Sarrothripa revayana, 269, 271.
" _revayana_, 271.
Saturnia carpini, 249.
" Pavonia-major, 248; Magnified Wing of, 166.
" _Pavonia-major_, 248.
Satyridi, The Family of the, 191.
Satyrus janira, 192.
Sauterelles-Puces, 114.
Saw-flies, 314; Larvæ of, 398.
_Saw-fly, Larva of_, 399.
Scarabæides, 436, 456.
Scarabæus, 436; Number of Eyes in the Genus, 2.
" _of the Egyptians, Sacred_, 462.
" enema, 461.
" _enema_, 460.
" Sacred, 460.
" _Porteri_, 459.
Scarites lævigatus, 489.
" _lævigatus_, 492.
Scatophagus, 85.
Sciara, The, 46; Superstitions Connected with, 47.
Scolytus, 518.
" _Larva of_, 518.
Secretion of various fluids used as defences, &c., Apparatus for, 11.
Semblis, 424.
" lutarius, 424.
" _lutarius, Imago, Pupa, and Larva_, 424.
Semblis Mud, 424.
_Sentinel Bees guarding Hive_, 347.
Sericaria, The Genus, 210.
Sericoris Zinkenana, 269, 271.
" _Zinkenana_, 271.
Sesia, 193.
" apiformis, 193.
" _apiformis_, 193.
Sesiidæ, The, 193.
Silk, kinds of, 235; Winding Establishment, 240.
_Silk-secreting Apparatus_, 221.
_Silk-winding Establishment_, 239.
Silkworm, 220.
" _during Moulting, Head of_, 222.
" _Position of_, 222.
" _Eggs and Five Ages of_, 223, 224 (_five figs._).
" _Membranous Legs of_, 140.
" _Moth, Male and Female_, 226.
" _Rearing Establishment_, 228.
_Silkworms, Lozenge-shaped Net for_, 232.
" _Square Net for_, 232.
" _Sprigs of Heather for_, 234.
Silpha, 467.
" obscura, 468.
" quadripunctata, 468.
" _quadripunctata_, 470.
" thoracica, 469.
" _thoracica_, 470.
Silphales, 466.
Sirex, 396.
" Giant, 396.
" gigas, 396, 398.
" _gigas_, 396.
" juvencus, 398.
Sitaris humeralis, 507.
" _humeralis_, 507.
" " _Larvæ of_, 507, 508.
" " _Pseudo-nymph of_, 508.
" " _Pupa of_, 508.
_Six-spot Burnet Moth_, 193.
Skeleton, Exterior of Insects, 8, 25.
Smerinthus, 208.
" ocellatus, The, 209.
" populi, 209, 210.
" tiliæ, 209.
_Sorrel, Leaf of, cut and rolled by Caterpillars_, 273.
Sphæria, The, 296.
Sphex, The, 393.
Sphingidæ, The Family, 194.
Sphinx convolvuli, 203.
" Convolvulus, The, 204.
" Humming-bird, 194.
" ligustri, The, 201.
" _ligustri, Pupa of_, 203.
" Privet, 201.
Spider, Water, 97.
Spiracles, 14, 16, 25.
Spring Froth, 112.
_Stag Beetle_, 466.
" " _Common_, 466.
Staphylinidæ, 472.
Staphylinus hirtus, 473.
" _hirtus_, 474.
" maxillosus, 473.
" _maxillosus_, 474.
" olens, 473.
" (_Ocypus_) _olens_, 473.
" _Imago, Pupa and Larva_, 472.
Stauropus fagi, 259.
Stemmata, 4.
Stomoxys, 72.
" calcitrans, 72.
Strength of Insects, M. Felix Plateau on, 21, 24.
Stylopidæ, 503.
Stylops, 503.
_Stylops_, 504, 505.
" Melittæ, 504.
Sugar Acarus, 348.
Suphis cimicoides, 481.
" _cimicoides_, 481.
_Swallow-tailed Butterfly_, 172.
" " _Scarce_, 174.
Swarm of Bees, 349.
Syndesus cornutus, 466.
" _cornutus_, 469.
Syromastes, 92.
Syrphidæ, 52.
Tabanidæ, The, 48.
Tabanus, 48, 58.
" autumnalis, 48.
" _autumnalis_, 49.
" bovinus, 48.
Tanystomæ, 49.
Tarsus, 6, 31; of Lepidoptera, 167.
Tefflus, Genus, 489.
" Megerlei, 490.
" _Megerlei_, 490.
Tenebrio, 498; Larva of, 498.
" molitor, 499.
" _Tenebrio molitor_, 499.
Tenthredinetæ, 314, 395, 398.
