CHRONOLOGICAL LIST. 



1825. Gray (continued). 



Echiuodiscus 



bifora ! 



digitata ! 



octodactylus ! 

 Echinocyamus 



ovulum 



pusillus ! 



tarentina 



trigona 

 Discoidea (err. typ.) Discoides Klein, 1734. 

 Echinanaus (err. typ.) Echinoneus Van Phel. 1774. 



cyclostomus ! 

 Echinolampas 



oviformis ! 



orientalis = Scutum ovatum Klein, 1734. 

 Echinocardium 



atropos ! 



pusillus 



Seba! = Echinus cordatus Penn. 1777. 

 Brissus 



ventricosus ! 



carinatus ! 



columbaris ! 

 Ova 



canaliferus ! 



1826. 



Kisso, Hist. Nat. Prod. Europ. Merid. 182G, V. p. 27G. 

 Echinus 



sardicas non Gmel. nee Lam: = Echinus melo Lam. 1816. 



miliaris non Mull, nee Flem. = Echinus microtuberculatUS Blainv. 1825. 



purpureus non Mull, nee Gmel. = Echinus saxatilis (Lin.) 1758, non Rumph. 



brevispinosus = Echinus granulans Lam. 181 G. 

 Spatangus 



carinatus non Lam. = Brissus unicolor Klein, 1734. 



meridionalis = Spatagus purpureus Mull. 1776. 



1827. 



Blainville, Article Scutelle, Dirt. Sciene. Nat. 1827, XL VIII. 

 Scutella 



Rumphii ' 



semisol ! = Rotula Rumphii Klein, 1734. 



decadactylos. 



octodactylos. 



reticulatus. 



laganum ! 



clypeastriformis I ? = Echinus reticulatus Lin. 1758. 



decagonalis Less. ! 



