CATALOG OF RECENT ECHINOID TYPE SPECIMENS 83 



USNM 31229 (7 alcohol), Albatross Sta. 4796, off Starichkof Island, 

 Siberia, M^ATN., 158043'E., 48 fms., June 20, 1906. 



USNM 31228 (2 alcohol), Albatross Sta. 4795, off Starichkof Island, 

 Siberia, 52O46'50"N., 158O44'30"E., 48-49 fms., June 20, 1906. 



USNM 31227 (5 alcohol). Albatross Sta. 4788, off north point of Copper 

 Island, Siberia, 54O50'24"N., 167°13'E., 57 fms., June 14, 1906. 



USNM 31226 (10 adcohol), Albatross Sta. 4786, off north point of Copper 

 Island, Siberia, 54O51'30"N., 167015'E., 54 fms., June 14, 1906. 



USNM 31225 (2 alcohol). Albatross Sta. 4784, off Attu Island, Alaska, 

 52O55'40"N., 173026'E., 135 fms., June 11, 1906. 



USNM 31224 (2 alcohol). Albatross Sta. 4782, off Attu Island, Alaska, 

 52°55'N., 173027'E., 57-59 fms., June 9, 1906. 



USNM 31223 (22 alcohol), Albatross Sta. 4779, Petrel Bank, Bering Sea, 

 520ll'N., 179057'W., 54-56 fms., June 5, 1906. 



USNM 31222 (3 alcohol). Albatross Sta. 4794, off Kamchatka, Alaska, 

 52O47'20"N., 158O44'30"E., 58 fms., June 20, 1906. 



USNM 31221 (25 alcohol), Albatross Sta. 4777, see above. 



MCZ 3972 (2 dry), Albatross Sta. 4784, see above. 



MCZ 3973 (1 dry). Albatross Sta. 4795, see above. 



MCZ 3974 (1 dry). Albatross Sta. 4819, between Hakodate and Solo 

 Islands, Japan, 131-188 fms. 



MCZ 3975 (1 dry). Albatross Sta. 4253, off Thistle Ledge, Stephen, 

 Alaska, 131-188 fms. 



MCZ 4043 (12 alcohol), Albatross Sta.. 4787, see above. 



MCZ 4049 (9 alcohol). Albatross Sta. 4993, between Hokkaido and 

 Saghalin, 142 fms. 



MCZ 4051 (4 alcohol). Albatross Sta.. 4982, between Hokkaido, Japan, 

 390-428 fms. 



Strongylocentrotus fragilis R. T. Jackson 

 Phylogeny of the Echini, p. 128, 1912. 

 = Alloc entrotus fragilis (Jackson)- -see Mortensen, 1942, p. 232. 



Holotype: 



MCZ 3668 (dry), Catalina Island, California. 



Paratypes: 



MCZ 3667 (5 dry), Catalina Island, California. 



