14 



author, 1914 (designated as Laganum decagonale); by Tennent, 

 designated as Laganum sp. (in (irace Medes, 1915). 



Spatangus purpnrciis O. Fr. Miill. ; young larva reared by Krohn, 1853; 

 reared to full larval shape by the present author, 1913. 



EchinOcardium cordalum (Pennant); pelagic larva identified by the present 

 author, 1898; reared through metamorphosis by MacBride, 1913. 



Moira atropos (Lamk.); reared through metamorphosis by Grave, 1902, 

 but no description given of the larva; young larva reared by Ten- 

 nent, 1910. 



Brissopsis lyrifera (Forbes); pelagic larva identified by the present author, 

 1920. 



11. Ophiuroidea. 



Opluothri.r Iragilis (O. Fr. Miill.); pelagic larva identified by Joh. Muller, 

 1852: young larva reared by Apostolides, 1881; Metschnikoff, 

 1885 (no description); Ziegler, 1896; reared through metamorphosis 

 by MacBride, 1898; young larva reared by Carlgren, 1900 (no 

 description). 



Ophiacantha anlarclica Koehler; pelagic larva identified (not beyond 

 doubt) by the present author, 1913. 



Ophiocoma echinata Ag. ; reared to full larval shape by Grave, 1898, but 

 no description or figures given. 



Ophiocomina nigra (Abildg.) (Syn. Ophiocoma nigra); pelagic larva identi- 

 fied by Graham Kerr, 1911; young larva reared by the present 

 author, 1913. 



Ophionereis Srhuyeri (Miill. A Troschel); reared by H. B. Kirk, 1916: 

 (identification not beyond doubt). 



Ophiopholis aculcata (Linn.); young larva reared, pelagic larva identified 

 by Fewkes, 1886. 



Ophiactis Balli (Thomps.); young larva reared by the present author, 1913. 



Amphiura filiformis (0. Fr. Miill.); young larva reared, pelagic larva 

 identified by the present author, 1920. 



Ophiura albida Forbes.; pelagic larva (the Pluteus paradoxus of Joh. 

 Muller) identified by V. Hensen, 1886. 



Ophiura texhirala Lamk. (Syn. Ophiuglypha ciliaris, laccrtusa); pelagic 

 larva identified by the present author, 1898. 



Ophiura af finis Ltk.; pelagic larva identified by the present author, 1920. 



Homalophiura gelida (Koehler) (Syn. Ophioglypha gelidd); pelagic larva 

 identified (not beyond doubt) by the present author, 1913. 



Ophioderma brevispina (Say); reared through metamorphosis by Gas well 

 Grave, 1900. 



