CHRONOLOGICAL LIST. 57 



1845. 



Philippi, Wieg. Archiv. L 1845. 



Spatangus 

 Tripylus 



excavatus ! 

 cavernosus ! 

 australis ! 

 Brissus 



pulvinatus = Brissus lyrifer Forbes, 1841. 

 placenta = Brissus unicolor Klein, 1734. 

 Cidaris 



affinis = Cidaris papillata Leske, 1778. 

 Diddema. 



tenuispina = Oidarites diadema (Lam.) 1816. 



longispina ! ? 



antillarum = Cidarites diadema (Lam-) 1816. 



1845. 



Ravenel, Jour. A. N. S. Phila. 1845, p. 253. 

 Sculella 



gibbosal non Risso nee Serkes. = Echinanthus subdepressus Gray, 1825. 



1845. 



J. E. Gray, in Eyre, Voyage, I. 1845, p. 43G. 

 Spatangus 



subcarinatus ! 

 elongatus ! 



1846. 



Duben ocn. Koren, Skand. Eeb. 1 846. 



Echinus 



norvegicus ! 



elegansl (Dub. Kor.) non Desl. 1824. 



virens ! = Echinus miliaris Mull. 1771. 

 Brissus 



fragilis ! 



1846. 



Melonites. 



1846. 



Pluteus. 



1846. 



Owen and Norwood, Sill Journ. 1846, p. 225, September. 



J. Muller, Mull. Archiv, 1845, p. 101. 



Valenciennes, Voyage Venus, Zoopb. 1846, Pis. 



Agassizia 



scrobiculata ! 



Amblypneustes 



pallidus ! 

 formosus 



