INDEX. 



757 



Epicranial suture, 117 

 Epifrontal sclerite, 115 

 Epifurca, 143 

 Epilecithal, 245 

 Epimeron, 182, 186 

 Epiostracoid layer, 280 

 Epiostracum, 10, 35, 280 

 Epiphallus, 741 

 Epipharynx, 137 

 of larva, 46 

 Epipleuron, 160 

 Epipygium, 210, 744 

 Episternum, 182 



of metathorax, 186 

 Epistome or Epistomum, 115, 121 

 Epithelia, 277 



Epithelium of crop in imago, 407 

 Epitrochlear plate, 169 

 Epitrochlear sclerite, 174 

 Eremochasta, 1 1 

 Erichson on function of antennas, 589 



on labium, 131 



Eristalis, dorsal vessel of, 284, 649 

 humming sound of, 628 

 tracheae of retina in, 538 

 vibration of win^s in, 628 

 Escape from pupa case, 216 

 Eucephalic larvae, 28 

 Evagination of head and thorax, 317 

 Evanescent sclerites, 105 

 Exner on compound eye, 559, 561, 



577, 579, 664 _ 



Exogenous cell division, 696 

 Exosclerites, 105 

 Exoskeleton, 99, 211 

 of abdomen, 209 

 of legs, 190 



Expiratory pressure, 378, 379 

 Extension of wing, 202 

 External generative organs, 724 



comparative morphology of, 732 

 development of", 730 

 of female, 745 

 of male, 736 

 Exuviae, artificial, 212 

 Eye. a physiological term, 501 

 cephalic, 504 

 epiblastic, 506 

 median, 504 

 pineal, 504, 505 

 sporadic, 505 



See Compound eye and Ocellus 

 Eye-like organs of larva, 71 

 nerve to, 82 



FAHRICIUS, rostellum of, 139 



Fabre on hyper-metamorphosis, 18 



Face, 121 



Faivre on nervous system, 476, 477 



Faltenblatt, 244 



Fan-shaped body, 459 



Fat bodies, 274 



development of. 236, 253, 274 

 histolysis of, 307 

 Fat-cells of imago, 275 



of larva, 85, 274 



Fat, relation of, to proteids, 309 

 Femoro-tibial rudiment, 159 

 Femur, 192 

 Fenestra of coxae, 191 

 Ferment theory of histolysis, 311 

 Ferments of Malpighian secretion, 



416 



Fillet of nodulus, 456 

 Films, action of gases on, 382 

 Fixation of tissues, 94, 349 

 Flea. See Pulex 

 Flight, 206, 385, 387 

 air expired in, 383 

 mathematical theory of, 387 

 movement of wings in, 203 

 rapidity of, 386 

 work of, 385 



Flbgel on the brains of Insects, 440 

 Food-yelk, 13, 708 

 Foot of fly, 194 



bibliography of, 190 

 mechanism of, 197 

 Fore-gut, 13. Sec Stomodeum 

 Fore-head, 120 



invagination of, in embryo, 261 

 Forel on aeria and antennal Insects, 



1 1 



on function of antennae, 592 

 Forficula, cornea of, 526 



epicranial suture of, 117 

 larva of, 18 

 moults of, 1 8 

 skeleton of head in, 117 

 Formicidae, eyes in, 516 



proventriculus of, 409 

 Free formation of nuclei, 711, 716 

 Frons, 121 



Frontal sac, 4, 124, 216 

 morphology of, 115 

 relation to proboscis, 397 

 Fulcrum, 44, 137 



morphology of, 138 

 muscles of, 392 



