INDEX. 



315 



Danais Plexippus (Monarch or 



Milk. weed butterfly), 10, 15, 



18, 25, 29, 35, 44, 57, 59, 61, 



62, 63, 70, 82, 118, 119, 120, 



136, 194, 202, 206, 298, 307. 

 Darwin, C., 58, 188, 190, 191, 



198, 204, 213, 216, 231. 

 Derivation of New England 



butterflies, 268. 

 Deschamps, B., 199. 

 Dewitz, H., 96. 



Diana, see Semnopsyche Diana. 

 Digestive system, 80, 90. 

 Digoneutism, 128. 

 Dimorphism, 164 ; seasonal, 



164, 234; simple, 167, 235; 



mixed, 169 ; sexual, 180. 

 Distribution of butterflies, 260. 

 Diversity of sexes, 180. 

 Dorsal vessel, 82, 84, 92. 

 Dryades (Fritillaries), 123, 142, 



144, 195, 202, 235, 300. 

 Dusky wing, Funereal, see Tha- 



naos f uneralis. 

 Dusky- wing, Juvenal's, see Tha- 



naos Ennius. 

 Dusky-wing, Persius', see Tha- 



naos Persius. 

 Dusky-wing, Sleepy, see Tha- 



naos Brizo. 

 Dusky-wings, see Thanaos. 



Early form of butterfly, 238. 



Eating, the end of caterpillar 

 existence, 88 



Edwards, W., 118. 



Edwards, W. H., 26, 34, 149, 

 166, 167, 168, 169. 



EGGS, 6 ; their beauty, 6 ; form, 

 7 ; sculpture, 8 ; changes in 

 the interior, 11, 101 ; duration, 

 12, 101 ; manner of laying, 

 98 ; eaten by young cater- 

 pillars, 101 ; relation between 

 clustered eggs and gregarious 

 caterpillars, 104. 



Elfin, Banded, see Incisalia Ni- 

 phon. 



Elfin, Brown, see Incisalia Au- 

 gustus. 



Embryonic changes, 11, 101. 



Emperor, Tawny, see Chlorippe 

 Herse. 



Emperors, see Chlorippe. 



Epargyreus Tityrus (White- 

 spotted Skipper), 46, 48, 54, 

 107, 108, 205, 253, 256, 267, 

 304, 309. 



Ephori (Hair-streaks), 23, 30, 48, 

 141, 193, 195, 201, 202, 264, 

 301. 



Epicalia, 191, 299. 



Equites (Swallow - tails), 24, 

 31, 108, 121, 135, 201, 202, 

 203, 246, 247, 249, 255, 265, 

 304. 



Erora laeta (Spring Beauty), 

 187, 301, 308. 



Erycinides, 301. 



Erycinids, see Vestales. 



Eudamus, 305. 



Eumaeidae, 301. 



Eupboeades Troilus (Green- 

 clouded Swallow-tail), 38, 39, 

 41, 44, 253, 304, 309. 



Euphydryas Phaeton (Balti- 

 more), 9, 99, 104, 105, 106, 

 254, 300, 308. 



Euphyes Metacomet (Immacu- 

 late Skipper), 71, 265, 306, 

 310. 



European butterflies compared 

 with American, 151, 261. 



Eurymus (Sulphurs), 105, 161, 

 184. 



Eurymus Eurytheme (Orange 

 Sulphur), 153, 303, 309. 



Eurymus Philodice (Clouded 

 Sulphur), 7, 8, 31, 40, 42, 115, 

 116, 134, 153, 164, 183, 189, 

 303, 309. 



Everes Amyntas, 152, 302. 



Everes Comyntas (Tailed Blue), 

 130, 152, 302, 308. 



Extensile organs, 24. 



Eye-like spots, 213. 



