INDEX 



717 



Galea, 63, 64. 



(ialcruca, 113. 



Ganglia, function of, 244 ; fusion of, 225 ; 

 optic, 231, 232; primitive number of, 

 667. 



Ganglion frontalc, r>ii!). 



Ganglion opticum, origin of. 567. 



(Tanin, on abdominal imaginal buds, 170; 

 on hypermetamorphosis of ichneumon 

 parasites, 701. 



(lastro-ileal folds, 317. 



( iasi ropacha, 552 ; flattened hairs of, 194. 



Gastrophilus equi, 475. 



Gastrula, 558 ; stage, 535. 



Gegenbauer, on liomology of wings with 

 gills, 142. 



Gehuchten, on histology of muscles, 217 ; 

 on the histology of mid-intestine, 316; 

 on the pyloric valvule, 315; on secre- 

 tion, mechanism of, 326. 



Geua, 46. 



Genital armature, male, 176; cells. 575; 

 claspers, 176. 



Germarium, 501. 



Germ-layers, formation of, 558. 



Giard on urinary tubes, 351. 



Gills, blood, 475 ; in embryo insects, 476 ; 

 tracheal, 459; adult insects, 476; rec- 

 tal, 463. 



Gilson, on anal glands, 373; on spinning- 

 glands, 340. 



Gissler on anal glands, 372. 



Gizzard, 311, 324. 



Glands, acid, 358; adhesive, 360: alka- 

 line, 358 ; alluring, 391 ; of androconia, 

 199; anal, 319, 372; accessory of vasa 

 deferentia, 497 ; cement, 360 : collete- 

 rial, 506; conglobate, 487; corrosive, 

 374; coxal, 369, 383 ; dermal, 365; de- 

 fensive, 368 ; eversible, 368, 382 ; Filip- 

 pi's, 346; foetid, 369: mucous, 497; 

 mushroom, 497 ; odoriferous, 381 ; re- 

 pugnatorial, 368; salivary, 331, 570; 

 setiparous, 444; sexual, origin of male, 

 579; unicellular, 366; wax, 361. 



Glandulae mucosffi, 497. 



Gnathal segments of embryo, 556. 



Gonapophyses, 167, 168. 



Gonin, on moulting fluid, 613, 614 ; on the 

 post-embryonic changes of Pieris, 651 ; 

 on process of pupation, (559 ; on tracheae 

 of wings, 145; on the wing-germs, 131. 



Gorgeret, 170. 



Gottsrhe on vision, 257. 



Graber, on abdominal legs of caterpillars, 

 552 ; on blood, 408 ; on blood-gills of 

 embryo, 476; on climbing, 116; on de- 

 velopment of wings, 138 ; on flight, 153 ; 

 on folding of wings, 155; on foot-tracks 

 of beetles, 109 ; on heart, 398, 400, 402 ; 

 on mechanics of segmented body and 

 limbs of insects, 31, 38 ; on mechanics, 

 of walking, 103 ; on organs of hearing, 

 290; on organs of smell, 267 ; on pre- 

 mandibular segment, 52; on respira- 

 tion, 454; on successive appearance of 

 embryonic segments, 546 ; on swim- 

 ming, 116. 



Grassi, on premandibular segment in 

 Apis, 52 ; on Scolopendrella, 20. 



Grege, 340. 



Gres, 340. 



Griffiths, on pigments, 207. 



Grobben on heart, 399. 



Gromphas, 101. 



Gross, on color sense, 261. 



Gryllotalpa, 572 ; maxilla of, 64. 



Guide, egg, 183. 



Gula, 46, 68. 



Gulo-mental region, 46. 



Gummy layer of silk, 340. 



Gyrinus, 471, 620. 



Haase, on coxal sacs, 14 ; on eversible 

 glands, 371; on the formation of the 

 copulatory pouch, 505 ; on Scolopen- 

 drella, 21, 24; on the homology of the 

 ovipositor, 171. 



Hadenoecus, 44, 392. 



Hagen, on colors, 201; on gills of Per- 

 lidse, 477; on lateral gills of Euphaea 

 nymph, 468, 477 ; on vestigial gills in 

 other odonate nymphs, 469. 



Hair-fields, 197. 



Hair-forming cells, 188. 



Hair-scales, 197 ; tactile, 193. 



Hairs, 188: adhesive, 111, 113; develop- 

 ment of, 193 ; gathering, 45 ; glandular, 

 190, 192; nettling, 191; plumose, 189; 

 tenent, 99, 190 ; in trachea?, 451 ; 

 twisted, 189. 



Halteres, 124, 629. 



Hammond, see Miall. 



Hampson, on scent-glands, 391. 



Haplopus, 521. 



Harpes, 180. 



Harpiphorus, 618. 



Harpyia, 375. 



