Centre, vaso-motor, [468]

Cephalaspis, diverticula of gut, [109]

Ceph"laspis, eyes, lateral, [75], [275]

Ceph"laspis, e"es, median, [75]

Ceph"laspis, head-shield, [327], [328], [330], [338]

Ceph"laspis, muscles on head-shield, [269]

Ceph"laspis, resemblance to Ammocœtes, [145], [291], [326], [329], [338], [348], [414]

Ceph"laspis, resem"lance to Arthropod, [29]

Ceph"laspis, segmentation, [339]

Ceratodus, [148]