754 
Compound eye, received views on, 
517 
retina of, 533 
tracheze of, 365, 530, 538 
Compound sclerites, 105 
Compressor muscle of frontal sac, 
217 
Compressor vestibuli muscle, 361 
Condyle, 119, 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 fungiformia, 112, 327 
comparative anatomy of, 461 
compared with cerebellum, 446 
development of, 483 
discovery of, 461 
in Astacus, 445 
in Blatta, 449, 462 
in Diptera, 462 
in Hymenoptera, 461 
in larva, 63, 70 
Corpora lutea of alimentary canal, 
eS 331, 333) 43° 
Corps rosea, 273, 297 
Corpus centrale, 457 
capsule of, 458 
brachia of, 459 
Corpus fungiforme. 
fungiformia 
Corpus luteum. See Corpora lutea 
‘Corpus ovale, 470 
Cortical substance of the brain, 67, 
460 
See Corpora 
INDEX, 
Cortical substance of optic ganglion, 
471 
of neuroblast, 69 
Corvina. See 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, 119 
Crop, comparative anatomy of, 52 
of imago, 218, 407 
of larva, 56 - 
of nymph, 213 
Crura, ganglia of the, 466 
Crura of the cerebron, 447 
in Blow-fly, 463 
development of 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, trachez of pericardium, 
in larva, 88 
Cuccati, fibres of, 472 
on corpus centrale, 459 
Culex, larva of, 30 
notes emitted by, 591 
spiracles of, 472 
Culicidae, mouth organs of, 150 
Cupola of halter, 605 
Cutaneous muscles of larva, 50 
Cuticle, 8 
Cuticular layers of integument, 281 
structures, origin of, 280 
