xiv TABLE OF CONTENTS. 



Page 



Genus Satyrodes 187 



Excursus IV. The Eggs of Butlerfies 190 



Satyrodes eurydice 193 



Genus Neonympha 199 



Excursus V. The Modes of Suspension of Chrjjsalids 201 



Neonyniplia i)liocioii 203 



Genus Cissia 20S 



Excursus VI. The Geographical Tiistnbulion of Butterflies 211 



Cissia eurytus 214 



Subfamily Nymphalinae 222 



Tribe Apaturidi 228 



Genus Chlorippe 231 



Excursus VII. The Ancestry of Butterflies; the Primaeval Form 235 



Chlorippe clyton 241 



Tribe Nymphalidi 249 



Genus Basilarcliia 250 



Excursus VIII. The Means employed by Butterflies of the Genus Basilar chia for 



the Perpetuation of the Species .....' 260 



BasilarcLia archippus 2G7 



Basilarcliia astyanax 2S0 



Basilarcliia proserpina (astyanax-arthemis) 289 



Basilarcliia artliemis 294 



Tribe Vanessidi 306 



Genus Polygonia 309 



Excursus IX. Dimorphism and Polymorphism 316 



Polygonia interrogationis 319 



Polygonia comma 332 



Polygonia satyrus 344 



Polygonia faunus ^ 348 



Polygonia gracilis 359 



Polygonia progne 362 



Genus Eugonia 372 



Excursus X. Butterflies at Night and at Sea ; out of Season and out of Place . , 376 



Eugonia j-album 379 



Genus Euvanessa 387 



Excursus XL Butterfly Sounds 392 



Euvanessa antiopa 397 



Genus Aglais 413 



Excursus XII. Hoic Butterflies winter 418 



Aglais milberti 420 



Genus Vanessa 430 



Excursus XIII. Butterflies common to the Old and the New World; where did they 



originate!' 436 