Tenthredo, 399.
Termes, 22, 402.
" of La Rochelle, M. de. Quatrefages on, 415.
" atrox, 411.
" bellicosus, 406.
" flavicollis, 413.
" lucifugus, 406, 413.
" _lucifugus_, 407.
" mordax, 411.
_Tetracha bifasciata_, 497.
Tetracha Klugii, 496.
" _Klugii_, 496.
" _oxychiloides_, 496.
Tetralobides, 512.
Tetrix, 312.
Tettigonia fraxini, 108.
Thecla, 178.
" betulæ, 178.
" _betulæ_, 178.
" pruni, 179.
" _pruni_, 179.
" quercus, 179.
" _quercus_, 179.
" rubi, 179, 180.
" _rubi_, 180.
Therates, 497.
" _labiata_, 499.
Thorax, the, 1, 6, 25.
Thrips, 400.
Thyreophoræ, 85.
Thysanura, 32.
Tibia, 6.
_Tiger Beetle_, 493.
Tiger Moth, The, 153.
Tinea cerasiella, 282.
" cratægella, 282.
" _granella_, 279.
" lapella, 282.
" rusticella, 282.
" tapezella, 280.
" _walking, Larva of_, 281.
Tineina, 279.
Tipula culiciformis, The, 44.
" oleracea, 45.
Tipulidæ, 35, 43.
Tomicus, Genus, 519.
_Tortoise-shell Butterfly, Large_, 113.
" " _Chrysalis of_, 161, 162.
" " _Larva of_, 183.
" " _Small_, 184.
" " _Caterpillars of_, 147.
" " _Chrysalides of_, 147, 148(_three figs._).
Tortrix, Green, 270.
" roborana, 269, 270.
" _roborana_, 270.
" sorbiana, 269.
" _sorbiana_, 270.
" viridana, 270.
Tracheæ, 14, 15, 25.
Trachys, The Genus, 515.
Trichidæ, 440.
Trichius fasciatus, 23, 441.
Trichoptera, Order, 402.
Tridactylus, The Genus, 298.
Trochanter, 6; of Lepidoptera, 167.
Trox, 458.
Truxales, 312.
Tsetse Fly, The, 74; Livingstone on the, 75.
" " _The_, 74.
_Umbonia Spinosa_, 115.
Urocerata, The, 395.
Valgus hemipterus, 445.
Vanessa antiopa, 185.
" Atalanta, 186.
" C. album, 187.
" cardui, 187.
" Io, 185.
" polychloros, 182, 183; Chrysalis of, 162.
" urticæ, 147, 184, 185.
_Vapourer Moth_, 252.
Vermileo, 52.
" de Geeri, 52.
" _de Geeri_, 52.
Vespa crabo, 370.
" Norvegica, 370.
" vulgaris, The, 369.
Vespiariæ, 314.
_Vine Pyralis_, 276.
" _Caterpillar of_, 276.
" _Chrysalis of_, 276.
" _Three States of_, 277.
Visceral cavity, 15.
Volucella, The, 52, 53.
" _a Species of_, 52.
Wasp, 313, 367; Pupa of Common, 371; Nest of, Exterior, 372;
Interior of, 373.
" Bush, 370.
" _Bush_, 369.
" Card-making, 376.
" _Card-making_, 376.
" Common, 370.
" _Common_, 369.
" " _Pupa of_, 371.
_Wasp's Nest_, 368.
" _Exterior of_, 372.
" _Interior of_, 373.
Water Scorpions, 97.
Weevil, 517.
" Bean, 517.
" Clover, 517.
" Pea, 517.
" Rape, 517.
" Turnip, 517.
" Vetch, 517.
" Wheat, 517.
Whirligig Beetle, 478.
_White Admiral_, 189.
White Ant. _See_ Termes.
_Willow Leaves rolled by Caterpillar_, 274.
Wings of Insects, 8.
_Winter Moth, Male and Female_, 267.
Woolly Bear Caterpillar, 153.
_Woollen Moth_, 280.
" _Larvæ of_, 280.
_Working Bee_, 317.
Xenos Peckii, 504.
" Rossii, 503.
" vesparum, 503.
Xylocopa, 364.
Xylopoda fabriciana, 269.
" _fabriciana_, 269.
Xylotrupes dichotomus, 456.
" _dichotomus_, 457.
Zeuzera æsculi, 257.
" _æsculi_, 257.
_Zophosis, Front Leg of a_, 7.
Zygæna filipendulæ, 193.
" _Cocoon of the_, 193.
Zygænidæ, 193.
_Zygia oblonga, Antennæ of_, 5.