LIST OF ILLUSTRATIONS 



Xlll 



KIGl'RE 



Leaving Its Nest 



Deer 



159. Coyote 



160. Gray Squirrel 



161. Young Gray Squirrel 



162. Young Foxes 



163. Bat Hibernating 



164. Brown Bat 



165. Flying Squirrel . 



166. Deer Mouse 



167. Sea Lions . 



168. Stomach of Sheep 



169. Skunk 



170. Young Rabbits . 



171. Elk . 

 1 72. Virginia Deer 



173. Fawns of the Virginia 



174. Coon . 



175. Young Woodchucks 



176. Camel ; the Ship of the Desert 



177. Buffalo .... 



178. Alimentary Canal of Frog . 



179. Alimentary Canal of Man . 



180. Tongue .... 



181. Taste Cells 



182. Milk Teeth 



183. Permanent Teeth 



184. Pear-Shaped Human Stomach 



185. X-Ray Photograph of Human Stomach 



186. X-Ray Photograph of Appendix and Part o 



187. Gastric Gland ..... 



188. Microphotograph of Stomach 



189. Diagram of Villus .... 



190. Home-Made Apparatus to Show Osmosis 



191. Skeleton 



192. Microphotograph of Bone . 



193. Diagram of Bone Structure 



194. Cartilage 



195. X-Ray of a Normal and a Broken Elbow 



196. X-Ray of Hand of Child . 



197. X-Ray of Hand of Adult . 



198. Broken Femur ..... 



199. Same Bone Ten Weeks Later . 



200. Muscles of Upper Leg 



f Large In 



testine 



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