CATALOG OF RECENT ECHINOID TYPE SPECIMENS 29 



Syntype: 



MCZ 4728 (1 alcohol), Challenger Sta. 343, off Ascension Island, 425 

 fms. 



Echinus diadema Studer 



Monatsberichte Akademic der Berlin, p. 456, 1876. 

 = Ster echinus diadema (Studer) — see Mortensen's Monograph of the 

 Echinoidea, vol. 3, no. 3, p. 102. 



Syntype: 



MCZ 2028 (1 dry), Kerguelen, GazeWe Expedition. 



Echinus euryporus H. L. Clark 



Memoirs of the Museum of Comparative Zoology at Harvard, vol. 34, 

 no. 4, p. 266, pi. 93, figs. 2-3; pi. 198, figs. 4-6, 1912. 



Holotype: 



MCZ 1160 (dry), Challenger Sta. 308, off southern coast of Chile, 175 

 fms. 



Echinus gracilis A. Agassiz 



Bulletin of the Museum of Comparative Zoology at Harvard, vol. 1, 

 p. 261, 1869. 



= Gracilechinus gracilis (Agassiz) — see H, B. Fell and D. L. Pawson, 

 in Treatise on Invertebrate Palaeontology, vol. U 3(2), p. 431. 



Syntype: 



MCZ 1163 (3 dry), off Sand Key, Florida, 120 fms,, Pourtales collec- 

 tion. 



Echinus horridus A. Agassiz 



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

 p. 203, 1879. 



- Derm echinus horridus (Agassiz)- -see Mortensen's Monograph of the 

 Echinoidea, vol. 3, no. 3, p. 112. 



Syntype: 



MCZ 1164 (1 dry). Challenger Stsi. 308, off southern Chile, 175 fms. 



Echinus purpuratus Stimpson 



Boston Journal of Natural History, vol. 6, p. 526, 1857. 

 = Strongylocentrotus purpuratiAS (Stimpson) — see Mortensen's Mono- 

 graph of the Echinoidea, vol. 3, no. 3, p. 236. 



Type: 



USNM 2495 (1 dry). North Pacific Exploring Expedition Sta. SF-54, San 

 Francisco, California, 1853-56. 



This is undoubtedly one of Stimpson' s types, but whether he had more 

 than one is not indicated -in his description. This may well be the holotype. 



Echinus ty lodes H. L. Clark 



Memoirs of the Museum of Comparative Zoology at Harvard, vol. 34, 

 no. 4, p. 269, pi. 93, figs. 11-15; pi. 109, figs. 1-3, 1912. 



