16 U.S. NATIONAL MUSEUM BULLETIN 264 



Clypeaster eurychorius H. L. Clark 



Fisheries and Marine Biological Survey. Union of South Africa, rep. 

 4, p. 19, pi. 3, 1924. 



= Clypeaster (Stolonoclypus) eurychorius Clark--seeMortensen's Mono- 

 graph of the Echinoidea, vol. 4, no. 2, p. 94. 



Paratypes: 



MCZ 4669 (2 dry), east-northeast from Durban, Natal, 174 fms., Sta. 

 138. 



Clypeaster lamprus H. L. Clark 



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

 no. 1, p. 42, pi. 122 figs. 1-4; pi. 123, figs. 21-22, 1914. 

 = Clypeaster (Stolonoclypus) lamprus Cla.rk — see Mortensen's Monograph 

 of the Echinoidea, vol. 4, no. 2, p. 116. 



Holotype: 



MCZ 4739 (dry), Blake Sta. 157, off Montserrat, British West Indies, 

 120 fms. 



Paratypes: 



MCZ 2162 (2 dry), same as 4739. 



Clypeaster leptostracon A. Agassiz and H. L. Clark 



Bulletin of the Museum of Comparative Zoology at Harvard, vol. 59, 

 no. 8, p. 248, 1907. 



= Clypeaster (Stolonoclypus) leptostracon Agassiz and Clark--see Mor- 

 tensen's Monograph of the Echinoidea, vol. 4, no. 2, p. 126. 



Syntypes : 



USNM 34262 (1 dry), Albatross Sta. 4046, west coast of Hawaii, 

 71-147 fms., July 11, 1902. 



USNM 34259 (1 dry). Albatross Sta. 3987, vicinity of Kauai, Hawaii, 

 50-55 fms., June 11, 1902. 



USNM 34260 (13 dry), Albatross Sta. 3823, south coast of Molokai, 

 Hawaii, 78-222 fms., i^r. 1, 1902. 



USNM 34261 (1 dry), Albatross Sta. 4046, see above. 



USNM 34268 (10 alcohol), Albatross Sta. 3823, see above. 



USNM 34269 (2 alcohol). Albatross Sta. 4046, see above. 



USNM 34270 (14 alcohol). Albatross Sta. 4064, northeast coast of 

 Hawaii, 63-107 fms., July 18, 1902. 



MCZ 4186 (4 dry). Albatross Sta. 4066, off Ka Lee-oka Hio Point, 

 Hawaii, 49-176 fms. 



MCZ 4193 (6 alcohol) same as 4186. 



Mortensen regards this species as identical with Clypeaster (Stolono- 

 clypus) miniaceus. 



