of pudendal plexus, 719
of sacral plexus, 719

of thoracic, 714, 716, 717
spinosus, 778
splanchnic, 761

greater, 761, 764
lesser, 761

lowest, 761, 764
stapedius, 782

to sterno-mastoid muscle, 696, 793

from accessory, 793

of stomach, 1177

to stylo-pharyngeus muscle, 786
to subclavius, 702

central canal of, 564, 565
development of cerebral nerves from, 682

of spinal nerves from, 679
differentiation of, 33
ependymal layer of, 502
fate of spinal portion, 35
flexures of, 514
floor-plate of, 402, 520
germinal cells of, 35

histological differentiation of walls, 35
limiting membrane of, external, 35, 502
internal, 35, 502
mantle-layer of, 502
marginal layer of, 502
myelospongium of, 503
neuroblasts of, 503
perforations in wall of, 37
roof-plate of, 402, 520
sulcus limitans of, 36
Neurenteric canal, 23, 26
Neurobiotaxis, 554