152 SYNONYMY. 



PLATYBRISSUS. 



Platybrissus Grube, 18(15. Jahresb. d. Schles. Ges. f. Vaterl. Cult. 



Platybrissus Roemeri 



Platybrissus Roemeri I Grube, 18G5. Jahresb. d. Schles. Ges. f. Vaterl. Cult., p. 61. 



*M. C. Z. 



(TEMNOPLEURUS.) Pleureciiintjs. 



Pleurechinus Agass. 1*41. Mon. Scut. 

 Pleurechinus A6A8S. 1 S4 1 . Vai.. An. Genre Ech. 

 Temnoplt arm Agass. 1846. C. R. Ann. Sc. Nat., VI. (pars.) 

 Opechiuus Dks. 1855. Synop. Ech. foss. 



Pleurechinus bothryoides 



Pleurechinus bothryoides ! Ac \ss. 1841. Mon. Scut. 



Pleurechinus bothryoides ! Agass. 1841. Vai.. An;it. Gen Ech., p. VIII. (mm Cid. both. Klein). 



Tt <in, i, /it, urns bothryoides] Agass. 1846. C. It. Ann. Sc. Nat., VI. p. 360. (pars.) 



? Galapagos ! (Ecol. Min.). 



PODOCIDARIS. 



Podocidaris A. AGASS. 1869. Hull. M. C. Z., I. 



Podocidaris sculpta 



Podocidaris sculpta! A. Agass. 1869. R. M. C. Z., I. p. 258. Straits of Florida. 



*Doublehead Shot Key, Fla., 315 fins., *Florida Gulf Stream, 120, 138, 154 fms. (Pourtales). 



POROCIDARIS. 



Porocidaris Des. 1854. Syn. Echin. foss. 



Porocidaris purpurata 



Porocidaris purpurata ! W. Thoms. 1869. Prel. Rep. Porcup. Exp. P. It. S. 



*Deep water between Rona and Rockall (Poreup. Exp.). 



POURTALESIA. 



Pourtalesia A. Agass. 1869. Bull. M. C. Z., I. 



Pourtalesia miranda 



Pourtalesia miranda! A. Agass. 1869. Bull. M. C. Z., I. p. 272. Straits of Florida. 



♦Florida Gulf Stream, 349 fms. (Pourtales) ; off Rockall, 1215 fms., Shetland Channel! (Por- 

 cupine Exped.). 



