Hemispheres, cerebral, [47]
Hepatopancreas of Ammocœtes, [452]
Hepatop"ncreas of Limulus, [211]
Heterostraci, [29], [275], [326], [343]
Hirudinea, [478]
Histolysis in transformation of the lamprey, [59]
Homology of branchial region of vertebrate and invertebrate, [149]
Homol"gy of ductless glands and nephridial organs, [418]
Homol"gy of external genital ducts of arthropods and nephridia of annelids, [429]
Homol"gy of germinal layers in all Metazoa, [459]