INDEX. 



765 



Motor end-organs, 289 

 Motor tracts, 476 

 Moults, larval, 2 

 Mouth armature of larva, 37 

 Mouth of imago, 136, 390 



of newly-hatched larva, 41 

 organs of Bombylius, 150 



of Caterpillars, 39 



of Culex, 150 



of Lepidoptera, 128 



ofTipula, 150 



Movement, effect of, on vision, 571 

 Movements of proboscis, 139 



of wings, 203 

 Mucin, 265 



Mucinogenic cells, 279 

 Mucoid degeneration of cells, 265 

 Miiller on auditory mechanisms, 



595 

 on compound eye, 522 



on germinal vesicle, 711 



on parovaria, 674 



on sensation, 499 



theory of vision of, 554 

 Mtiller's ganglion, 624, 625 



organ, 586, 600 

 Musca corvina, 30 



domestica, 30 

 Muscidae, 30 



amnion of, 243 



development of, 230 



development of nervous system 



in, 483 

 Muscles, classification of, 218 



cutaneous, of larva, 50 



development of, 287, 336 



dorsales, 187, 223 



great thoracic, 187 



development of, 336 



histology of, 282 



histolysis of, 297, 298 



lateral, 220 



nerve terminations in, 289 



of head, 219 



of larva, 50 



of legs, 221 



of proboscis, 391 



of wings, 220 



somatic, varieties of, 282 



viscera], structure of, 283 



wing, structure of, 283 

 Muscular system, 218 

 Musculus accessorius, 220 



compressor vestibuli, 361 



Musculus dilator pharyngis, 390 



gracilis, 22 1 



Myopa, abdominal sterna of, 739 

 Myrmecia, hearing in, 498 



NACHEMBRYOLOGIE, 12 

 Nassonow on segmental organs in 



Insects, 707 

 Nautilus, eye of, 507 

 Nebenkern, 269. See Paranucleus 

 Neck, 178 



development of, 320 

 Nematocera, 29, 30 



antennae of, 585 



See Culex and Tipula 

 Nemertids, embryology of, 24 

 Nephila, webs of, 497 

 Nerve-cells, 67, 289 



of pericardium, 649 

 Nerve-centres, 66, 433 



relation to those of Vertebrates, 

 in 



See Brain, Thoracic ganglion, 



Stomogastric nerve, etc. 

 Nerve end-organ. See End-organ, 

 Retina, Chordotonal organs, 

 etc. 



Nerve-fibres, 289 

 Nerve, median, of larva, 57 



pericardia], 649 



roots of thoracic ganglion, 435 



terminations in muscle, 289 

 Nerves, abdominal, 436 



accessory dorsal, 436 



antenna], 469 



cardiac, 649 



cells in, 289 



cerebral, 453 



development of, 324, 328 



dorsal, 436 



infra-oesophageal, 63 



labral of larva, 63 



lateral of larva, 64 



maxillary, 466 



of Dogiel, 478 



of Lemoine, 478 



of mouth organs, 113 



of ocelli, 467 



of proboscis, 402 



of rectal papilla?, 420 



of simple eye in larva, 82 



pharyngeal, 466 



Stomogastric, 228 



