720 



INDEX 



Lang, on metamorphosis of seventeen- 

 year Cicada, 698; on origin of coxal 

 from setiparous glands, 444 : on Peri- 

 patus, 9 ; on relation of myriopods to 

 insects, 17; on segmented structure of 

 arthropods, 32 ; on respiratory system, 

 430. 



Langley, on the light of the firefly, 426. 



Larva, defined, 599; Campodea-form, or 

 campodeoid, 600; growth of, 608; vo- 

 racity of, 608 ; eruciform, 705. 



Larvae, apodous, 103, 653. 



Larval insects, tracheal gills of, 466; 

 stage, 593. 



Latreille, on the median segment, 163 ; 

 metamorphism, 597 ; on the term pupa, 

 625. 



Latzel, on coxal sacs, 14. 



Layer, superficial protoplasmic, of egg, 

 524, 526; germ, formation of, 558. 



Leach, on ametabola, etc., 596. 



Leaping power, 219. 



Legs, abdominal, of lepidopterous larvae, 

 and larval sawflies, are they true legs ? 

 552 ; atrophy of, 102 ; mechanism of, 

 104 ; movements of, 105 ; muscles of, 

 215; post-embryonic development of, 

 653, 654 ; pulsatile organs in, 405. 



Lehrman, on organs of smell, 265. 



Leidy, on fojtid glands, 373. 



Lens, crystalline, 250, 251. 



Lendi-nfeld on flight, 149, 151, 159. 



Leon, on labial palpi of Hemiptera, 68; 

 tongue of Hemiptera, 73. 



Lepidoptera, embryology of, 537; eversi- 

 ble sacs of, 375 ; maxilla? of, 65, 67 ; 

 number of moults in, 616, 617; origin 

 of legs of imago, 654 ; paired oviducts, 

 491! ; pupas of, 628 ; testes of, 493, 495. 



Lepisma, 52; double sexual openings in, 

 486. 



Leptiform larvae, 600. 



Leptis, thorax of, 91. 



Leucarctia, 391. 



Leuciue, 3.VJ. 



Leucocytes, 407, 421, 650, 678, 680, 685; 

 size of, 407. 



l.cucopis, 113, 517. 



Leydig, on colors, 202, 204; on nerve-end 

 apparatus in the wing, 153; on organs 

 of smell, 2(>6; on tracheae, 432. 



Lihollnla, 463. 



Life, embryonic, length of, 582. 



Light of the firefly, 426; its use, 428. 



Ligula, 68. 



Limacocles scapha, 606. 



Limbs, homologies of, 39; mechanical 

 origin of, 34, 35 ; lost, reproduction of, 

 619; result of disuse of, 101. 



Limuephilus pudicus, 46 ; maxilla of, 65. 



Li mul us, 5. 



Liua, 374, 545, 546. 



Lingua, 68, 70. 



Lip, under, 68. 



Lipochrome, 206. 



Li po ue ura, 475. 



Lithocolletis, 618; its cocoon-cutter, 634. 



Litognatha nubilifasciata, 102. 



Lobe, axillary, 124; infra-anal, 183. 



Lobes, cesophageal, 237; antenna!, 237; 

 head, 514; procephalic, 544, 548; pro- 

 cerebral, 232. 



Lobulus, 124. 



Locomotion, 103; on smooth surfaces, 

 111. 



Locust, air-sacs of, 424, 456 ; brain of, 231 ; 

 caecal appendages of, 347 ; digestive ca- 

 nal of, 298 ; ear of, 288 ; head-segments 

 of, 546 ; mode of breathing, 451 ; hatch- 

 ing, 583 ; moulting of, 609 ; nervous sys- 

 tem of, 223; number of stages of, 595 ; 

 number of moults of, 616 ; olfactory 

 organs of, 272; oviposition of, 520; 

 rectal glands of, 318 ; reproductive 

 organs of, 488, 489. 



Locusta viridissima, rectal glands of, 

 318. 



Locy, on pulsatile organs in legs of Nepi- 

 dae, 405. 



Lonchodes, 521. 



Loop of wing, 122. 



Lophyrus, 59. 



Lora, 68. 



Lubbock, on color sense, 261; on vision, 

 256-258; on distribution of tracheae, 

 433. 



Lucanns, 59, 620; thorax of, 94; dama, 

 nervous system of, 225. 



Lucas, on segmental arrangement of 

 salivary glands. 337. 



Luciola, 424, 427, 451. 



Luna moth, its mode of escape from its 

 cocoon. (i."'. r ). 



Lutz, on blood, 275. 



Lycasna, .".si. 



Lymph, 206. 



LyoiH-t, on the imaginal buds, 656; on 

 wing-germs, 128. 



