Square-spot Dart, 208. _Plate 106_ " " Rustic, 228. _Plates 112, 114_ Square-spotted Clay, 223. _Plate 113_ _Stauropus fagi_, 64. _Plates 26, 27_ Stigmata, 5, 6 _Stilbia anomala_, 315. _Plates 151, 152_ _Stilpnotia salicis_, 112. _Plates 43, 44_ Stout Dart, 215. _Plate 107_ Stranger, 246. _Plate 122_ Straw Underwing, 269. _Plate 128_ Striped Hawk, 41. _Plate 15_ Striped Wainscot, 307. _Plate 147_ "Sugaring," 11 Swallow Prominent, 69. _Plates 28, 29_ Sweet-gale Moth, 197. _Plate 103_ Swifts, 4, 7 Sycamore, 192. _Plates 100, 102_ _Synia musculosa_, 302. _Plate 146_ _Tapinostola bondii_, 301, _Plate 146_; _elymi_, 302, _Plate 146_; _extrema_, 301, _Plate, 146_; _fulva_, 300, _Plate 145_; _hellmanni_, 301, _Plate 146_ Tawny Shears, 251. _Plate 124_ _Tholera cespitis_, 256. _Plate 128_ Three Humped, 72. _Plate 31_ _Thyatiridæ_, 85 _Thyatira batis_, 86. _Plates 36, 37_ Tiger Moths, 148 _Tæniocampa gothica_, 326, _Plate 155_; _gracilis_, 331, _Plate 158_; _incerta_, 330, _Plate 157_; _miniosa_, 327, _Plate 158_; _munda_, 330, _Plates 158, 159_; _opima_, 331, _Plate 157_; _populeti_, 329, _Plate 157_; _pulverulenta_, 328, _Plates 158, 159_; _stabilis_, 328, _Plate 158_ Tongue, 2 _Tortricina_, 7 _Trachea atriplicis_, 264. _Plate 126_ Treble Lines, 314. _Plate 151_ Tree-lichen Beauty, 201 _Trichiura cratægi_, 111. _Plates 50, 51_ _Trigonophora flammea_, 290. _Plate 141_ _Trifinæ_, 201 _Triphæna comes_, 230, _Plates 115, 118_; _fimbria_, 233, _Plates 116, 118_; _ianthina_, 234, _Plates 116, 118_; _interjecta_, 234, _Plate 116_; _orbona_, 230, 231, _Plates 115, 118_; _pronuba_, 232, _Plates 115, 118_; _subsequa_, 231, _Plate 115_ Triple-spotted Clay, 222. _Plates 110, 111_ True Lover's Knot, 210. _Plate 107_ _Trypanus cossus_, 6 _Trypanidæ_, 6 Turnip Moth, 201. _Plate 104_ Tussock Moths, 94 Twin-spotted, 297. _Plates 114, 148_ " Quaker, 330. _Plates 158, 159_ Uncertain, 317. _Plate 151_ Union Rustic, 273. _Plate 132_ _Valeria oleagina_, 266. _Plate 127_ Vapourer, 96. _Plates 40, 41_ Varied Coronet, 250. _Plate 124_ Vine's Rustic, 318. _Plate 151_ Viper's Bugloss, 252. _Plate 125_ Water Ermine, 150. _Plate 75_ Webb's Wainscot, 296. _Plates 144, 148_ White Colon, 240. _Plate 120_ " Ermine, 149. _Plates 74, 75, 78_ White-line Dart, 207. _Plate 106_ White-marked, 325. _Plate 155_ White-point, 312. _Plate 149_ White Prominent, 75. _Plates 32, 33_ " Satin Moth, 102. _Plates 43, 44_ " Speck or American Wainscot, 310. _Plate 149_ " Spot, 249. _Plate 124_ Wings, 3 Wing Areas and Lines, 4; cells, 6 Wood Tiger, 157. _Plates 80, 81_