CHRONOLOGICAL LIST. 65 



1853. 



Peters, Monatsber. Akad. Berlin, 1853, August. 



Astropyga 



dubia! = Cidarites pulvinata Lam. 1816. 



mossambica! = Cidaris radiata Leske, 1778. 

 Echinothrix 



calamaris ! 

 turcarum ! 

 subularis ! 

 spinosissima ! 

 Desorii ! 



annellata ! = Astropyga Desorii Ag. 1846. 



1853. 



D'Abchiac et Haime, Anim. foss. de l'lnde, 1853, pp. 197-214. 



Glyphocyphus. 

 Phymosoma. 

 Eurhodia. 

 Hardouinia. 



Temnopleurus 



depressus ! = Cidaris toreumatica Klein, 1734. 

 Eupatagus 



pectoralis. 



1853. 



D'Orbigny, Pal. franc. Cret. VI. 1853, pp. 175-186. 



Heteraster. 



Ennalaster. 



Epiaster. 



Insufulaster (err. typ.) Infulaster Hag. 1851. 



1854. 



Echinanthus 



orientalis 

 Richardii ! 

 oviformis ! 



Echinobrissus 

 recens ! 



Echinodiscus 



Augusti ! 



1854. 

 Grasia. 



1854. 



Rhabdocidaris. 



Diplocidaris. 



Porocidaris. 



Leiocidaris 



imperialis. 



D'Orbignv, Rev. Mag. Zool. 1854, p. 16, January. 



Michelin, Rev. Mag. Zool. 1854, p. 439, August. 



Desor, Synops. fithin. foss. 1854, pp. 39-48. 



