716 



INDEX 



Embryonic, post-, changes, 050. 



Emery, on homologies of the tracheae, 



443; on the firefly, 424, 427. 

 Empodium, 97, 111, 116. 

 Empretia stimnlea, 192. 

 Encyrtus, 55, 171 ; post-embryonic changes 



in, 663. 



Endochorion, r )20. 

 Eudoderm, 534, 561. 

 Endomesoderm, 542. 

 Endosternite, 94. 

 Endotrachea, 432, 448. 

 Entomoline, 29. 

 Entothorax, 92. 

 Environment, 463. 

 Ephemera, circulation in, 409; double 



sexual openings of, 489; nymph of, 



laciuia of, 61 ; thorax of, 91. 

 Ephemerella, 460. 

 Ephemeridae, 459, 460; double genital 



openings of, 492; gills of, 460; rectal 



respiration in, 404. 

 Ephydra, 36, 553. 

 Epicauta, life-history of, 692. 

 Epilabrum, 13. 

 Epimerum, 89. 

 Epiopticon, 231, 253. 

 Epipharynx, 43, 54. 

 Epipleurum, 124. 

 Episternum, 88. 

 Erichson on sense of smell, 266. 

 Eriocephala calthella, mandibles of, 62 ; 



maxilla; of, 08. 

 Eristalis, 189, 461. 



Eruciform type of larva, 602, 605, 705. 

 Escherich, on male genital organs of 



beetles, 495. 



Euphsea, lateral gills of, 468, 477. 

 Euphoria inda, moulting of, 611. 

 Eupolus, 113. 

 Eupsalis minuta, 103. 

 Eversible sacs, 475. 

 Excretion, denned, 327 ; process of, 



328. 



Excretory system, 348. 

 EXIHT, on vision, 258. 

 Exochorion, 520, 534. 

 Exnvia, 009. 

 Exuvium, 009. 



Eye, 249; acone, 251; buds, 665; com- 

 pound, 250; embryonic development 

 of, 51)7; eucone, 251, 252; facetted, 

 origin of, 255; glazed, 029; pseudo- 

 cone, 251, 252; simple, 249. 



Fabre, on life-history of Sitaris, 69. 

 Facet, 250. 



Facets, number of, 249. 

 Facetted eye, origin of, 255. 

 Faivre, on function of brain, 244. 

 Fat, amount of, in caterpillar, 644. 

 Fat-body, 419; concretions in, 420 ; de- 

 struction and reformation of, in mus- 

 cids during metamorphosis, 685; origin 

 of, 574. 



Feet, post-embryonic development of, 653. 

 Female reproductive organs, 485, 500; 



origin of, 575. 

 Femur, 96; formation of, in imago of 



Lepidoptera, 655. 

 Fernald, on rectal glands of Passalus, 



318. 



Fertilization of the egg, 525. 

 Filator, 340. 

 Filippi's glands, 345. 

 Firefly, 426. 



Fischer, on color of butterflies, 200. 

 Flagellum, 57. 



Flea, 438 ; hatching spine of, 586 ; hypo- 

 pharynx of, 77; number of moults of, 

 617. 



Flies, syrphid, 189. 

 Flight, 148, 219; theory of, 150. 

 Fluid, exuvial, 012; moulting, 012; soft- 

 ening fluid of moths in escaping from 

 the cocoon, 0"5. 



Fly, blow, hatching of, 585 ; development 

 of imago in, 600; horse, mouth-parts 

 of, 79; thorax of, 91; house, length of 

 embryonic life of, 582 ; thorax of, 88 ; 

 number of moults of, 618 ; meat, hatch- 

 ing of, 585 ; tenent hairs of, 111. 

 Fold, amnion, 531. 

 Folds, gastro-ileal, 317; giving rise to 



head of fly, 671. 



Folsom, on lateral gills of Enphfea, 408. 

 Food-reservoir, 305. 

 Foot, of beetle, 111 : of fly, 111. 

 Footprints of beetles, 106. 

 Fore-stomach, 306. 

 Forel, on gustatory organs, 281; on 



honey-dew, 305 ; on vision, 256. 

 Forficula, 454, 491 ; foetid glands of, 369; 



hatching spine of, 585. 

 Formic acid, 358. 

 Frenulum, 122. 

 Fnlgi.ra. -424. 

 Funicnlus, 460. 

 Funnel, 313. 



