VI 



CONTENTS. 



SECTION TAGE 



211. Nerves of Mammals 146 



212. Sympathetic System 181 



213. Organs of Touch 186 



214. Organ of Taste 190 



215. Organ of Smell ..204 



216. Organ of Hearing 219 



217. Organ of Sight 246 



A. Eye-ball 246 



B. Appendages . 258 



C. Parallel between Eye and Ear 263 



CHAPTER XXIX. 

 DENTAL SYSTEM OF MAMMALIA. 



218. General Characters of the Teeth 265 



219. Teeth of Monophyodonts . . 271 



A. Monotremata 271 



B. Bruta . * 272 



C. Cetacea 276 



220. Teeth of (non-ungulate) Diphyodonts . . .... 283 



A. Sirenia 283 



B. Marsupialia 285 



C. Rodentia 294 



D. Insectivora 301 



E. Quadrumana 313 



F. Bimana 322 



G. Carnivora 327 



221. Teeth of Ungulate Diphyodonts 340 



A. Homologies of the Grinding Surface of Molars .... 340 



B. Artiodactyla 343 



C. Perissodaetyla . 352 



D. Proboscidia 359 



222. Homologies of Teeth 366 



CHAPTER XXX. 

 ALIMENTARY CANAL AND APPENDAGES OF MAMMALIA. 



223. Mouth 



224. Salivary Glands . 



225. Alimentary Canal of Lyencephala 



226. Alimentary Canal of Rodentia 



227. Alimentary Canal of Insectivora 



228. Alimentary Canal of Cheiroptera 



229. Alimentary Canal of Quadrumana 



230. Alimentary Canal of Bimana 



231. Alimentary Canal of Carnivora 



383 

 396 

 410 

 420 

 427 

 428 

 429 

 434 

 •142 



