Drepanaspis, [344], [345], [450]
Drepanopterus Bembycoides, [238]
Ectognath, [238], [242], [271], [304], [342], [381]
Eel, [488]
Elasmobranchs, [23], [343], [423]
Elastin, [435]
Embryo, head of dogfish, [121], [123]
Em"ryo, skull of pig, [121]
Embryology, principles of, [455]