424 



INDEX 



Glycerophosphoric acid, 40 



Glycogen, 57, 147; oxidation in muscles, 

 158 



Goblet cells. 111, 153 



Gonads, 128, 210, 236; relation to peri- 

 toneum, 130 



Gonangium, 186 



Goniatite, 331; suture of, 330 



Gonium, 87, 88, 90, 93; reproduction of, 

 190 



Gonium pectorale, 88, 89, 175 



Gonium socials, 88, 89 



Gonoducts, 128 



Gonophores, 99, 100 



Gonotheca, 97 



Gopherus agassizii, range of, 290 



Gopherus berlandieri, range of, 290 



Gopherus polyphemus, range of, 290 



Gorgonacea, classified, 269 



Gorillas, 335 



Grantia, 65 



Gray fox, range of, 292 



Greeks, 7, 8; ideas of evolution among, 

 339 



Gregaloid colony, 85 



Gregarines, 85, 172, 177; spore formation 

 in, 178 



Gregarinida, classified, 268 



Grew, Nehemiah, 14 



Ground squirrels (see Spermophile) 



Grouse, spruce, range of, 292 



Growth, 48, 59 



Gruber, 66 



Gruiformes, classified, 271 



Guanaco, 329 



Guinea-pig, 243; albino, 243; birth stages 

 in, 201; black, 243; color in, 243; 

 inheritance of color, 243-247; in- 

 heritance of rough and smooth coat, 

 247-250; mutation in, 347; smooth- 

 coated, 243. 



Habitat, 3, 316. (See also Associations 

 and Environment.) 



Hsemosporidia, classified, 268 



Hagfishes, classified, 273; hermaphrodi- 

 tism in, 190 



Halibut, 107 



Halysites, 311 



Haplozoon lineare, 85, 86 



Hare, prairie, range of, 292 



Harmful characteristics, 360 



Harvey, William, 12, 13 



Head of sperm, 215 



Heart, chambers of, 123-125; control of, 

 163; four-chambered, 124; muscle, 

 156; structure of, 123-125; three- 

 chambered, 125; ventricle of, 120 



Heidelberg, 336 



Heidelberg man, 336 



Heliozoa, 81 ; classified, 268 



Helminthologist, defined, 267 



Helodrilus foetidus, 184, 185 



Hemiptera, classified, 270 



Hemoglobin, 54, 148, 149, 150, 151 



Herbivorous animals, 281 



Hereditary characters, 79 



Hereditary constitution, 241 



Hereditary formula, 241, 244 



Heredity, 23, 27, 29, 68, 74, 188, 239; 

 cytoplasm in, 255; definition of, 256; 

 in man, 259; material of, 28; mech- 

 anism of, 254; Mendelian, 344 



Hermaphrodite, 184 



Hermaphroditism, 184, 190, 191; copu- 

 lation in, 191; fertilization in her- 

 maphroditic animals, 190 



Hermit crab (see Eupagurus pubescenc) 



Herpetologist, defined, 5, 267 



Hertwig, Richard, 187; definition of fer- 

 tilization, 187 



Hesperornithiformes, classified, 271 



Heterocoela, classified, 269 



Heteromita lens, 176; reproduction of, 

 190 



Heteromorphes, 262 



Heterotricha, classified, 268 



Heterozygote, 242, 347 



Heterozygous, 242 



Hexactinellida, classified, 269, 272 



Hexiology, 275 



Higher types, morphology of, 105-142 



Hind limbs, 137 



Hippocampus (see Sea horse) 



Hirudinea, classified, 269, 273 



Histology, 2 



Holocephali, classified, 270 



Holostei, classified, 270 



Holothurioidea, classified, 269, 272 



Holotricha, classified, 268 



Homocoela, classified, 269 



Homo heidelbergensis, 336 



Homolecithal eggs, 214; cleavage in, 

 217-218 



Homolecithal embrj^os, gastrulation in, 

 220 



