Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

archimedis, [473].

copernici, [475].

hexagona, [474].

ptolomaei, [475].

pythagoræ, [474].

trigona, [474].

Hymenactinium, [475].

Hymenacturium, [474].

Hymenastrella, [530].

Hymenastromma, [531].