Ammo"œtes, retina, [93], [111]
Ammo"œtes, skin, [58], [346], [348], [442]
Ammo"œtes, skeleton, [125], [126], [132], [291], [296], [335]
Ammo"œtes, segments, comparison with segments of Eurypterus, [323]
Ammo"œtes, segm"nts, facial, [201]
Ammo"œtes, segm"nts, hyoid, [186], [201]
Ammo"œtes, segm"nts, prosomatic, [286]
Ammo"œtes, septa between myomeres, [416]
Ammo"œtes, tentacles of upper lip, [303]
Ammo"œtes, test, biological, to show relationship with Limulus, [493]