LIST OF ILLUSTRATIONS. 3 



104. Section of Hair Todd and Bowman 236 



105. Transverse Section of Hair Photograph by Author 237 



106. Sudoriparous Gland Wagner 237 



107. Fat-cell Schwann 246 



108. Adipose and areolar Tissue Berres 246 



109. Transverse Section of Bone Photograph by Author 254 



110. Lucunae and Canaliculi Author 254 



111. Ossifying Cartilage Kolliker : 255 



112. Ossifying Cartilage Photograph by Author 256 



113. Ossifying Femur Kolliker 256 



114. Axis Cylinder Author 261 



115. Subdivision of Nerve Fibres Kolliker 262 



116. Nerve-cells " 263 



117. Bipolar Nerve-cells " 264 



118. Multipolar Nerve-cell Author 264 



119. Nerve Cells and Tubes Wagner 264 



120. Nerve Cells and Tubes Purkinje.. 264 



121. Dorsal Ganglion of Mouse Valentin 267 



122. Simple automatic Arc Author 277 



123. Simple cellated Arc " v 278 



124. Multiple Nerve Arcs " 278 



125. Commissured Arcs " 279 



126. Nervous System of Larva of Sphinx Ligustri ....Newport 279 



127. Nervous System of Pupa of Sphinx Ligustri " 279 



128. Nervous System of Imago of Sphinx Ligustri.... " 279 



129. Nervous System of Asterias Tiedemann. 279 



130. Nervous System of Patella Cuvier 279 



131. Nervous System of Octopus " 279 



132. Nervous System of Aplysia " 280 



133. Registering Nerve Arc Author . 281 



134. Suppression of Centrifugal Branch....' " 281 



135. Influential Arc 282 



136. Primitive Trace Bischoff 293 



137. Origin of Brain on Spinal Cord " 293 



138. Spinal Cord Photograph from Leveille 295 



295 



" " 296 



" " 297 



" " . 297 



u n 297 



144. Portion of Cord of Spirostreptus Newport : 301 



145. Front of Medulla Oblongata Photograph from Leveille 305 



146. Back of Medulla Oblongata " " " 305 



147. Interior of Medulla and Pons " " " 305 



148. Posterior View of Medulla Oblongata Todd and Bowman 306 



149. Nervous System of Larva of Sphinx Ligustri ....Newport 308 



150. Ganglion of Polydesmus Maculatus " 309 



151. Ganglion of Centipede " 312 



152. Thoracic Portion of Cord of Sphinx Ligustri.... " 313 



153. Respiratory and locomotive Ganglia " 313 



154. External lateral Face of Brain Photograph from Leveille 316 



155. Superior Aspect of Brain " " " 316 



156. Internal lateral Face of Brain " " " 317 



157. Base of Brain Photograph by Author 317 



158. Diagram of Brain Mayo 318 



159. The Motor Tract..., ...Bell... 319 



139. Section of Spinal Cord 



140. Spinal Dura Mater 



141. Origin of anterior Roots of Nerves 



142. Origin of posterior Roots , 



143. Origin of both Roots 



