CONTENTS. XI 



ARTICLE X. 



EPIDERMIS, Distribution, Form, Structure, and Development of, 247. 

 Epidermis of the White and Coloured Races, 250. Destruction and 

 Renewal of Epidermis, 250. 



ARTICLE XL 

 The NAILS, Structure of, 253. Development of, 255. 



ARTICLE XII. 

 PIGMENT CELLS, Structure and Varieties of, 257. 



ARTICLE XIII. 



HAIR, Form of, 263. Size of, 264. Structure of, 264. Growth of, 

 271. Regeneration of, 272, Nutrition of, 273. Distribution of, 274. 

 Colour of, 276. Properties of, 277. The Hair of different Ani- 

 mals, 278. 



ARTICLE XIV. 



CARTILAGES, 281. True Cartilages, 281. Fibro-Cartilages, 285. Nu- 

 trition of Cartilage, 287. Growth and Development of Cartilage, 289. 



ARTICLE XV. 



BONE, Structure of, 294. Growth and Development of, 303. Acci- 

 dental Ossification, 313. 



ARTICLE XVI. 



TEETH, Structure of, 314. Development of, 319. Caries of, 325. 

 Tartar on, 326. 



ARTICLE XVII. 



CELLULAR or FIBROUS TISSUE, 327. Inelastic or White Fibrous 

 Tissue, 328. Elastic or Yellow Fibrous Tissue, 329. Development 

 of Fibrous Tissue, 334. 



ARTICLE XVIII. 



MUSCLE, 336. Structure of Muscle, 337. Structure of the Unstriped 

 Muscular Fibrilla, 337. Structure of the Striped Muscular Fibre, 339. 

 Union of Muscle with Tendon, 346. Muscular Contraction, 346. 

 Development of Muscle, 351. 



ARTICLE XIX. 



NERVES, 356. Structure of, 356. Cerelro- Spinal System. Secreting 

 or Cellular Structure of, 356. Tubular Structure of, 359. Sympa- 

 thetic System, 361. Gelatinous Nerve, Fibres of : 362. Structure of 



