536 



GENERAL BIOLOGY 



Grafting wax 



Grasshopper 113 



Grasshopper eggs 



Green plants 



Gregarine 



Group development 



Groups of organisms 



Group radiation 



Growing point 



Growth habit 



Guard cells 



Guest gall-flies 



Guide marks 



Guide streaks 



Guinea pigs 



Gymnosperms 



Gypsy moth 



Gyrinus 



PAGE 



523 



.343 

 45 



.37 

 "3 

 242 



220 



239 

 129 



373 



J 43 



45 



33 



12 



314 

 152 



399 

 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Historical documents .... 492 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 



396 



487 

 486 

 326 

 485 



; 495 



37,3" 



i57, 164,354,471 



33 



33 



- 372 

 136, 138 

 . . 426 

 ... 96 

 24,42 



Host 



Human brain 



Human hand 



Human population . . . 



Human species 



Humming-bird flowers 



Hunter stage 



Husbandry ...."..:. 

 Hybrids. . . 



Hydra 



Hydranth . 



Hydroid 



Hydrophytes . . . 

 Hydroscopic cells 



Hyla 



Hymenium .... 

 Hymenoptera . . 

 Hymenopterous gall makers 43 



Hyoid apparatus 181 



Hyoid bone 204 



Hyper-parasites 399 



Hypertrophy 367 



Ideal condition of society 326 



Ids 301 



Imago 344 



Imitation 519 



Implements 496 



Incisor teeth 259 



Inclusions 59 



Income 91 



Indian corn 51 



Indian pipe 397 



Infancy 489 



Infundibulum 200 



Inheritance 295 



Inheritance of acquired 



characters 318 



Insects 17 



Instincts 473 



Integuments 153 



Intensified inheritance ... 310 



Intercommunication .... 442 



Interdependence 4, 7, 368 



Intergradation 264 



Intermediate forms 91 



Internal gills 411 



Internal secretions 443 



Intestine 197 



Inventor stage 497 



