LIST OF ILLUSTRATIONS. XXIX 



FIG. PAGE 



195. Diagram of the Development of a Milk-tooth ; after Goodsir, . . 485 



196. Tooth-sac of Incisor of a Foetus, ...... 488 



197. Surface of Dentinal Pulp of an Infant, ...... 489 



198. Transverse section of Human (Esophagus, .... 501 



199. Muscular-fibre Cells from (Esophageal Mucous Membrane, . . .501 



200. Stomach of Man, . ....... 503 



201. Muscular-fibre Cells from Small Intestine, ..... 504 



202. Bloodvessels of Smooth Muscles of Intestine, . . . . 505 



203. Perpendicular section through Tunics of Pig's Stomach, . . . 506 



204. Mucous Gastric Gland of a Dog, ...... 507 



205. Vessels of Large Intestine of a Dog, ...... 510 



206. Section through the Walls of a Calf's Ileum, . . . .512 



207. Intestinal Villus of a Young Kitten, . . . . . .512 



208. Vessels of Villi of the Mouse; after Gerlach, .... 513 



209. Villi without Epithelium and with a Lacteal, . . . . .513 



210. Intestinal Villi of the Cat, ....... 514 



211. Villi with the Epithelium, from the Rabbit, ..... 515 



212. Lieberkuhnian Glands of the Pig, ...... 519 



213. Peyer's Patch, in Man, . . . . . x .521 



214. Portion of a Peyer's Patch of an Old Man, .... 521 



215. Horizontal section from the middle of Peyer's Follicle of the Rabbit, . 522 

 210. Solitary Follicle from the Small Intestine; after Bohm, . 523 



217. Solitary Follicle from the Colon of a Child, . . . . .525 



218. Segment of a Pig's Liver, . . ..... 530 



219. Portal Vessel of the Pig; after Kiernan, . . . . .530 



220. Hepatic Cells of Man, ....... 532 



221. Hepatic Cell-network, ........ 533 



222. Hepatic Cell-network and its capillaries, ..... 542 



223. Hepatic Veins of the Rabbit, . . . . . . .542 



224. Arterial Network upon surface of a Child's Liver, . . . 545 



225. Vessels f the Pancreas of a Rabbit, ...... 550 



226. Section through the middle of the Spleen of an Ox, . . . 551 



227. Fibres from the Pulp of Human Spleen, . . . ... 552 



228. Artery covered with Malpighian Corpuscles from Spleen of Dog, . 553 



229. Malpighian Corpuscles from Spleen of an Ox, ..... 554 



230. Contents of a Malpighian Corpuscle, ..... 554 



231. Blood-corpuscle-holding Cells and their Metamorphoses, . . . 559 



232. Artery from the Spleen of a Pig, ...... 563 



233. Ciliated Epithelium from the Human Trachea, . . . .571 



234. Vertical Section through Anterior 'Wall of Human Trachea, . . 573 



235. Lymphatics in the Tracheal Mucous Membrane of Man, . . . 574 



236. Pulmonary Lobules from a Child, ...... 575 



237. External Surface of the Lung of a Cow, ..... 577 



238. Human Air-cell, ........ 579 



239. Capillary plexus of Human Air-cell, ....... 581 



240. Gland-vesicles from the Thyroid Gland of a Child, . . .586 



241. Gland-vesicles of Thyroid filled with Colored Matter, . . . 587 



242. Portion of Thymus of a Calf, ...... 590 



243. Half of Human Thymus, . . . . . . .590 



244. Section of an injected Lobule of Thymus of a Child, . . . 591 



245. Vertical section of an injected Rabbit's Kidney, .... 597 



246. Tubuli Uriniferi of Man, ....... 599 



247. A Malpighian Corpuscle, ....... 599 



248. From the Human Kidney ; after Bowman, .... 603 



