56 RATHBUN 
Off Strait of Fuca, 142 fathoms, station 3457. 
Strait of Fuca, 53-136 fathoms, stations 3446-3449, 3451, 3452, 3456, 
3458-3460, 3596, 3597- 
Puget Sound, 82-135 fathoms, stations 3067, 3068. 
Off Tahwhit Head, Washington, 178 fathoms, station 3076. 
Stations 3675, 3676 (locality not given), 110 and 122 fathoms, 
Family 27PPOL VTIDZ. 
Genus Hippolyte Leach. 
HIPPOLYTE CALIFORNIENSIS Holmes. 
Distribution.—From Sitka, Alaska, to San Diego, California. Speci- 
mens are in the National Museum from Sitka, 10 fathoms (Harriman 
Expedition, one specimen); Barclay Sound, British Columbia (A/Zatross, 
one specimen); Puget Sound (T. Kincaid, several specimens); Bodega 
Bay, California (determined by S. J. Holmes); San Diego, California 
(Albatross). 
The Sitka specimen, about 24 mm. long, has on the rostrum 3 teeth 
above on basal half, below 3 near the middle and 1 near the tip. The 
example from Barclay Sound has 2 teeth above on basal half, and 1 near 
the tip, below 2 near the middle and 1 near the tip. In a lot of eleven 
specimens from Puget Sound, the dorsal teeth are usually 2 (in one 
case 3) on basal half of rostrum, and 1 or none near tip. In the few 
individuals from San Diego the rostral teeth are typical. 
Genus Hippolysmata Stimpson. 
HIPPOLYSMATA CALIFORNICA Stimpson. 
Distribution.—¥rom Santa Barbara to San Diego, California. 
Genus Spirontocaris Bate. 
(Includes Heptacarpus Holmes.) 
KEY TO THE SPECIES OF SPIRONTOCARIS. 
A. One or more supraorbital spines present. 
B. Rostrum subcircular. Median spines of carapace compound or 
formed by short transverse rows of small ae 3 OF 4 supra- 
orbital spines. SEG AA een - . prionota, 
B’. Rostrum not subcircular, usually elongate. Median spines of 
carapace simple, or not formed by transverse rows of small 
spines. Not more than 2 supraorbital spines. 
C. First to third abdominal segments laterally acute or spinous. 
D. First and second abdominal segments armed with slender 
spines. Rostrum narrow ..... . greniandica. 
