394 



INDEX 



Hypognathous, 9 

 Hypopharynx, *2 9 , 31, * 3 4 



Icerya, 335 



Ichneumonidae, *255 



Ihering, von, 348 



Ileum, *g6 



Imaginal buds, *i48, *i4Q 



Imago, 126 



Incomplete metamorphosis, 126 



Indirect metamorphosis, 126 



Ingenitzky, 364 



Injurious insects, 325; introduction of, 328 



Ino, antennal sensilla of, *;6 



Inquilines, 198, 263 



Insecta, denned, 3 



Insectivorous birds, 221; fishes, 219; plants, 



199; vertebrates, 218 

 Inspiration, 112 

 Instar, 128 

 Instinct, 291; apparent rationality of, 292; 



basis of, 292; flexibility, 294; inflexibility, 



294; modifications, 293; origin, 295; 



stimuli, 292; and tropisms, 296 

 Integument, 56 

 Intelligence, 296 

 Interactions of organisms, 227 

 Intercalary, appendages, *i2i; neuromere, 



*36; segment, 36 

 Interglacial beetles, 323 

 Interrelations, of insects, 253; of orders, 17 

 Intima, *67, 68, *g6, *in 

 Iphiclides ajax, polymorphism of, 166 

 Iridescence, 159 

 Iris pigment, *87, *88 

 Iris versicolor, *202, *2O3 

 Irritants, 232 

 Isaria, 200 



Ischnoptera, mouth parts of, *29 

 Isia, cocoon of, 139; hairs, 60, 134; moults, 



133 



Island faunae, 304 



Isolation, 306 



Isoptera, 9 



Isosoma, 256 



Isotropic, 69 



Ithomiinae, mimicry, 185, 186 



ackson, C. F., 340 

 ackson, T. W., 378 

 acobi, 384 

 ames, W., 381 



anet, on Atelura, *282; muscles, *6g] 345, 

 348, 349, 352, 379, 380 

 Japyx, 7, 1 8; spiracles of, 52 

 Jaworovski, 358 

 Jennings, 382 

 Johnson, 373 



Judd, on food of bluebird, 223; mimicry, 191 ; 

 protective adaptations, 231; protective 

 resemblance, 181; warning coloration, 183; 

 374, 377 

 Jurassic insects, 319, 322 



Kallima, protective resemblance of, *i78 



Kanthack, 377 



Kapzov, 351 



Karsten, 349 



Kathariner, 382 



Katydid, stridulation of, 84 



Kellogg, on Mallophaga, 215; mouth parts, 



33; phototropism, 290; pilifers, *33; 



scales, 61, 159; swarming, 268; 340, 344, 



345, 346, 351, 372, 382 

 Kenyon, 342, 353 

 Kidney tubes, 98, *99 

 Kingsley, on Arthropoda, 6; 341, 342 

 Kjrby, 339, 340 

 Kirkland, 377 

 Klemensiewicz, 350 

 Kluge, 364 

 Kniippel, 357 

 Koch, on malaria, 236 

 Kochi, 345 

 Koestler, 353 

 Kolbe, 340 

 Kolliker, 352, 362 

 Korotneff, 365 



Korschelt, 363, 366, 367, 368 

 Koschewnikoff, 364 

 Kowalevsky, 357, 359, 365, 368 

 Kraatz, 348 

 Kraepelin, 344, 347 

 Krancher, 361 



Krause's membrane, *6g, 70 

 Krukenberg, on chitin, 58; 356, 370 

 Kulagin, 33; 345,366,368 



Labella, * 3 4 



Labial, neuromere, *36, 72, 124; segment, 36 



Labium, 23, *29, *3i, *34 



Labrum, 22, 28, *29, *33 



Lacaze-Duthiers, 347 



Lachnosterna, antenna of, *26; cocoon, 136; 

 larva, *i3i 



Lacinia, *2g, *3O, 31 



Lagoa, legs of, 43; stinging hairs, *6s 



Lamarck, on instinct, 295 



Lameere, 368 



Lamellate, *26 



Landois, 349, 350, 358, 359, 361, 363, 367, 370 



Lang, 344 



Langer, 345 



Langley, on luminosity, 106 



Lankester, 341, 342, 359 



Larvae, 126; adaptations of, 133; legs, 42; 

 nutrition, 134; parasitic, 258; types, 130, 

 *i3i 



Lasius, age of, 271; nest, 273; partheno- 

 genesis, 117 



Laveran, on malaria, 234; 378 



Leachia, eyes of, *24 



Leaping, 44 



Le Baron, 333 



Le Conte, 382 



Lee, on halteres, 92; 354 



