ILLUSTRATIONS. 13 



FIG. PAGE 



134. Peripheral sensory neurone (Iluber) 167 



135. Termination of sensory nerve-fibers in the mucosa and epithelium of urethra 



of cat (Huber) 168 



136. End-bulb of Krause from conjunctiva of man (Dogiel) 169 



137. Meissner's tactile corpuscle (Dogiel) . . 170 



138. Genital corpuscle from glans penis of man (Dogiel) 171 



139. Cylindric end-bulb of Krause from intermuscular fibrous tissue septum of cat 



(Huber) 172 



140. Vater-Pacinian corpuscle from the mesentery of a cat 173 



141. Pacinian corpuscles from the mesorectum of a kitten (Sala) 174 



142. Corpuscle of Herbst from bill of duck . 175 



143. Intrafusal muscle-fiber from neuromuscular nerve end-organ of rabbit (Huber) 176 



144. Cross-section of a neuronuiscular nerve end-organ from interosseous muscle of 



man (Huber) ... ... 176 



145. Neuromuscular nerve end-organ from plantar muscles of dog (Huber-De Witt) 177 



146. Xeurotendinous nerve end-organ from rabbit (Huber-De Witt) 178 



147. Cross-section of neurotendinous nerve end-organ of rabbit (Huber-De Witt) . 179 



148. Ranvier's crosses from sciatic nerve of rabbit .181 



149. Medullated nerve-fiber from sciatic nerve of frog 181 



150. Ganglion cell from anterior horn of spinal cord of calf 182 



151. Human red blood-cells ' 188 



152. Rouleau formation of human erythrocytes .... .... . 188 



153. Hemin, or Teichmann's crystals, from blood stains on a cloth (Huber) . . . 188 



154. Crenated human red blood-cells 188 



155. Red blood-corpuscles subjected to the action of water 188 



156. Red blood-corpuscles from various vertebrate animals 189 



157. White blood-corpuscles from normal blood of man 191 



158. Ehrlich's leucocytic granules . . . 192 



159. Fibrin from laryngeal vessel of child (Huber) 195 



160. Solitary lymph-nodule from human colon 197 



161. Transverse section of human cervical lymph gland, showing the general struc- 



ture of a lymph-gland ... . . 198 



162. Section from human lymph-gland 199 



163. Section through the human spleen 203 



164. Lobule of the spleen (Mall) ... 205 



165. Cells containing pigment, blood-corpuscles, and hemic masses from spleen of 



dog 206 



166. Section through human spleen showing reticular fibrils 206 



167. Cover-glass preparation from bone-marrow of dog 208 



l6S. Section through human red bone-marrow ... 209 



169. Small lobule from thymus of child, well-developed cortex 211 



170. Hassall s corpuscle and a small portion of medullary substance from thymus 



of child ten days old (Huber) 21 1 



171. Cross-section of human carotid artery ... .... 217 



172. Section through human artery, one of the smaller of the medium-sized . . . 217 



173. Precapillary vessels from mesentery of cat (Iluber) . . 218 



174. Cross-section of human internal jugular vein ... 219 



175. Section of small human vein .... 220 



176. Endothelial cells of capillary and precapillary from mesentery of rabbit (Huber) 221 



177. Small artery from oral submucosa of cat with nerve-terminations 222 



178. Section of a cell-ball from glomus caroticum of man . . 225 



179. Thoma-Zeiss hemocytometer 232 



180. Section through lower lip of man ... . . . . 237 



181. Longitudinal section through a human tooth, showing lines of Retzius . . . 239 



182. Portion of ground tooth from man, showing enamel and dentin .... 240 



183. Longitudinal section through human molar from the center of the enamel 



layer 241 



184. Cross-section of human tooth, showing cement and dentin 243 



185. Nerve termination in pulp of rabbit's molar (Huber) . . 244 



186-189. Four stages in the development of tooth in sheep embryo 245 



190. Portion of cross-section through developing tooth . 246 



191. Fungiform papilla from human tongue (Huber) 247 



192. Cross-section of human tongue showing filiform papillae . ... 248 



193. Longitudinal section of foliate papilla of rabbit, snowing taste-buds (Huber) 249 



194. Longitudinal section of a human circumvallute papilla 250 



