XXIV LIST OP WOOD ENGRAVINGS. 



v 



FIG. PAGE 



336. Later Stages of Segmentation of Mammalian Ovum; after Coste, . . 931 



337. Section of Embryo Chick at end of first day of Incubation; after Kol- 



likor, 932 



338. Section of Embryo Chick on fifth day of Incubation ; after Kollikor, . 934 



339. Plan of First System of Vessels of Embryo ; after Kolliker, . . .934 



340. Diagram of Circulation of the Yolk-sac of the Chick at end of third day ; 



after Foster and Balfour, 935 



341. Embryonic Heart at an early period ; after Kolliker, .... 936 



342. Later Stage of Formation of Amnioii, and Origin of Allantois ; after 



Wagner, 937 



343. Completion of Amnion, and further Development of Allantois ; after Wag- 



ner, 937 



344. Diagram of Circulation in Human Embryo, as seen in Profile; after Coste, 939 



345. " ' " " front ; after Coste, . 939 



346. Plan of the Aorta and its Arches in the Embryo at an early period ; after 



Kolliker, 940 



347. Diagram of the Foetal Circulation ; after Erasmus Wilson, . . . 942 



348. Embryo of Dog at twenty-five days ; after Bischoff, 943 



349. Origin of the Liver from Intestinal Wall, in Embryo Chick, after Miiller, 944 



350. First Appearance of the Lungs ; after Wagner, ..... 945 



351. Urinary and Genital Apparatus in Embryo Chick ; after MUller, . . 946 



352. Section of Embryo Chick on the first day of Incubation ; after Kolliker, . 951 



353. " " " second day of Incubation; after Kolliker, . 952 



354. Plan of Chorda Dorsalis at period of formation of Vertebras ; after 



Kolliker, . 953 



355. Plan of Vertebra at an early period of Development; after Kolliker, . 953 



356. Typical Vertebra and Thoracic Vertebra of Bird; after Owen, . . . 955 



357. Plan of Cartilaginous Basis Cranii ; after Huxley, ..... 956 



358. Plan of Transverse Section of Anterior Portion of Primordial Basis Cranii ; 



after Huxley, 956 



359. Plan of Head of Human Embryo at the close of the third week ; after 



Huxley, .... 958 



360. Plan of Head of Human Embryo at the close of the fifth week ; after 



Huxley, . . . . 958 



361. Plan of the First and Second Visceral Arches of Human Embryo; after 



Huxley, ... 958 



362. Development of Cerebral Vesicles ; after Foster and Balfour, . . . 959 



363. Encephalon of Human Embryo at twelfth week; after Tiedemann, . . 961 



364. Plan of Development of Eye ; after Kolliker, ... . 962 



365. Diagram of Comparative Viability of Male and Female; after Quetclet, . 967 



366. " " Heights and Weights of Male and Female ; after 



Quetelet, .968 



367. Distribution of Milk-ducts in Mammary Gland ; after Sir A. Cooper, . 971 



368. Termination of Milk-duct in cluster of Follicles; after Sir A. Cooper, . 971 

 30'.. Ultimate Follicles of Mammary Gland, with Secreting Cells; after Lebert, 971 



370. Microscopic Appearance of Human Milk ; after Funke, .... 974 



371. Profile and Basal Views of Prognathous Skull of Negro; after Prichard, 991 



372. Front and Basal Views of Pyramidal Skull, of Esquimaux; after Prichard, M!)2 



373. Oval Skull of European ; after Prichard, .... . 992 



