294 



INDEX. 



231, 237, 246, 247, 259, 275, 280- 

 282, 287. 



Larva, coarctate stage of, 158, 159. 



grub, 68, 144, 150, 163, 165, 167, 



236, 247, 267, 275, 279-282, 287. 



helpless, 239, 240, 244, 245. 



Thysanuriform, 50, 54, 58, iio- 



112, 142-144, 166, 167, 177, 221, 273, 

 275, 276, 278-282, 285. [See De- 

 scriptions of types.] 



Larvae, adaptations of, 280. 



Larval life, functions of, 278. 



stage, quiescent, 276. 



Latreille, 250. 



Law of acceleration in development, 

 112. [See Acceleration.] 



heredity. [See Heredity.] 



replacement, 284, 286. 



use, 40. 



variation, 159. 



Leaping-legs, 27, 107, iii, 270. [See 

 Legs.] 



Leaping mice, 28. 



Lecanium, 138. 



Le Conte, 125. 



Legs, 56, 98, 103, 104, 106-109, 121, 

 123, 133, 134, 139. 140, 149. 155, 

 158-160, 162, 163, 167, 174, 182, 

 183, 196, 202-204, 212, 214, 218, 



220, 231, 233, 240, 242, 243, 247, 

 259, 262, 272, 283. [See Descrip- 

 tions of types.] 



Lepidoptera, 21, 51, 66, 68, 185, 190, 



221, 245, 257, 274, 282, 285, 287. 

 Lepisma, 47, 49, 53, 54, 59. 67. 



saccharina, 66. 



Lepismaform, 54. 

 Lepismatidae, 66. 



Leucania unipuncta, 205. 

 Leucanthiza, 202. 

 Leydig, 21. 

 Libellula pulchella, 73, 77. 



quadrupla, 77. 



trimaculata, 73, 81, 84. 



Libellulidae, 73. 

 Light-giving organs, 151. 

 Ligiila, 25. 

 Limenitis, 23, 219. 



Disippus, 22. 



Lincecum, 242. 

 Linear treatment of types, 63. 

 Lintner, 148. 



Liquid-secreting glands, 116. 

 Lithocolletis, 202. 

 Lizards, 57. 

 Lobster, 11, 25. 

 Locomotion, 28, 29, 83, 139. 



Locust, lubber, 8, 41. 



red-legged, 35, 109. 



Rocky Mountain, 24, 42, 109. 



yellow-striped, 8, 9. [See Calop- 



tenus.] 

 Locustarians, wingless, 9. 

 Locusta viridissima, 34. 

 Locustidae, 9, 33, 51, 108. 

 Longicorns, 163. 

 Loopers, 204. 

 Lubbock, 23, 46, 48, 50, 70, 142, 168, 



224, 225, 240, 277, 281, 282, 286. 

 Lycaenidae, 183, 203, 218. 

 Lycosa, 174. 



M. 



Machilis, 47. 



Macrodactylus subspinosus, 151. 



Macrosila quinque-maculata, 208. 



Maggot, 244, 273, 281, 282, 287. 



Magnifiers, 248. 



Mallophagidae, 98. 



Mamestra, 207. 



Mandibles, 51, 109, 156-158, 161, 

 165, 173, 174, 231, 233, 238, 240, 

 243, 247, 259, 260. [See Descrip- 

 tions of types and Mouth parts.] 



Mantidae, iii, 278. 



Mantispa, 170, 174, 177. 



Marceilus, 216-218. 



Marey's flying-machine, 32. 



Mask, 80-82. 



Massachusetts, 92, 133, 159. 



Maxillae, 161, 173, 259, 260. [See De- 

 scriptions of types and Mouth 

 parts.] 



Maxillar>' palpus, 24, 25. [See Palpi.] 



May-beetle, 145. [See Beetles.] 



Mayer, 49. 



May-flies, 51, 56, 58, 69, 70, 71, 91, 

 166. 



McCook, 240. 



Meadow grasshopper, 108, 109. 



Mealy bugs, 141. 



Measuring-worms, 204. 



Mecoptera, 176, 177, 182. 



Meinert, 66. 



Meloe, 159, 167, 280. 



Meloidae, 157, 160. 



Melophagus ovinus, 272. 



Mentum, 25. 



Mesothorax, 97, 106, 107, 109, 124, 

 127, 128, 132, 135, 162, 163, 168, 

 196, 242, 243, 264, 265. [See De- 

 scriptions of types.] 



epimerum of, 15. 



episternum of, 15. 



