GENERAL INDEX VOLS. I TO IV. 



531 



ii. 183 



ii. 166 



ii. 191 



ii. 183 



11. 423 



ii. 218 

 ii. 92 



PAGE. 



gentipedella . . i. 292 



Pacbygastria trifolii and vars. 



with P. eversmanni . . .. iii. 19 



Pachythelia villosella with its 



allies . . . . . . ii. 401 



Proutia betuliua with Bacotia 



sepium . . ii. 258, 285, 286 



with Fumea casta and P. 

 salicolella . . . . . . ii. 286 



with P. rouasti .. .. ii. 287 



Smerinthus hybr. hybridus 



with parent species and allies iii. 453 



Solenobia inconspicuella with 

 S. wockii 

 with its allies 



S. triquetrella with its allies . . 



S. wockii with S. inconspicu- 

 ella .. 



(S. cembrella with S. mannii 

 ii. 186; var. pineti with S. 

 mannii ii. 195; S. clathrella 

 with S. mannii ii. 195 ; with 

 its allies ii. 198 ; S. fumosella 

 with its allies ii. 189 ; S. sui- 

 funella with its allies ii. 183) 



Sterrhopterix hirsutella with S. 

 standtussi 



Taleporia tubulosa with T. 

 politella 

 Crem astral cable 

 Cross-pairing i. 387 (Anthrocera 

 with Procris); 419, 517 (spe- 

 cies of Anthrocera); rare in 

 nature, 545 ; ii. 525 (species 

 of Malacosoma); iii. 120 

 (Lachneides); 234(Dimorpha 

 versicolora and Aglia tau) ; 

 380 (Sphingides) ; 508 (He- 

 maridsj : (see Hybridism). 

 Dehiscence i. 366. 375, 382, 384, 

 396, 413, 477, 496, 504, 525, 

 537; ii. 61,110,143,180,298, 



33o, 345. 3 62 > 390, 4°9> 4 2 9, 

 443; iii. 102, 175, 196, 219, 



258; iv. 127, 273 (note) 

 Development, of larval markings 

 in Sphingidsiv. 74, 101, 137, 

 155, 186,228,285, 417,472, 

 474 ; of imaginal wings re- 

 tarded ii. 37,476; iii 22o:(see 

 imago, scales, and i. ch. iii. 

 v. and ii. ch.i.iv. v. Synopsis) 

 Diarrhoea in larvae, cured 

 Dimorphism, seasonal . . i. 68 

 in larva? 



sexual i. 67, 429; ii. 112, 445 ; iii 

 (see also under each species). 

 Dorsal hooks of pupa .. . . ii. 97 



Double-broodedness, phylogene- 



tic importance of .. .. iii. 117 

 Egg, see i. ch. ii. iii. Synopsis 

 Embryology as bearing on phyto- 

 geny ' i. 17 



(see also i. ch. iii. and ii. ch. i. 

 Synopsis). 



iii. 248 

 iii. 117 



503 



118 



111. 



Embryonic cells 



Environment, sensitiveness of 

 larval colours to 

 as tending to differentiate 

 species 



(see Imitation). 

 Errata i. 162, 354, 546; ii. 569; 

 Experiments : 



Colour of cocoons of Satur- 

 nia pavonia as affected by 

 damp (May) iii. 330 ; by en- 

 vironment (Bateson) 



Crossing various races of Lasio- 

 campa quercus (Bacot and 

 Warburg) 



Feeding L. quercus larvae on 

 pine (Fuchs & Bieger) iii 



Haemolymph (Landois) ii. 79, 

 (Mayer) . . . . ii, 



Homologies of larval, pupal 

 and imaginal legs (Reaumur 

 and others) 



Hybridization of Anthrocerae 

 (Fletcher) 



of A. populi and S. ocellata 

 (House) 



Larval coloration (Miss Gould) 

 i. 88 ; (Poulton) . . i 



Mating instinct in moths 

 (Mayer) 



Moulting of Arctia caja (Chap- 

 man) 



of Triphaena comes, as de- 

 pending on food (ditto) 



Parthenogenesis in Bombyx 

 mori (Jourdan) 

 in Lasiocampa quercus 

 (Tardy) 

 in Orgyia antiqua (Eaton) . . 



Pigment of wings (Hopkins 

 and Griffiths) 



Temperature, its effect on pupae 

 of Lasiocampa quercus (Mer- 

 rifield) iii. 33 ; on larvae, i. 

 68; onovaofOdonestispruni 

 and Dendrolimus pini(Stand- 

 fuss) 



Terrifying marks of larva of 

 Hippotion osiris, their value 



(Marshall) 



Fluid, in larval hairs, i. 07 ; ex- 

 creted from larval scent- 

 glands, i. 94, 96, 97 ; from 

 honey-glands, i. 97; from 

 mouth, i. 99, hi. 116; be- 

 tween the two larval skins at 

 moulting, ii. 10 ; as an aid 

 to emergence from cocoon, 

 li- 37. 64; for colouring 

 Lachneid cocoons . . 

 Foodplant, its influence on colour 

 of larva, i. 83, 85 ; iv. 315; 

 of imago . . . . , . jii # 



Forcing, ova, iii. 116; larvae, 

 iii. 133 ; pupae, ii. 515 ; 



PAGE, 

 ii. 67 



i. 548 

 iii. 540 



iii. 329 



iii. 34 



• 4 8 . 57 

 . 80, 81 



ii. 18 



i. 419 



iii. 499 



• 43. 87 

 iii. 290 



ii. 14 



ii. 12 



i. 25 



i. 27 

 i. 28 



ii. 81 



iii. 116 



iv. 117 



11. 442 



48, 57 



