History of larval forms, pp. 459-511. _Branchiopoda_, pp. 459-465.
_Malacostraca_, pp. 465-487. _Copepoda_, pp. 487-492. _Cirripedia_,
pp. 492-500. _Ostracoda_, pp. 500-502. _Phylogeny of the Crustacea_,
pp. 502-511. The formation of the germinal layers, pp. 511-521.
Comparative development of organs, pp. 521-529.