722 



INDEX 



Microcentrum, 616. 



Microgaster, mode of spinning its cocoon, 

 0-22. 



Micropteryx, 621, 626; escape from its 

 cocoon, 633; hypopharyux of, 76; la- 

 bium of, 76; pupal jaws of, 633. 



Micropyle, 522 ; use of, 524. 



Mid-intestine, 314 ; origin of, 569. 



Minchin, on eversihle glands, 370. 



Minot, on caeca of stomach, 347 ; on col- 

 ors, 203 ; on the cuticula, 187 ; on di- 

 gestive canal, 318, 320, 321 ; on distri- 

 bution of trachea?, 433 ; on gastro-ileal 

 folds, 317 ; on rectal glands, 318 ; on 

 trenidia, 445. 



Molar, 61. 



Mole-cricket, 102, 527, 543, 572, 574 ; diges- 

 tive canal of, 350; urinary tubes of, 3CO. 



Mosaic theory of vision, 257. 



Moseley, on circulation of blood, 410; on 

 composition of chitin, 30. 



Mosquito, 461, 454, 465 ; poison gland of, 

 359 ; sense of hearing of, 292. 



Moulting, process of, 609; hairs and 

 spines, 612. 



Moults, number of, 615. 



Mouth, 302; -appendages, buds of, 665; 

 of embryo, 537. 



Miiller, F., on blood-gills, 475; on larvae 

 of Psychodes and of Blepharocera, 474 ; 

 on non-inheritance of the complete 

 metamorphosis, 595. 



Miiller, J., on alluring glands, 391; on 

 heart, 399; on sense and organs of 

 smell, 265; on the development of 

 wings, 138, 143; on vision, 255. 



Miiller, W., on gills of Paraponyx, 470. 



Miiller's, J., thread, 577. 



Mumia, 625. 



Musca, 88, 111; embryology of, 530, 536, 

 563; wing-germs of, 133. 



Muscidas appendages of imago, develop- 

 ment of, 674: post-embryonic changes 

 in, 666, 673, 678, 681. 



Muscles, 31; of caterpillars, 213; of 

 cockchafer, 21:!; of Cossus, 211; de- 

 struction of, during metamorphosis, 

 680; of flight, 149; of Pyga-ra, 211; 

 respiratory, 454 ; structure of, 215. 



Muscular fibres, 214; power, 217, 219; 

 system, 211. 



Musculature, mode of origin of, 574. 



Mushroom bodies, _:;:;. 



Mutilations, inheritance of, 102. 



Myriopoda, 11. 



Myrmeleou, maxilla of, 64; palpifer of, 



69. 

 Mystacides, scent scales of, 199. 



Nagel, on saliva of larval Dyticus, 324. 



Nassonow, on double sexual openings, 

 486. 



Necrophorus, tracks of, 109. 



Nematois, 496. 



Nematus, 53, 54, 618. 



Nemognatha, epipharynx of, 285; max- 

 illa; of, 64, 65 ; organs of taste in, 

 285. 



Nemoptera, larva of, 42. 



Nemoura, 468. 



Neolamarckian factors, 708. 



Neolepidoptera, 628. 



Nepa, 523. 



Nephridia, 348. 



Nepionic stage or form, 706. 



Nepticula, 606. 



Nerve-centre, 222. 



Nerve-centres, functions of, 243 ; anten- 

 nal, 650. 



Nerves, motor, 222; motor, degeneration 

 of, during metamorphosis, 684; optic, 

 650; peripheral, transformation of, 

 (184: sensory, 222; stomogastric, 238; 

 sympathetic, 238; visceral, 238. 



Nervous system, 222: formation of, 566; 

 free from histolysis during pupation, 

 667, 684 ; origin of, 554, 566 ; primitive 

 rolls or strips, 5(i6 ; slight changes in, 

 during metamorphosis, 684. 



Neuroblasts, 567. 



Neuromeres, 227, 231. 



Neuroptera, 632 ; lingua of, 69. 



Newman, on the median segment, 163. 



Newport, on changes in nervous system 

 of Sphinx during metamorphosis, 648; 

 on circulation, 409; on heart, 399; on 

 larval Julus, 13: on the median seg- 

 ment. 163; on muscular power, 94 : on 

 muscles of Sphinx. 213; on number of 

 segments of head. 50: on occiput, 48; 

 on the process of moulting in Sphinx, 

 610, 611; Scolopendrella, 18: on sense 

 of smell, 265 ; on tentorium, 49; on 

 tracheal gills of Pteronarcys, 476. 



Nola, 618. 



Nucleus, division, 530; sperm, 525. 



Nusbaum, on origin of efferent sexual 

 passages, 578. 



