14 U.S. NATIONAL MUSEUM BULLETIN 264 



Syntypes: 



MCZ 318 (1 dry), Hawaii (exact locality not known). 



MCZ 89 (1 alcohol), Hawaii (exact locality not known), Garrett collec- 

 tion. 



Cidaris conferta H. L. Clark 



Endeavour Echinoderms. Department of Trade and Customs, Fisher- 

 ies. Sydney, New South Wales, vol. 4, p. 100, pi. 38, figs. 1-4, 1916. 

 = Stylocidaris conferta (Clark)--see Mortensen's Monograph of the 

 Echinoidea, vol. 1, p. 351. 



Syntypes: 



MCZ 4239 (1 dry), Bass Strait, 80-200 fms., Endeavour, 1915. 



MCZ 4240 (1 dry), South of Gabo Island, East Victoria, 200 fms., 

 Endeavour, 1915. 



Cidaris (Cidaris) glandulosa de Meijere 



Die Echinoiden der Siboga Expedition, p. 13, tai. 1, figs. 5-6, 1904. 

 = Prionocidaris glandulosa (de Meijere)--see Mortensen's Monograph 

 of the Echinoidea, vol. 1, p. 461. 



Syntype: 



MCZ 754 (1 dry), Siboga Sta. 51, west end of Flores, 38-50 fms. 



Cidaris (Porocidaris) misakiensis Yoshiwara 



Annotations Zoologicae Japoneses, vol. 2, p. 58, 1898. 

 = Histocidaris misakiensis (Yoshiwara) --see Mortensen's Monograph of 

 the Echinoidea, vol. 1, p. 79. 



Holotype (part): 



MCZ 3903A (1 dry spine), Sagami Bay, Japan, spine from holotype in 

 the Museum of the Imperial University at Tokio. 



Cionobrissus revinctus A. Agassiz 



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

 p. 206, 1879. 



Syntypes: 



MCZ 3025 (2 dry). Challenger Sta. 191, near Aru Islands, 800 fms. 



MCZ 3242 (1 alcohol), same as 3025. 



Clypeaster cyclopilusE.. L. Clark 



Memorias de la Sociedad Cubana de Historia Natural, vol. 15, p. 118, 

 pi. 19, fig. 1, 1941. 



= Clypeaster (Orthanthus) cyclopilus Clark — see Mortensen's Monograph 

 of the Echinoidea, vol. 4, no. 2, p. 48. 



Holotype: 



MCZ 7667 (dry), Atlantis Sta. 3390, Old Bahama Channel, off west end 

 of Cayo Romano, Cuba, 180 fms., Apr. 27, 1939. 



