412 



INDEX. 



Setopfera vihrans, Kirby, T. 392- ex- 

 periment on, 362 ' 



Selaiidtia A/ni, Steph., T. 217 



m'^'JiT ^"'"'®^'**"' ^'^^ unsuccessful, 



Senih/is nitidis, T. 402. 



SemblU bilineata, T. 403. 



Senses of insects, M. 1. 



Sentinel ants, M . 298 



Sentinel wasps, M. 307 



Setting of insects, M. 376 



Sexes, distinctive marks of, M. 210 



Sick ants ill treated, M. 305 



Silk, history of the introduction of, A. 



Silk-tube, side view of, A. 310 fig • 

 section of, magnified, 310, ^^r. ® ' 

 bJJk-worm, progressive increase of the, 

 -1 . 16/; growth of the, compared with 

 that of birds, 168 ; increase of the 

 •weight of the, within thirty days, 

 397; Malpighi's accountof the trans- 

 lormations of the. 339, A. 313 ; trans- 

 iormations of, 314; the parts of the 

 cocoons of, which are used in our 

 manufactures, 317; varieties and 

 species of, 320; Count Dandolo's ex- 

 periments on, T . 167 

 Silpha Lapponica, M. 153 

 Si/phiilii-, M . 53 

 Slave making ants, M. 342 

 Sleep of the senses not equally pro- 

 found, T. 406 i J i- 

 SIng-worra of North America, T. 217 

 Smell in insects, M. 44 ; the males 



guided by, 215 

 Stnerint/iiispopu/i, T- 71 

 Snapdragon, with bees entering the 



flowers, M. 49.figs. 

 Social leaf mining caterpillars, A. 208 

 Social spinning caterpillars. A. 329 

 Sociality of hisects, causes of, M 208 

 Social wasps, A. 71 ; nest of, founded 

 hy a single female, 71 ; nest of, com- 

 pared to that of the burrowing-owl, 

 72; nest, materials of, 74; nests, 

 structure of, 76, flg. ; nest, suspen- 

 sion rod ot, 77, ,fig. ; outer crust of, 

 77,,/?.ir ; nest, extraordinary number 

 or cells in a, 78 



^ AI^'^3' '^"''" °^' ^"^""S termites. 

 Solitary bee iHalktus), proceedings of, 

 Solitary wasp, (Cerceris), stratagems of, 



^"""fis of insects not from the mouth, 

 109^^' ""P^'^'^^P^'t'^e to certain ears. 



Specific gravity of insect-eggs, T. 15 

 npecimens.arrangement of, M. 379 

 i>pluerobuliis, plants of, showing the 



projection of the seeds, T. 26, /;>. 

 SplungidcE, Leach, T. 71, 185, 360 ° 

 Sphinx Lig-ustri, T. 125, fig.; 185- 



pupa of, 300, fig. 

 Spider, raft building, A. 363; diving 

 water, 365 ; proceedings of a, in a 

 steam-boat, 368 

 Spiders not properly insects, A. 335 ; 

 apparatus for spinning, 335; struc- 

 tures of, 335 ; suspended by a thread 

 trom the spinneret, 336, fig. ; extraor- 

 dinary number of spinnerules in, 337, 

 Jig.; thread of, magnified, 338, fe. ; 

 Shooting of the lines of, 339 ; mode 

 oi attaching the ends of their threads, 

 ^39> J'^- ; gossamer, account of the 

 ascent ot, 346,- pests, webs, aad jieta 



of, 354; satin, nest of, 354; geome- 



T." "^/ °K^^^^ -f'f^' ' "^^t' hinged 

 door of a, 362 ; nest from the ^Vest 

 indies, with a spring hinge 36" • 

 cleanliness of, 366 ; claws, structure 

 ot 367, fig. ; putting their webs, fan- 

 ciful account of, ,368; singularities of, 

 1./9: nests, curious, 94, /?•)■.• and 

 caterpillars, methods of ascending 

 their threads. lOS,Jig.; mode of comb- 

 nig themselves, 358 : walking on 

 water, 382 ; springing of, upon their 

 prey, 394 ; flying without wings, 39/; 

 legs of, M. 4; alleged to be blind* 

 119; various arrangements of the 

 eyes of, 1-27, 103, j;^,, . dissocial ity 

 ot 207 ; emigration of young, 281 



Spider-flies. T. Il7.^p^r 



Spinneret of spiders'an organ of touch. 



Spinning caterpillars, A. 306, 322- 

 structure of the legs and feet of, 307; 

 internal structure of, 309 



Spontaneous generation, theory of, T. 



Sportive movements not necessarily 



social, T. 367 

 Spring-tail, leaping position of, T. 394, 



■flg. 

 Stag beetle, M. 10, ^fig. -. jaws of the, 



145 ; male and female, 21 i. Jig. 

 Sfaphylinidin, A. 240 ; T. 231 ; M. 53 

 Staiiiupus Fagi, Gerinar., T. I53._fig. 

 Stemmata, or coronet eyes, M 127 

 Stephens's (breeding cage, M. 363 • 

 classification, M. 393 ' 



Stethoscope compared to antenna, M. 



117 

 Sting of the bee described, M. 325, fig. 

 Stomach of the caterpillar, remarkable 

 change in the capacity of the, T. 198 

 Stomoxys calcitrons, M.'202 

 ^tmnoxydw, Meigeii, M. 202 

 Stonemason caterpillars, A. 227 ; sin- 

 gular proceedings of, 228; colony of, 

 at Blackheath, 229; foundation of 

 the tents of, 231. 

 Straiiomys chamceleon, Meigen. T 156 

 1 57, .fig. 292. s . . , 



Strawberry mite, rapid gallopine (£ 

 the, T. 386. f S "^ 



Strength of insects, misstatements re- 

 specting, T. 185. 

 Structure of birds to contain air, T 



383. 

 Siurims vulgaris, T.34. 

 Sty/ops MeliUiv, T. ST, fig. 

 Su( kers in insects, structure of the, M. 



1/8 

 Sucker of the gnat, M. 195, ./j;?. 

 Suckers of some insects adapted to 



flowers, M. 51 

 Sucking insects, M. 176 

 Sucturla, De Geer, M. 189 

 Sugar-ants of the West Indies, A. 286. 

 Summer-fly, circular movements of a. 

 T. 366. ' 



Suspending chrysalides, mechanism of, 



T. 272. 

 Suspensory cincture of caterpillars, 

 method of forming it by the swallow- 

 tail, T. 281. 

 Swainson, singular mistake of, M. 183 

 Swallow-tailed butterfly, caterpillar of, 

 weaving its suspensory cincture, T. 

 ^^'j.fe'f- ; Kirby's account of the ex- 

 pansion of the.T. 342. 

 Swammerdain's observations on bees, 

 ,_ M. 256 ; classification, M . 380 



