474 



INDEX 



Gyrinidse, eyes of, *3i 

 Gyrinus, locomotion of, 188 ; respira- 

 tion, 189; tracheal gills, 135 



Haase, 411, 412, 419, 435, 450 



Haemolymph, 127 



Hagen, on Termes, 318; 409, 434, 

 435, 445, 446 



Hagens, von, 419 



Hairs, development of, *76 ; functions, 

 76 ; histology, *76 ; modifications, 

 *75, 76 ; pollen-gathering, *26g ; pro- 

 tective, 298 ; tenent, *8o 



Halisidota, distribution of, 379 



Haller, 435 



Halobates, 191, 366 



Halteres, 58, 116 



Hamilton, on holarctic beetles, 375, 

 462 j 



Hammond, 417, 444 



Hamuli, 58 



Hansen, 412, 413, 415 



Harpalus, labium of, *39 ; maxilla, ^38 



Harris, 402, 465 



Hart, 446 



Hartman, 461 



Hatching, 161 



Hatschek, 439 



Hauser, on smell, 98, 427 



Haviland, on termites, 320 



Hawaii, beetles of, 372 ; Hymenop- 

 tera, 373 



Hayward, on stridulation, 106 



Head, 28 ; segmentation of, 44, *46 



Hearing, 106 



Heart, *i25, *i26 



Heath, on Termopsis, 318; 458 



Heer, on fossil insects, 385, 389, 464 



Heider, 440, 441, 444 



Heilprin, 463 



Heim, 454 



Heinemann, 433 



Heliconiidae, mimicry, 225 



Heliophila, 383 



Helm, 429 



Hemelytra, 58 



Hemerocampa, parasites of, 312 



Hemimeridse, n 



Hemimerus, *io; hypopharynx of, *4O 



Hemiptera, defined, *i 6;. mouth parts, 

 40, *4i ; odors, 82 ; origin, 23 



Henking, 438, 440, 441 



Henneguy, 410 



Hensen, 426 



Henshaw, 409, 465 



Henslow, on self-adaptation, 243, 452 



Heptagenia, hypopharynx, *4o 

 Hermaphroditism, 143, *i44 



Hesse, 429 



Hessian fly, losses through, 393 



Hetatrius, 343 



Heterocera, defined, 18 



Heterogeny, 145 



Heterometabola, 157 



Heterophaga, 21 



Heteroptera, defined, *i6; spiracles of, 

 66 



Hexagenia, 13, *i4; male genitalia. 

 *7i ; tracheal gills, *i34 



Hexapoda, defined, 4 



Heymons, 412, 413, 420, 438, 442 



Hicks, on olfactory pits, 101 



HicKson, 427 



Higgins, 446 



Hilton, 423 



Hind intestine, *ii7, *i20 



Histogenesis, 180 



Histolysis, 180 



Hoffbauer, 417 



Holarctic realm, 375 



Holcaspis, galls of, *2$4 



Holmes, 461 



Holmgren, 416, 425, 436, 439 



Holometabola, 156 



Holopneustic, 134, 188 



Holoptic, *33 



Homoptera, defined, 16 



Honey, 326 



Honey ants, 336, *337 



Honey bee (see Apis mellifera) 



Hopkins, A. D., 405 



Hopkins, F. G., on pigments, 196, 

 447, 448 



Hoplia, sexual coloration of, 207 



Horn, on Cicindela, 214 



House fly (see Musca} 



Howard, on Crioceris, 381 ; economic 

 entomology, 402, 407 ; parasitism, 

 312; 410, 456, 457, 458, 463, 465 



Hubbard, on parasitism, 313 



Huber, on wax, 322 



Hudson, 462 



Humboldtia, 275 



Hunter, 410 



Hutton, 413 



Huxley, on aphids, 238; 414, 437 



Hyaloplasm, 88 



Hyatt and Arms, quoted, 22 ; on accel- 

 eration of development, 178; 410, 

 412, 443, 444 



Hybernia, 196 



Hydnophytum, *275 



Hydrophilus, 18, *2O, *i8s ; antennae, 

 35 ; leg, *i87 ; locomotion, 186 ; male 

 genitalia, *7i ; respiration, 189 



Hydrotropism, 346 



