INDEX. 



m 



Cnrcunonhhf, A. '233 ; T. r,5 

 Currant-bush leaf bulged out by the 



Aphis rihes,A.3Q3,,1tg. 

 Currant, gall of the catkins of the oak, 



A.387,./'>. , , , 



Cushioned feet of flies and beetles, 



M. 8 

 Cuvier's opinion of smell, M. CI ; 



classification, M. 38f) 

 Cyytijiidai, AVestwood, T. 121 

 Cyaiys, A. 147 ; 3/1 ; 382 ; 38fi ; 402 ; T. 



69; C. Genista; A. 390; C. Quercus 



gemma-, A. 3/8; C. Quercus iiiferi, 



A. 385 ; C. quercus pednncuti, A. 38"; 



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



C. Salicis, A. 380 ; C. vitninalis, A. 



3/6 

 Cynosurus crisfafus, M. 24 

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



M.i5,Jig. 



Darwin and Robinet, fancies of, T. 9 

 Dasychira pudihunda, Steph., A. 323 



Datura stramonium, M. 35 



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



Death's head moth, cry of the, M . 93 



Death, approach of, indicated by in- 

 sects, M.29 



Debraw's observations on bees, M. 254 



DecandoUe's experiments on plants, 

 M.20 



Deformed butterflies and moths, speci- 

 mens of, T 350.J(^i-«. 



De Geer's opinion of the glow-worm, 

 M . 224 ; classification of, 382 



Delphinium ckuilanllium, M. 175,,/?g'. 



Deslongchamps, experiments by, T. 

 238 



Destructive migrations, BI. 2.69 



Dew-berry, moths' eggs found on the, 

 T. 1 26, Jig-. 



Diaphnra mendica, Steph., T. 314 



Diffusive migrations, IVl . 273 



Digger, M. 373, Ji^. 



Diplera, T. L9;j 



Diving water-spider, A. 365 



Division of labour, iM. 292 



Dock weevil, experiment with, A. 3?5 



Domestic importance of insect study, 

 M. 361 



Dorthesia. T. 83 



Dragon-fly, evolution of the, T. 337 



Dragon flies, grub of, T. 162,./ig-.; dis- 

 section of "the grub of, \6i, fig- ; 

 mask of the grub of, 164, . /f^'. ; trans- 

 formations of, 336, 337, Jig. ; male 

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

 male and female, 211 



Drilus Jlavescens , A. 416 



Drink, effect of on the saliva, M. 39 



Drone of the dung beetle, M. 95 



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

 field cricket, M. 78 ; of the grass- 

 hopper, M. 70, 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. 4:i, Jig. 



Dusky-ants, A. 283 



Dying ants ill treated, M. 304 



Jiysdera erytliina, U alckenaer, T. 

 358, 659, ,pg.; magnified head and 

 comb of, T. 359,Jig. 



Dytiscus, M. 42 



Pijtiisus marginalia, M. GQ 



Ear of the crab, U. 'i\7,.Pg- 



Ears, position of, in certain animals, 



M. 105 

 Earth-mason caterpillars, A. 200 ; out- 

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

 Jig. ; nests moth, Ike, 205, Jig. 

 Earwig, hatching eggs, anomalous in- 

 stance of the, T. Ili2 

 Earwigs cannot get into the brain, T. 

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

 nibalism,"*!. H7 

 Eating insects, M. 144 

 Eclectic system, IM. 391 

 Economy of nature, reflections on the, 



A. 214 

 Eggs of insects, 19, figs. ; 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 ofde])redators, 

 34 ; 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, 

 hybernation of, 79; experiments on, 

 by Spallanzani and .Tohn Hunter, 79 ; 

 singular groups of, 81 ; protection of, 

 from heat, 83 ; in spiral groups, 85, 

 Jig. ; of the lackey moth, arched form 

 of, 86, Ji^. ; 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 by insects, 101 ; hatched be- 

 fore they are laid, 108 ; ofsilk-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, liiS 

 Elaterida; M . 226 

 ElalernoctilucuSjLivm., T. 230; M. 228, 



Electric centipede, M. 230, J(g-. 

 Electricity, influence of, on insects, M. 



21 

 Elephant, smell in, M. 52 

 Emberi~a pecoris, Wilson, T. 53 

 Emmets or jet-ants, A. 279; galleries 



of, in trees, 281 ; populous colony of, 



282 

 Emperor moth, A. 320 ; cocoon of, 321 

 Encijrtus inserens, Kirby, T. 260 

 Entulizaria, T. 238. 

 Epeira conica, Walck., A. 368 

 Epeirea diadema, A. 336; 340 ; 353 ; 



.358, 359; T. 39; 67; 93; 123; 353; 



hatching of the egg of, 124, fig. 

 Epeira;, T. 104 

 Epeira quadrata, A . 364 

 Ephemera, 2i)5,W6: T. 138.139; nests 



of the grubs of, A. '20S. fig. : grub of 



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



A. 207, fig. 

 Ephemera;, A. 207; T.316 

 Ephemera; 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, Jig. 



Pi>hmera viUgata, T. 402 

 2 N 



