754 



I.\1>EX. 



Compound eye, received views on, 



5'7 



retina of, 533 



trachea; of, 365, 530, 538 

 Compound sclerites, 105 

 Compressor muscle of frontal sac, 



217 



Compressor vestibuli muscle, 361 

 Condyle, 1 19, 170, 179 

 Cone. See Crystalline cone 

 Connective reticulum, 273 

 Copilia, eye of, 565 

 Copulation, act of, 742 

 Coracoid, 199, 201 

 Corethra, discs in, 304 



prothoracic horns of, 370 



sexual rudiments in, 686 

 Cornea, compound, 515 



development of, 527 



kistoid, 526 



number of facets in, 516 



of Blow-fly, 526 



structure of, 526 

 Cornea, simple, 510 

 Corneal lenses considered as con- 

 densers, 558 

 Cornelius on the sexual act in Peri- 



planeta, 664 

 Cornicula, 179 

 Cornu of fulcrum, 137 

 Cornu, stigmatic. See Stigmatic cornu 

 Coronary ganglion, 471 

 Corpora fungilormia, I 12, 327 



comparative anatomy of, 461 



compared with cerebellum, 446 



development of, 483 



discovery of, 461 



in Astacus, 445 



in Illatta, 449, 462 



in Diptera, 462 



in I lymenoptera, 461 



in larva, 63, 70 

 Corpora lutea of alimentary canal, 



33'. 333. 430 

 Corps rosea, 273, 297 



Corpus centrale, 457 

 capsule of, 458 

 brachia of, 459 

 Corpus funilinmi-. Sir Corpora 



fungiformia 



Corpus hneum. .S'<v Corpora lutea 

 ' < ii |)ii^ nvale, 470 



Conical substance of the brain, 67, 

 460 



Cortical substance of optic ganglion, 



47i 



of neuroblast, 69 

 Corvina. Sec Musca corvina 

 Costa, 169, 182 

 Costal area, 198 

 Costal nervure, 201 

 Cotyloid cavity, 118, 123 

 Coxa, 190 



Coxo-sternal articulation, 192 

 Coxo-trochanteric articulation, 193 

 Cranefly. See Tipula 

 Crayfish. See Astacus 

 Cricket. See Acheta 

 Crista acoustica, 600 

 Crista, cephalic, 1 19 

 Crop, comparative anatomy of, 52 



of imago, 218, 407 



of larva, 56 



of nymph, 313 

 Crura, ganglia of the, 466 

 Crura of the cerebron, 447 



in Blow-fly, 463 



development ot" the, in Blow-fly, 



493 

 Crura of hemispheres of larva, 63 



Crustacea, brain of, 444 



development of metenteron in, 

 432 



efferent genital ducts of, 734 



integument of, 9 



stalked eye of, 15 

 Crystalline cone, 516, 528 



functions of, 559 



of Blow-fly, 528 



of Mantis, 531 



pigment cells of, 528 



refractive index of, 559 



varieties of, 519 

 Crystals in blood, 272 



in Malpighian tubes, 414 

 Ctenophora, trache;e of pericardium 



in larva, 88 

 Cuccati, fibres of, 472 



on corpus centrale, 459 

 Culex, larva of, 30 



notes emitted by, 591 



spiracles of, 472 

 Culicuhi-, mouth organs of, 150 

 Cupola of halter, 605 

 Cutaneous muscles of larva, 50 

 Cuttclr, S 

 Cuticular layers of integument, 281 



structures, origin of, 280 



