464 



BRITISH BUTTERFLIES. 



PAGE. 



Dactylis glomerata, foodpiant of 

 A. sylvanus .. .. 137, 142 



Dactylopius adonidum (mealy-bug) 

 devoured by Spalgis epins larvee 39 



Daisy, flowers attractive to N. tages 290 



Delias harpalyce, gregarious larvae 57 



Dichromatism in adult Satyrid 



larvae . . . . . . 66 



Dip>sacus sylvestris, foodpiant of H. 

 malvae . . . . . . . . 240 



Dorsal canal of larva forming in 

 butterfly eggs . . . . . . 7 



Echium, attractive to A. flav a . . 114 



Egglaying of butterflies . . . . 2 



Eggs of butterflies, 5-7 ; colour of, 

 6 ; position of, 6 ; laid singly or 

 in clusters, 6 ; subject to many 

 dangers, 6 ; development of, 6, 7 ; 

 photographing, 8-11 ; obtaining 12-15 



Embryo in butterfly eggs . . . . 7 



Epinephele ianira, leaf-spinning 

 larvae of, 59 ; E. ianira, ida, and 

 pasiphae, resting-habits of larvae 73 



Epiphysis cruralis ( = tibial) 81, 88 



Erebia epistygne, scipio, and zapa- 

 teri, resting-habits of larvae . . 73 



Erebia zapateri, resting-period of 

 larva . . . . . . 76 



Eryngium campestre(is) , food plant of 

 N.' tages 280 



Euclieira socialis, larvae gregarious 57 



Euchloe cardamines, assimilation 

 of larva to pods of foodpiant, 54 ; 

 to stems of foodpiant . . 72, 75 



Euchloe euphenoides, resting-habit 

 of larva . . . . . . . . 75 



Eugonia polychloros, web-spinning 

 larvae of . . . . . . 57-58 



Euliphyra, larvae carnivorous . . 40 



Eupatorium, attractive to A.fiava 

 114; to R. phlaeas . . .. 405 



Euphydryas phaeton, larvae hyber- 

 nating in a web . . . . . . 53 



Euphoeades troilus, larva a leaf- 

 spinner, 52 ; larva spinning silk 

 for pupation, 61 ; cryptic colora- 

 tion of larva . . . . 67, 74 



Eurema lisa, cryptic coloration of 

 larva . . .. .. 63-64 



Euvanessa antiopa, silk-spinning of 

 gregarious larvae of, 52, 57-58 ; 

 larvae of the warning type 66-67 



External structure of butterfly 

 larvae . . . . . . 18-25 



Feniseca tarquiniusA&vvss carnivor- 

 ous. . . . . . . . . . 37 



Festuca duriuscula, foodpiant of 

 A. sylvanus . . .. .. 142 



Festuca ovina, foodpiant of U. 

 comma . . . . .. . . 179 



Filippi's gland 50 



Foodpiant, selection of, by butter- 

 flies 4 



PAGE. 



Formica flava, attending Lycaena 

 arion larvae . . . . . . 36-7 



Formica smaragdina, attending 

 Lycaenid larvae . . . . . . 33-5 



Fossil insects . . . . ..1,2 



Fragaria vesca, foodpiant of H. 

 malvae . . . . . . . . 240 



Geological remains of insects . . 1 

 Gerydus chinensis, larvae carni- 

 vorous . . . . . . . . 37-8 



Gerydus sy'methus, larvae attended 

 by ants . . . . . . 33 



Glands, secretory, of Lycaenidi . . 30 

 Gynandromorphism in Adopaea 

 flava, 106 ; Chrysophanidi, 417 ; 

 Ghrysophanus hippothoe , 417 ; 

 Heodes virgaureae, 411 ; Loweia 

 alciphron, 417; L. amphidamas, 

 417 ; Bumicia phlaeas, 380 ; 

 Thymelicus acteon . . . . 118 



Heodes virgaureae, trumpet-hairs 

 of pupa, 322 ; gynandromorph 417 



Heraclides cresphontes, larvae re- 

 sembling birds' droppings . . 68 



Hermaphroditism, a kind of, in 

 Hesperiidae . . . . . . 257 



Hesperia, synonymy of, 219 ; char- 

 acteristics .. .. 219-21 



Hesperia malvae, synonymy, 221; 

 original description, 222-3 ; 

 imago, 223 ; sexual dimor- 

 phism, 223 ; teratological speci- 

 men, 223 ; variation, 223-231 ; 

 egg-laying, 231 ; ovum, 231 ; 

 habits of larva, 232-3 ; larva, 

 233-239 ; colour changes in larva, 

 239; pupariura, 239-40; food- 

 plants, 240 ; pupa, 240-4 ; time 

 of appearance, 244-9 ; habits, 

 249-50; habitat, 250-2; British 

 localities, 252-3 ; distribution, 

 253-5 ; larvae dropping by a 

 thread . . . . . . . . 56 



Hidari irava, a leaf-spinner . . 52 



Hieracia, attractive to A. flava, 

 114; to U. comma, 186; seed- 

 heads a resting-place for N. tages 288 



Hipparchia actaea, arethusa, cor- 

 dula, dry as, fidia, ncorniris, pri- 

 euri, and statilinus, resting-habit 

 of larvae of . . . . 73 



Holcus, foodpiant of U. comma . . 179 



Holcus laiut tux, foodpiant of A. 

 flava, 108; foodpiant of A. syl- 

 vanus , . . . . . . . 142 



Holometabolic insects . . . . 5 



Hiibner's classification of "Skip- 

 pers" 83 



Hypatus bachmanii, larva dropping 

 by a thread . . . . . . 56 



h ypophla eas, 1\ u m icia — synonymy, 

 312 ; original description, 342 ; 

 imago, 342-3 ; genitalia, 343 ; 



