13 



larva identified by the present author, 1898; reared to full larval 

 shape and through metamorphosis by MacBride, 1898, 1903; by 

 The el, 1892 (published 1902; no description of larva); by Shearer, 

 Morgan and Fuchs, 1909 (1913). 



Psammechinus microtuberculatus (Blv.) (Syn. Echinus pulchellus Ag.); 

 reared to first larval stage by Joh. Miiller, 1852; Selenka, 1879 

 (wrongly named Echinus miliaris); Seeliger, 1896; reared through 

 metamorphosis by Giesbrecht, 1909 (in v. Ubisch, 1913; no 

 description given of the fully formed larva). 



Echinus esculentus L. ; reared to full larval shape and through meta- 

 morphosis by MacBride, 1898, 1903; Shearer, Morgan and 

 Fuchs, 1913. 



Echinus acutus Lamk. ; reared to full larval shape and through meta- 

 morphosis by Shearer, Morgan and Fuchs, 1913. 



Sterechinus Neumayeri (Meissner); pelagic larva identified by the present 

 author, 1913. 



Paracentrotus lividus (Lamk.) (Syn. Slrongylocentrotus lividus); reared to 

 young larva by A. Derbes, 1847; Krohn, 1849; to beginning meta- 

 morphosis by Joh. Miiller, 1852; Metschnikoff, 1869. 



Slrongylocentrotus drebachiensis (0. F. Miill.); young pluteus reared by 

 A. Agassiz, 1864 (other pelagic larvae wrongly described as the 

 later stages of this larva by the same author). 



Slrongylocentrotus franciscanus Ag.; young larva reared by Loeb, 1909; 

 Hagedoorn, 1909. 



Slrongylocentrotus purpuralus Stimps. ; young larva reared by Hage- 

 doorn, 1909. 



Lylechinus variegatus (Lamk.) (Syn. Toxopneustes variegatus); reared to 

 beginning metamorphosis by Tennent, 1910. 



Tripneustes esculentus (Leske) (Syn. Hipponoe esculenta); young larva 

 reared by Tennent, 1910. 



Sphserechinus granularis (Lamk.) (Syn. Echinus brevispinosus Risso); young 

 larva reared by Krohn, 1853; fully formed, pelagic larva identified 

 by Joh. Miiller, 1855. 



Echinocyamus pusillus (0. Fr. Miiller); reared through metamorphosis by 

 Theel, 1892. 



Mellita testudinata (Klein); reared through metamorphosis by Caswell 

 Grave, 1902, but no description given of the larva; reared by Ten- 

 nent, 1910. 



Echinarachnius parma (Lamk.); pelagic larva identified by A. Agassiz, 

 1864; reared through metamorphosis by Fewkes, 1886. 



Peronella Lesueuri (Val.); reared through metamorphosis by the present 



