DECAPODS "7 
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.— 9, length 39 mm., length of carapace and rostrum 14 
mm., of rostrum 5 mm. A mutilated specimen of the same size is 
ovigerous. 
Lyfe locality.— Off Sea Lion Rock, Washington, 685 fathoms (Ad/batross 
station 3071). 
SPIRONTOCARIS AFFINIS (Owen). 
Hippolite affinis OWEN, in Zoology of Capt. Beechey’s Voyage [of the 
Blossom], Crustacea, p. 90, pl. XXVI, 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, of. cit., p. 205. 
Distribution. —From the Shumagins, Alaska, to Monterey, California: 
North of Bird Island, Shumagins, 21 fathoms (A/batross station 2850). 
Off Cape Beale, Vancouver 
Island, British Columbia, 
34 fathoms (Adbarross sta- 
tion 2879). 
Off Cape Flattery, Washing- ; 
ton, 40 fathoms (Albatross Big. 3%, Sooners ere 
station 2873). 
Off Drake Bay, California, 35 fathoms (4/batross sta- 
tion 3155). 
Off Point Reyes, California, 47 fathoms (A/batross 
station 3166). 
Monterey Bay, California (J. O. Snyder). 
Puget Sound (T. Kincaid, 1895). 
Puget Sound, deep water (Stimpson); Monterey 
(Holmes). 


