50 



CHRONOLOGICAL LIST. 



1835. 



Brandt, Prodromus, 1835, May. 



Echinus 



Strongylocentrotus 

 chlorocentrotus ! = Echinus Drobachiensis Mull. 1776. 

 Hindus. 



parviluberculatus. 

 mola. 



longispina. 

 subglobiformis. 

 tubercidatus. 



Heterocentrotus 



carinatus. 



Postellsii = Cidaris mammillata Klkin, 1734. 



trigonarius. 



mammillatus. 



taeniatus = Echinus trigonarius Lam. 1816. 

 Colobocentrotus 



Mertensii. 



Leskei = Echinus atratus Lix. 1758. 



Quoyi. 



pedifer. 

 Cidarites 



Phyllacanthus 



dubia 



imperialis. 



hystrix. 



geranioides. 



pistiUaris. 



tribuloides. 



1835. 



Pyrina. 



Echinocidaris. 



Collyrites. 



Desmouxins, Tableau Analytique, 1835, July. 



1836. 



Echinocrinus. 

 Dysaster. 

 Holaster. 

 Hemipneustes. 



Micraster 



canal if erus ! 



lacunosus 

 Amphidetus 



Sebae 



pusillus. 

 Brissus 



pecloralis ! 



L. Agassiz, Prodrome, 183G, July. 



