

4 8 9 



Hydro! ropism, 



// \di 



//V/./A//H//.V, 338 



Ilyltibins, glandular hairs of, *72 



Hvmrnoptrra, drlinrd, iX; , ,-p! 



10; internal nn-la 



tnorphosis, Ku; infuitli parts, *42; 



ocelli, 31; orii 



*56 

 1/y/njtns, 364 



H\ -pcrmrtamorphosis, 156 



I Ivprrparasitism, 274 



Ilypha- 



Hyphtinlriiii 246 



Ilypodcrnid, larva of, "142; lineata, habits 



of, 235; losses through, 411 

 Hypodermal colors, 174 

 Hypodermis, *67, *68 

 Hyp<>u r nathous, n 

 Hypopharynx, *35, 37, *38, *4i 



fcrrya, 428 



Ichneumonidae, *272 



Ileum, *io5 



Imaginal buds, *i6i, "162 



Imago, 137 



Imms, 477 



Incomplete metamorphosis, 138 



Incubation, 358 



Indirect metamorphosis, 137 



Ingenitzky, 451 



Injurious insects, 410; introduction of, 416 



I no, antennal sensilla of, *8$ 



Inquilines, 215, 281 



Insecta, denned, 4 



Insectivorous birds, 239; fishes, 237; plants, 

 216; vertebrates, 236 



Inspiration, 123 



Instar, 140 



Instinct, 313; apparent rationality of, 314; 

 basis of, 313; flexibility, 316; inflexi- 

 bility, 315; modifications, 315; origin, 

 317; stimuli, 314; and tropisms, 318 



Integument, 65 



Intelligence, 318 



Interactions of organisms, 379 



Intercalary, appendages, *i32; neuromere, 

 *43; segment, 44 



Interglacial beetles, 346 



Interrelations, of insects, 270; of orders, 20 



Intima, *~6, 106, *i2i 



sm of, 181 



'.'20, *22I 



.'46 

 , 217 



lira, 69, 146; hiberna- 

 tion. ;, 145 



d fann.i-, 326 

 ion, 328 

 Isnpt- ; 



mC <-<( l/.irmolita). 



78 



It homiina-. mimicry, 202, 203 

 Itimididse, galls of, 214; paedogenesis, 128 



Jackson, C. F., 431 



Jackson, T. W., 465 



Jacobi, 461, 472 



James, W., 468 



Janet, on Atelura, *3Oo; on muscles, *78; 

 43 6 > 439, 440, 442, 466, 467 



Japan, 415 



Japanese beetle (see Popillia). 



Japyx, g, 22] spiracles of, 60 



Jennings, 469 



Johannsen, 456, 465 



Johnson, R. H., 459 



Johnson, W. G., 426, 477 



Jordan, 436 



Jorschke, 445 



Judd, on food of bluebird, 242; mimicry, 

 208; protective adaptations, 245; pro- 

 tective resemblance, 198; warning col- 

 oration, 199; 460, 463, 464 



Jugum, 54 



Jurassic insects, 341, 345 



Kala-azar, 269 



K alii ma, protective resemblance of, "194 



Kanthack, 464 



Kapzov, 441 



Kathariner, 469 



Katydid, stridulation of, 93 



Kellogg, on Mallophaga, 233; mouth parts, 



40; phototropism, 310; pilifers, *4o; 



scales, 70, 172; swarming, jrSd: 



435, 436, 458 

 Kcnyon, 432. 443 

 Kidney tubes, *io8 

 Kielich, 44 j 

 Kilhoriu-, 269 



