74 U.S. NATIONAL MUSEUM BULLETIN 264 



MCZ 2962 (1 dry), Albatross Sta. 3436, Gulf of California, 27O3'40"N., 

 110O53'40"W., 905 fms. 



MCZ 2963 (1 dry), Albatross Sta. 3437, Gulf of California, 27°31'40"N., 

 lllO0'30"W., 628 fms. 



MCZ 3236 (1 alcohol), Albatross Sta. 3394, Gulf of Panama, 511 fms. 



MCZ 3237 (1 alcohol). Albatross Sta. 3424, near Tres Marias Island, 

 Mexico, 676 fms. 



Schizocidaris fasciata Mortensen 



U.S. National Museum Bulletin 100, vol. 6, pt. 4, p. 280, 1927. 



Holotype: 



USNM E1387 (alcohol). Albatross Sta. 5547, Noble Point, Tulayan 

 Island, near Jolo, 6°09'20"N., 121°13'40"E., 283 meters, Sept. 15, 

 1909. 



Spatagocystis challengeri A. Agassiz 



Proceedings of the American Academy of Arts and Sciences, vol. 14, 

 p. 206, 1879. 



Syntype: 



MCZ 4755 (1 dry). Challenger Sta. 157, southeastern Indian Ocean, 

 1,950 fms. 



Spatangus californicus H. L. Clark 



Memoirs of the Museum of Comparative Zoology at Harvard, vol. 46, 

 no. 2, p. 235, pi. 146, fig. 20; pi. 149, fig. 4; pi. 156, figs. 1-3; pi. 157, 

 fig. 10, 1917. 



Syntype s: 



USNM E784 (1 dry). Albatross Sta. 2973, off Southern California, 

 34Ol9'30"N., 119044'15"W., 68 fms., Feb. 11, 1889. 



USNM E785 (1 dry). Albatross Sta. 2973, see above. 



USNM E786 (1 dry). Albatross Sta. 2973, see above. 



USNM E787 (1 dry), Albatross Sta. 2973, see above. 



USNM E788 (1 dry), Albatross Sta.. 2973, see above. 



USNM E789 (1 dry). Albatross Sta. 2973, see above. 



USNM E790 (1 dry). Albatross Sta. 2973, see above. 



USNM E886 (dry fragments). Albatross Sta. 2977, off Southern Cali- 

 fornia, 33O59'30"N., 119O25'30"W., 45 fms., Feb. 12, 1889. 



USNM E887 (1 dry). Albatross Sta. 2977, see above. 



USNM E4735 (2 dry). Albatross Sta. 2972, off Southern California, 

 34Ol8'30"N., 119041'W., 61 fms., Feb. 11, 1889. 



