TABLE OF CONTENTS. \ii 



Gcnns XouUiidin lOCl 



Excursus XLI. The ColvHitation of Sfw Engtaitd W,\ 



Xaiitliidin iiicip|>c lOGG 



GcDui Eurciim 1073 



ExcUBSrs XLII. The Sirarminff and Mii/ra/ioiis of liutlerfliea 1077 



Eurcnin li^« 1087 



Gcmis Eurvnms 109ft 



Excursus XLIII. Color Prr/ereiieo of Butterflies; the Origin of Color in Butterjlies 1101 



Euryiiius interior 1105 



Eurymus pluloJicc 1111 



Euryiniis eurytbcine 1126 



Tribe Anthocharidi Ii;i7 



Gemis Antliociiaris 1139 



ExcUBSUS XLIV. Protective Coloring in Calcrpillars 114:5 



Aiitliocbaris gcuutia 11J7 



Tribe Pieridi 1154 



Genus Pontia 1156 



ExcUKSvs XLV. Cosmopolitan Butterjlies 1160 



Poutin protodicc ... 1163 



Genus Pieris 1171 



ExcuKSUS XLVI. The Spread of a Butterfy in a new Region (witli a map) . . . 1 1 75 



Pieris oleracea 1191 



Pieris rapne 1205 



Subfamily Papilioninae 1219 



Genus Laertias 1230 



Excursus XLVII. A Study of Certain Caterpillars 1234 



Laertias pliilcnor . . 1241 



Genus IphicUdes .... 1252 



EXCTBSUS XLVIII. The Butterfly in Ancient Literature and Art. Bj C H. B. . 1257 



Tpliiclides ajnx ... 1264 



Genus Jasoniades 1280 



ElCTmsus XLIX. Melanism and All/inism 1285 



Jasoniades glaucns ...... 12S8 



Genus Euphoeadcs .... 1305 



ExcxTBSUS L. Deceptive Derices among Caterpillars ; or, the Defences of Caterpillars 1310 



Euphocades troilus 1313 



Genus Hcraclides . 1327 



Excursus LL Southern Invaders 1332 



Hcraclides crcsphontcs . . ... 1334 



