SHALLOW-WATER STARFISHES 339 



H. tumida borealis Ver. 



Bering Str., south to Yakutat and Sitka, Alaska ; Siberia. 

 H. arctica Ver. 



Cape Lisburne. 

 fH. aspera F. 



Bering Sea to Santa Barbara, Calif. 

 *Solaster endeca (L.). 



Arctic Ocean ; Bering Sea, south to Sitka ; Queen Charlotte Sd., 238 fath. 

 fS. dawsoni Ver. 



Kuril Is. ; Aleutian Is., southward to California. 

 5". dawsoni arctica Ver. 



Point Franklin, Arctic Ocean. 

 f5". stimpsoni Ver. 



Bering I. and Commander Is., south to Oregon. 

 S. paxillatus Sladen. 



Bering Sea to Kadiak and to Japan; 56-350 fath. 

 *Crossaster papposus (L.). 



Cape Franklin, Arctic Ocean; Bering Sea to Oregon; Siberia; common 



off Alaska, 1-283 fath. 

 ^Pteraster tesselatus Ives. 



Bering I. to Puget Sd. 

 *P. wilitaris Mull. 



Bering Str. to Aleutian Is. ; Str. of Fuca, 100 fath. 

 *P. pulvillus Sars. 



Off Bering I., in deep water. 

 P. marsippus F. 



Bering Str., 52-351 fath. 

 *Pter aster obscurus (Per.). 



Bering Str. to Unalaska and Kamchatka. 

 P. obscurus, var. octaster Ver. 



Bering Str. to Pribilof Is. and Kamchatka. 

 Pterasterides aporus (Lud.). 



Bering Sea. 

 *Diplopteraster multipes (Sars) Ver. 



Bering Sea to Aleutian Is., 81-350 fath.; off San Diego, Calif., 628-640 



fath. 

 *Ceramaster granularis (R.) Ver. 



Bering Sea to Aleutian Is.; Str. of Georgia (?). 

 C. patagonicus (Sla.) F. 



Bering Sea to Aleutian Is. and Unalaska; Southern Alaska, 41-134 



fath.; Gulf of California (Fisher). 

 Tosiaster arcticus Ver. 



Bering Sea to Aleutian Is. and Kadiak, Alaska, and to Siberia; 0-102 



fath. 

 ^Hippasteria spinosa Ver. 



Bering Sea to southern California. 

 Luidiaster dawsoni (Ver.). 



Bering Sea to British Columbia, 56-159 fath. 

 *Leptychaster arcticus (Sars). 



Bering Sea to Bering I., and to Yezo, Japan 



