 station 3166). 



Monterey Bay, California (J. O. Snyder). 



Puget Sound (T. Kincaid, 1895). 



Puget Sound, deep water (Stimpson); Monterey 

 (Holmes). 



