CHRONOLOGICAL LIST. 09 



1856. 



Desor, Synops. Echin. foss. 1856, pp. 131 -155. 

 Stirechinus. 

 Phymechinus. 



Diplophorus (err. typ.) Diploporus Trosch. Ms. 

 Sphaerechinus 



brevispinosus. 

 Loxechinus 



ulbus. 

 Hyposalenia. 

 Eocidaris. 



D'Orbigny, Pal. franc. Cret. VI. 1856, p 418. 



Muller, J., Echin. Eifel. Kalk. Berl. Ak. 1856, p. 356. 



1856. 



Clypeopygus. 



1856. 



Lepidocentrus. 



1856. 



Hup^, in Castelnau Voyage Am. Sud. 1856. 

 Echinus 



aciculatus ! = Echinus Gaimardi Blainv. 1825. 

 Heliocidaris 



Castelnaudi ! = Echinus lucunter Lin. 1758. 

 Echinoglycus 



Valenciemtesii. 



ohlongus. 



subclausus. 



1857. 



Barrett, Ann. Mag. Nat. Hist. XIX. 1857, p. 32, January. 

 Amphidotus 



gibbosus (Barrett) non Ag. = Echinocardium pennatifidum Norm. 1869. 



1857. 



Stimpson, Crust. Ech. Pacif. Sh., Journ. Bost. Soc. N. H. 1857. 

 Echinus 



chloroticus ! non Val. 1816 (err. typ.) chlorocentrotus Br. 

 purpuratus ! 



1857. 



McCrady, in Tuomey and Holmes Pliocene foss. So. Ca. pp. 4- 10, 1857. 



Psammechinus 



exoletus = Echinus variegatus (Lam.) 1816, non Leske. 

 Agassizia 



porifera. 

 Amphidetus 



ampliflorus = Echinus cordatus Penn. 1777. 



orthonotus. 

 Brissus 



spatiosus = Spatangus ventiicosus Lam. 1816. 

 Plagionotus 



Holmesii = Echinus grandis Gmel. 1788. 



Ravenellianus = " " 



