LIST OF ILLUSTRATIONS xvii 



FIGURE PAGE 



233. From a section of red marrow of a human bone .... 220 

 234. Types of cells from a smear preparation of the marrow of a human 



rib 221 



235. Subcutaneous lymphatic vessel of a fetal pig . . . . 227 



236. The growing end of a developing lymphatic vessel in the subcutane- 

 ous tissue of a fetal pig ....... 228 



237. Lymphatic and blood vessels in the hilum of a human lymph node . 229 

 238. Lymphatic capillary from the spermatic cord of a dog, showing nerve 



endings 230 



239. Transection of the pericardium of a child 232 



240. Section of a vascular synovial villus from the knee joint of a 



child .233 



241. A lymph nodule, solitary follicle, from the large intestine of man . 234 



242. Diagrammatic illustration of a lymph node .... 236 



243. Transection of a cervical lymph node of a dog .... 237 



244. Transection of a mesenteric lymph node of a man . . . 237 



245. Diagram of the blood vessels of a lymph node .... 238 



246. Section of human hemolymph node (" splenolymph gland") . . 240 



247. Horizontal section through the faucial tonsil of a child . . . 241 



248. From a crypt of a dog's tonsil 243 



249. The lingual tonsil of man 244 



230. Portion of spleen of cat, showing capsule (above and at left) and 



five splenic nodules ........ 246 



251. Diagram of a lobule of the spleen 247 



252. The origin of a vein in the splenic pulp 248 



253. Types of cells from a smear preparation of the pulp of the human 



spleen 249 



254. Diagram of a mucous membrane having simple tubular glands . 252 



255. Diagrams of the principal types of glands 253 



256. Transection of three secreting tubules of the submaxillary gland of 



man 255 



257. Model of a reconstruction of the lacrimal gland of man . . 258 

 258. Reconstruction of a mucous gland from the respiratory region of the 



nasal mucosa of a child 259 



259. Reconstruction of an intralobular duct dividing into its terminal 



intercalary ducts and acini 259 



260. Epidermis of the foot -.263 



261. Section of thin skin from abdomen of negro, showing the distribu- 

 tion of the pigment granules in dermal and epidermal cells . 264 

 262. Section of thin skin from abdomen of light brown mulatto . . 264 

 263. Skin from sole of human foot, showing spiral ducts of two sweat 



glands opening through the epidermis ..... 266 



264. Transection of the epidermis of the foot ..... 267 



