BIHANG TILL K. SV. VET.-AKAD. HANDL. BANU 13. AFD. IV. N:0 5. 165 



1856. Brissus Scillae Ag. 1855. Gray, Catalogue 



I, p. 53. 

 » » > 1856. FoRBES,Bnt.Org. 



Rem., Dec. V, 

 t. 10. 



1841. Spatangus tentricosus (non Lamck.) Delle Chiaje, Descr. 



e not. An. inv., 

 IV, p. 32, 52, t. 

 123. 



1845. Brissiis placenta Phil., Wiegm. Arch. XI, 349. 



Hab. Mare Atlanticum, prope öras orbis antiqui, et Mare 



^lediterraneiim. 



Brissiis colunibaris Lamck. 



Sloane, Nat. Hist. Jamaica, t. 242, f. 3, 4, 5, orig., 1725. — 

 Seba, Thes. t. X, f. 19, a, b, orig., 1758. 



1816. Spatangus columbaris Lamck., An. s. vert., III, p. 30. 



» » » 1827. Blainv., Diet. se. 



nat. L, p. 89. 



1827. Ene. Méth. t. 158, 



f. 9, 10, imit. Sebae. 



>> » » ■ 1830. Bly.1. c.LX,p.l84. 



» » » 1834. Id. iMan. d'Aet. p. 



203. 

 »1837. DESMOUL.,Et.p.384. 

 Brissus » » 1825. Gray, Ann. Phil. 



X, p. 431. 

 * » > 1847. AG.DES.,C.R.p.ll9. 



» » » 1855. Gray, Catal. p. 54, 



t. 6, f. 3 orig. 

 > » » 1863. LiJTKEN, Meddel., p. 



118. 

 Hab. Mare Caribbeum. 



These two forms come verv near to each otlaer and have 

 been, I believe, rigbtly united into one species. But from 

 the ::unicolor>. of Klein, the E. Spatagus L., they deviate toto 

 ccelo. Not only is the general form another, more lengthened 

 posteriorly, the back keelcd, the petals, particularly in the Br- 



