Segmet"ation, body-muscles in vertebrate, [388]
Segmet"ation, eye-muscles, [248]
Segmet"ation, of head, double, [155], [157], [173], [234], [258], [411], [459]
Segmet"ation, of head-shield, [339]
Segmet"ation, history of cranial, [258]
Segments, branchial of Ammocœtes, [161], [178], [186]
Segm"nts, hyoid, in Ammocœtes, double, [186], [201], [267], [300]
Segm"nts, innervation of branchial, [151]
Segm"nts, first mesosomatic, in Limulus and its allies, [188]
Segm"nts, mesosomatic, of Eurypterus, [192]