478 



INDEX. 



Graafian follicle, chick, 222, 310 

 Grey matter, of epinal cord of 

 chick, 253; of brain of mam- 

 malia, 387 

 Growth of embryo of chick, 70 

 Guinea-pig, structure of blasto- 

 derm of, 323; relation of em- 

 bryonic layers of, 323 ; inver- 

 sion of the layers in, 341 



Hffimatoxylin, to make and use, 

 429 



Hairs, 365 



Hardening reagents, 425 — 428; 

 picric acid, 425 ; corrosive sub- 

 limate, 426 ; osmic acid ; 427 ; 

 chromic acid, 427 ; absolute 

 alcohol, 428 ; the necessity of, 

 428 



Head of chick, 200 ; of rabbit, 



331 



Headfold of chick, 27 — 29, 33 — 37; 

 16 to 20 hours, 60 ; 20 to 24 

 hours, 66 ; of second day, 77 ; 

 of mammal, 329 



Heart of chick, 229 — 230, 256 — 

 264; formation 0^82 — 89, 102; 

 beating of, on second day, 89 ; 

 of third day, 167; auricles, 

 259 — 262; ventricles, 260 — 262; 

 auricular septum, 257 — 262; 

 ventricular septum, 257 ; canalis 

 reuniens, 257 — 259; bulbus ar- 

 teriosus, 257 — 262 ; foramen 

 ovale, 262 — 264 ; Eustachian 

 valve, 263 — 264 ; circulation in, 

 263 — 264; structure of, 287 — 

 289, 293 — 297 ; rgsum6 of, 299 



—303 

 Heart of mammals, 329; struc- 

 ture of, 331 ; formation of, 406; 

 comparison of, with birds, 407 

 Hemiazygos vein, mammalia, 412 

 Hen : formation of albumen in, 

 16 ; ovarian follicle of, 12 — 15 ; 

 mesovarium of, 11; ovary of, 

 11; ovarian ovum of, 11, 15; 

 oviduct of, 15 ; epoophoron, 

 paroophoron and oviduct, 224 



Hen's egg, albumen of, 3, 16; 

 blastoderm, 7 — 10, 26, 27: 

 chalazsB, 4 ; oicatricula, 4 ; im- 

 pregnation of, 17 ; laying of, 

 17; polar bodies of, 17; seg- 

 mentation of, 1 8 — 24 ; vitelline 

 membrane of, 4, 13 — 15 ; yolk 

 of, 4 — 7 ; chorion of, 47 ; shell 

 of, I, 16; irregular develop- 

 ment of, 48, 49 ; segmentation, 

 cavity of, 50 



Hepatic cyhnders of chick, 179; 

 circulation of chick, 227; veins, 

 288 — 290 



Hind brain: of chick, loo; of 

 rabbit, 329 ; of mammals, and 

 birds, 367 — 370; medulla of, 

 367 ; cerebellum of, 367 — 370 



Hippo-campus major, mammalm, 

 380 



Hippo-campal fissure of cerebrum 

 of mammalia, 385 



Histological differentiation, in 

 chick, 269 — 273 ; of epiblast, 

 269, 271; of hypoblast, 269; 

 of mesoblast, 269 



Histology of placenta, 359 



Holoblastic segmentation, 307 



Human embryo: villi of, 335; 

 early stages of, 335 ; allantois 

 0^,336—340; yolk-sac of, 336— 

 340 ; medullary plate of, 337 ; 

 amnion of, 338 — 340; cranial 

 flexure of, 338 — 340; limbs of, 

 339; body flexure of, 339— 

 340 ; face of, 340 ; relation of, 

 with other mammals, 341 ; pla- 

 centa of, 355 



Human ovum, size of, 307 



Human placenta, histology of, 

 363 ; derivation of, 364 



Humerus, chick, 234 



Hyaloid membrane, chick, 144, 

 146 



Hyoid arch of chick, 243 — 245 ; 

 of rabbit, 334; of mammalia, 

 403—404 



Hyoid bone of chick, 245 



Hypoblast of chick : formation of, 

 25, 51 > 59; derivation of, 26; 

 of area opaca, 65; histological 



