540 



GENERAL BIOLOGY 



PAGE 



Grafting wax 523 



Grasshopper . 113, 343 



Grasshopper eggs 45 



Green plants 370 



Gregarine 113 



Group-development 242 



Groups of organisms 220 



Group radiation 239 



Growing point 129 



Growth habit . < 373 



Guard cells 143 



Guest gall-flies 45 



Guide marks .' 33 



Guide streaks 12 



Guinea pigs 314 



Gymnosperms 152 



Gypsy moth 399 



Gyrinus 386 



Habit 483 



Haemoglobin 177 



Hairs of bees 23 



Halesus 475, 476, 478 



Half embryos 358 



Hand 486 



Harmony 509 



Hawk 480 



Head 17 



Head Kidney 204 



Heart 187 



Heat 85 



Hemiptera 21,42,43,51 



Hemipterous gall makers . 42 

 Hemispheres of brain . .457, 462 



Heptagenia 244 



Herbivores 379 



Hereditary diseases 318 



Heredity 259, 289 



Hermaphroditism 169 



Heterogeneous inheritance 310 



Hertwig 299 



Hibernation 376 



Historical documents .... 492 



History of germ cells 296 



Homology 223,233, 258,264 



Honey bee 19 



Honey dew 48, 5 1 



Hormones 443 



Horse 250 



Horsetail 136 



PAGE 



Host 396 



Human brain 487 



Human hand 486 



Human population 326 



Human species 485 



Humming-bird flowers ... 1 2 



Hunter stage . . 495 



Husbandry 51, 496 



Hybrids .307,311 



Hydra >. . . 157, 164,354,471 



Hydranth 330 



Hydroid 330 



Hydrophytes 372 



Hydroscopic cells 136, 138 



Hyla 426 



Hymenium 96 



Hymenoptera 24, 42 



Hymenopterous gall makers 43 



Hyoid apparatus 181 



Hyoid bone 204 



Hyper-parasites 399 



Hypertrophy 367 



Ideal condition of society 



Ids 



Imago 



Imitation 



Implements 



Incisor teeth 



Inclusions 



Income 



Indian corn 



Indian pipe 



Infancy 



Infundibulum 



Inheritance 



Inheritance of acquired 



characters 



Insects 



Instincts 



Integuments 



Intensified inheritance . . . 

 Intercommunication .... 



Interdependence 4, 7, 



Intergradation 



Intermediate forms . ' 



Internal gills 



Internal secretions 



Intestine 



Inventor stage 



326 

 3oi 

 344 



5I ? 



496 



2 59 



59 



9 r 



5 1 



397 



489 



200 



295 



17 

 473 

 J 53 

 310 

 442 

 368 

 264 



9i 

 411 



443 

 197 



497 



