712 



INDEX 



Arctian larvae, 615. 



Argicla, 391. 



Armature, 187, 192. 



Arolium, 97, 100, 113. 



Artliromeres, 30. 



Arthropoda, classes of, 3. 



Articerus, 57. 



Ascalaphus, 616. 



Ash, on eversible glands, 377. 



Asilus, mouth-parts of, 79. 



Aspidiotus, 538, 627; nerii, hypermeta- 

 morphosis of male of, 690; nerii, 

 metamorphosis of male of, 640, 

 690. 



Ateuchus sacer, 101. 



Attacus, mode of escape from its cocoon, 

 635. 



Attacine moths, 634. 



Attelabus, 538. 



Auditory organs, 287. 



Audouiu, on the median segment, 163; 

 on peritreme, 90. 



Autolyca, 371. 



Auzoux, on the salivary glands of silk- 

 worm, 332. 



Ayers, on embryonic abdominal append- 

 ages, 550; on fecundation of the egg, 

 505 ; on hypermetamorphosis of Teleas, 

 703 ; on origin of heart, 573. 



Baetisca, 467. 



Balancers, 124. 



Balbiani, on the polar cells of Chironomus, 

 580. 



Ballowitz, on spermatozoa, 497. 



Band, germinal, 531; invaginated, 538; 

 overgrown, 538; primitive, 531, 536, 

 545. 



Bapata, 392. 



Basilar membrane of eye, 253. 



Bee, honey, air-sacs of, 458; breathing 

 of, 456 ; cement glands of, 360 ; egg of, 

 521; flight of, 151; head, 80; moult- 

 ing of, 611 ; mouth-parts of, 79 ; num- 

 ber of moults of, 618; premandibular 

 segment in embryo of, 52; salivary 

 glands of, 3.">4 ; sanitary conditions ob- 

 served by its larva, 623 ; seminal packet 

 of, 500; sperrnatheca, 506; tongue of, 

 80, 81 ; tracheae of, 458 ; wax glands 

 of, 364. 



Bee's foot, action of, in climbing, 114; 

 sting, 172. 



Bees, twisted hairs of, 189. 



Beetles, anal glands of, 372 ; phosphores- 

 cent, 424 ; tongue of, 73 ; tracks of, 106 ; 

 walking, 103. 



Benasus griseus, tongue of, 73. 



Bladder, urinary, 35. 



Blanc, on salivary glands of silkworm, 

 331, 332; on silk glands of silkworm, 

 340; on spinning glands of silkworm, 

 340. 



Blaps, 373; gait of, 109; tracks of, 109, 

 111. 



Blastoderm, 526, 529. 



Blatta, 43, 69 ; egg-tubes of, 501 ; embry- 

 ology of, 537. 



Blattidae, foetid glands of, 370. 



Blepharocera, 474. 



Blochman, on embryology of Musca, 530. 



Blood, 407; corpuscles, 407, 419, 574; 

 crystals from, 407 ; -forming cells, 574, 

 685 ; gills, 475 ; in veins of wings, 121 ; 

 lacunae, 573; repellent nature of, 374, 

 407; serum, 407; tissue, 408, 419; ves- 

 sels in the head, 405. 



Blow-fly, duration of embryonic life of, 

 582 ; egg of, 521. 



Boas, on spiracles of Melolontha larva, 

 439. 



Bobretsky, on embryology of Pieris, 529. 



Body, cavity, formation of, 563, 566 ; cen- 

 tral, 232, 237 ; completion of embryonic, 

 555; form, development of outer, 668; 

 mushroom, 233 ; pedunculated.232,233 ; 

 stalked, 232, 233. 



Boll, on repellent glands, 371. 



Boinbus, 219, 618; post-embryonic 

 changes in, 661. 



Bombyx mori, 339, 366, 405, 496, 499, 608 ; 

 embryonic abdominal legs of, 552. 



Bordas, on poison glands, 358; on sali- 

 vary glands of Hymenoptera, 337. 



Bot-fly, of horse, 475 ; of ox, 518. 



Bothriothorax, 623. 



Brain, 222, 226; development of, 567; 

 histology of, 238 ; modifications of, in 

 different orders, 240. 



Brauer, on Campodea-form larva}, 600- 

 602 ; on metamorphosis, 598. 



Breathing, mechanism of, 451; rectal, 

 463. 



Brin, 342. 



Bristles, 188. 



Bruchus, hypermetamorphosis of, 700. 



Buccal appendages, 59. 



Bucculatrix, 634. 



