IKDEX. 



405 



C*mrf/*iAr,A.l8d; T. 55 



Currant-bush leaf bulged out by the 



Aphis ribes,A.3Q5,Jig. 

 Currant, gall of the catkins of the oak, 



A.M7,.fig. 

 Cushioned feet of flies and beetles, 



M. 8 

 Cuvier's opinion of smell, M. 61 ; 



classification, M. 389 

 Cynipida, Westwood, T. 121 

 L'ynips, A. 147 ; 3/1 ; 382 ; 38H ; 402 ; T. 



59 ; C. Genista:, A. 390 ; C. Quercus 



gemma, A. 3/8 ; C. Quercus inferi, 



A. 385 ; C. quercus peduncuti, A. 387; 



C. psenes, A. 388 ; C. Rosa, A. 376 ; 



C. Solicit, A. 380 ; C. viminalit, A. 



876 



Cynosurus cristatus, M. 24 

 Cynthia Cardui, Steph., A. 168; T.69, 



M. 45, Jig. 



Darwin and Robinet, fancies of, T . 9 



Dasychira pudibunda, Steph., A. 323 



Datura stramonium. M. 35 



Death-watch, A. 304; insects, M. 98 



Death's head moth, cry of the, M. 96 



Death, approach of, indicated by in- 

 sects, M. 29 



Debraw's observations on bees, M. 254 



Decandolle's experiments on plants, 

 JVf.20 



Deformed butterflies and moths, speci- 

 mens of, T 350. Jigs. 



De Geer's opinion of the glow-worm, 

 M . 224 ; classification of, 382 



Delphinium choilanthum, M. 175, Jig. 



Deslongchamps, experiments by, T. 

 238 



Destructive migrations, M. 469 



Dew-berry, moths' eggs found on the, 

 T. ]-2(>,Jig. 



Dinphora mendica, Steph., T. 314 



Diffusive migrations, M . 273 



Digger, M. 373,^. 



Diptera, T. *c96 



Diving water-spider, A. 365 



Division of labour, M. 292 



Dock weevil, experiment with, A. 325 



Domestic importance of insect study, 

 M. 361 



Dorthesia, T. 88 



Dragon-fly, evolution of the, T. 337 



Dragon flies, grub of, T. 162,.fig.; dis- 

 section of the grub of, 1 62, .fig. ; 

 mask of the grub of, lGl,Jig. ; trans- 

 formations of, 336, 337, Jig. ; male 

 green, M. 67, Jig. : voracity of, 159; 

 male and female, 21 1 



Drilusjlavescens, A. 416 



Drink, effect of on the saliva, M. 39 



Drone of the dung beetle, M. 95 



Drum of the ear, T. 103,. fig. ; of the 

 field cricket, M . 78 ; of the grass- 

 hopper, M. 79, fig. 



Duels of bees, M. 328 



Dumeril's opinion of the glow-worm, 

 M. 222 



Dunbar's experiments on queen bees, 

 M. 314 



Dung-beetle, A. 249 ; cleanliness of the, 

 A. 250 



Dung- fly, with eggs, T. 44, fig. 



Dusky-ants, A. 283 



Dying ants ill treated, M. 304 



Dysdera erythina, Walckenaer, T. 

 358, 359, fig.; magnified head and 

 comb of, T. 359, fig. 



Dytiscus, M. 42 



Dytiscus marginalit, M. CG 



Ear of the crab, M. 117, fig. 



Ears, position of, in certain animals, 

 M. 105 



Earth-mason caterpillars, A. 200 ; out- 

 side walls of the nests of, A. 201, 202, 

 fig. ; nests moth, &c., 205, .fig. 



Earwig, hatching eggs, anomalous in- 

 stance of the, T. 102 



Earwigs cannot get into the brain, T. 

 103; its jaws, M. 145; their can- 

 nibalism, M. 147 



Eating insects, M. 144 



Eclectic system, M. 391 



Economy of nature, reflections on the, 

 A. 214 



Eggs of insects, 19, Jigs. ; structures for 

 protecting, A . 23 ; of insects capable 

 of bearing great degrees of heat and 

 cold, 23 ; all insects produced from, 

 T. 1; not dispersed in the air, 14; 

 specific gravity of, 15; expelled by 

 insects from fear, 25 ; physiology of, 

 33; of birds not protected by their 

 colour from the attacks of depredators, 

 84 ; cause of the colours of, 36 ; of 

 ants, structure of the, 38 ; spiders and 

 glow-worms, 39 ; form of, 40 ; of birds, 

 cause of the oval form, 41; sculpture 

 of 41 ; curious appendages to, 43 ; 

 with foot-stalks, 45 ; life-boat of, con- 

 structed by the gnat, 72 ; of insects, 

 hibernation of, 79; experiments on, 

 by Spallanzani and John Hunter, 79 ; 

 singular groups of, 81 ; protection of, 

 from heat, 83 ; in spiral groups, 85, 

 fig. ; of the lackey moth, arched form 

 of, 86, fig. ; of aphides, hybernation 

 of, 87 ; of cocci, singular protection 

 of, 88 ; of the vapourer moth, on its 

 cocoon, 95 ; of insects, effects of cold 

 on, 96 ; of birds, structure of the, 

 100 ; of insects, hatching of, 100; not 

 hatched hv insects, 101 ; hatched be- 

 fore they are laid, 108 ; of silk-worms, 

 management of, 120; of some in- 

 sects, increase in size, 121 ; of ants, 

 growth of, 122; of spiders, develop- 

 ment of, 123 ; of insects, valves of, 1*6 



Elateridie, M.226 



Elaternoctilucus,Lmn., T. 230; M. 228, 



Eleftric centipede, M. 230, fig. 

 Electricity, influence of, on insects, M. 



21 



Elephant, smell in, M- 52 

 Emberiza pecoris, Wilson, T. 53 

 Emmets or jet-ants, A. 279; galleries 



of, in trees, 281 ; populous colony of, 



'202 



Emperor moth, A. 320 ; cocoon of, 321 

 Encyrtus inserens, Kirby, T. 260 

 Entotizaria, T. 238. 

 Epeira conica, Walck., A. 368 

 Epeirea diadema, A. 336; 340 ; 353 ; 



358, 359; T. 39; 67; 93; 123; 358; 



hatching of the egg of, 124, fig. 

 Epeira, T. 104 

 Epeira quadrata, A. 364 

 Ephemera, 205, 206; T. 138, 139 ; nests 



of the grubs of, A. 206, fig. : grub of 



206, fig. ; nests of, in holes of cossus, 



A. 207, .fig. 



Ephemera, A. 207; T.316 

 Ephemeras live more than one day, M. 



219 

 Ephemera grubs, nests of, A. 206 ; nests 



of, in a willow-stump, 207 ; dissection 



of the water-grub of. T. 139, fig. 

 Ephemera vulgata, T. 402 

 2N 



