EASTERN UNITED STATES. 57 



186. ISris-o-ni''a-des Ju-ve-na'lis, Fabricius. 



187. Nis-o-niVdes Pc-tro'ni-us, Lintner. 



188. Nis-o-ni''a-des Nno'vi-us, Lintner. 



189. Phol-i-so'ra Ca-Uil'lus, Fabricius. 



190. Phol-i-so'ra Hay-hiirst'i-i, Edwards. 



191. Eu-da^'mus PyKa-dcs, Scudder. 



192. Eu-da'mus Ba-thyFlus, Smith and Abbott. 



193. Eu-da'mus Ly9''i-das, Smith and Abbott. 



194. Eu-da'mus CeKlus, Boisduval and Leconte. 



195. Eu-da''mus Zcs''tos, Hiibner. 



196. Eu-da''mus Tit'y-rus, Fabricius. 



197. Eu-da'mus Pro''te-us, Linnaeus. 



198. E-ry9'i-des Bat-a-ba-no'', Lefebvre. 



199. E-ryQ'i-des A-myn'tas, Fabricius. 



200. .iE-gi^a-le Yuc^cse, Boisduval and Leconte. 



201. ^gi^a-le Cof-a-qui^, Strecker. 



ANALYTICAL KEY FOR THE DETERMINATION OF 

 THE BUTTERFLIES OF THE EASTERN UNITED 

 STATES. 



1. 



Antennae filiform, terminating in a knob or club, 



BUTTERFLIES, 2 

 Antennae not knobbed, MOTHS. 



2. 

 Having six feet adapted for walking, 3 



Having four feet adapted for walking, the front pair aborted, 35 



3. 



Body rather slender, width of thorax from one-eighth to one- 

 sixth the length of hind margin of fore wings, 4 



Body robust, width of thorax from one-fourth to one-half the 



length of hind margin of fore wings, Hesperidae, 120 



4. 



General or ground colors black, white, or yellow ; size generally 



from medium to large, Papilionidae, 5 



Colors blue, coppery, or blackish ; size generally small, 



Lycaenidae, 89 



