CONTENTS. xi 



PAGE 



MUSCLES OF THE VISCERAL SKELETON AND HEAD 118 



of Fishes 118 



of Amphibia 119 



of Amuiota 120 



MUSCLES OF THE APPENDAGES 121 



DIAPHRAGM 122 



Bibliography 122 



D. ELECTRIC ORGANS 124 



Bibliography 128 



E. NERVOUS SYSTEM 129 



I. THE CENTRAL NERVOUS SYSTEM 129 



1. THE SPINAL CORD 129 



2. THE BRAIN (general description and development) 131 



MEMBRANES OF THE BRAIN AND SPINAL CORD 135 



The Brain of Cyclostomi 136 



of Elasmobranchii 137 



of Teleostei 139 



of Ganoidei, Dipnoi, and Amphibia 142 



of Reptiles 144 



of Birds 147 



of Mammals 148 



II. PERIPHERAL NERVOUS SYSTEM 151 



SPINAL NERVES 152 



CRANIAL NERVES 153 



SYMPATHETIC 160 



SUPRARENAL BODIES 161 



Bibliography 162 



III. SENSORY ORGANS (general description) 162 



SENSE-ORGANS OF THE INTEGUMENT 163 



Rod-shaped Organs of Fishes, Dipnoi, and Amphibia, Segmental 



Sense-Organs 163 



End-Bulbs 166 



Terminal Ganglion-Cells 167 



Bibliography 169 



OLFACTORY ORGAN (general description and development) 170 



of Fishes 171 



of Dipnoi and Amphibia 172 



of Reptiles 174 



of Birds 175 



of Mammals 176 



JACOBSON'S ORGAN 177 



THE SPOUTING APPARATUS OF GYMNOPHIONA 179 



Bibliography 180 



