60 Key to Families of North American Insects. 



104. Some of the veins at the base of the fore wing greatly swollen; usually small 



butterflies, rarely rather large; frequently of brownish color with yellowish 

 eyespots or ringed marks (Cercyonis (=Satyrus), Ccenonympha, En6dia 



(=Debu), Cissia.) (PL 10. fig. 218.) AGAPETID^ 



Veins not swollen at base of fore wing; large tropical species with very broad 

 wings, above with deep, rich colors, below with eye-spots and intricate lines;, 

 tropical, hi the United States only as accidental visitors. (Caltgo.) 



BRASSOLID^ 



105. Hind wings with a cradle-like depression along the inner margin in which 



the abdomen rests; large species, usually with brilliant metallic blue c^lor; 



tropical. (M6rpho.) MORPHOUXE 



Hind wings without structure of this sort; usually moderate-sized species 

 without brilliant blue coloration; many common brightly colored butter- 

 flies. (Argynnis, Brenthis, Phyciddes, Polygdnia (=Grapta), Euvanessa 

 (= Vanessa), Vanessa (=P</ramm),Basilarchia (= Limenitis), Ansea.) (PL 

 10, figs. 217, 236) NYMPHALIDjE 



106. Palpi very long, porrect, from one-fourth to one-half as long as the body 



and thickly hairy. (Hypatus.) LffiYTHEID^E 



Palpi not elongated, of ordinary size 107 



107. Subcosta in hind wing giving off a spur at the base, the humeral vein. 



(Calephelis, Polystigma) (PL 10, fig. 215) (RIODINIDJE, ERYClNIDsE) 



LEMONED^ 



Subcosta in hind wing without such a spur at the base; first branch of the 

 media almost always arising at or near the apex of the discal cell; no humeral 

 vein in hind wing; generally small, delicate species, the antennae ringed with 

 white; often brightly colored and with very slender, tail-like appendages 

 on the hind wings. (Thecla, Chrysophanus ["Coppers"], Lycaena ["Blues"]) 

 (PL 10, fig. 214) (RURALIDM) LYOENIDJE 



108. All tarsal claws bifid; anterior tibiae without pads; hind wing with two well- 



developed anal veins; medium-sized or rather small butterflies with broad 

 wings; typically yellowish or white with blackish marginal markings. 

 (P6ntia (=Pieris) [P. rapes, Cabbage butterfly], Eurymus (=Colias} ["Yel- 

 lows"], Eurema (= Terias.) PIERIDJE 



Tarsal claws large, not toothed or bifid; anterior tibiae with pads; hind wing 

 with only one anal vein 109 1 



109. Radius in fore wing four-branched; discal cell in hind wing not connected 



to the anal vein by a crossvein; medium-sized butterflies with white ground- 

 color on wings, marked with dusky and usually with a red eye-spot on hind 



wing; alpine species. (Parnassius.) PARNASSIID^ 



Radius in fore wing five-branched; anal crossvein present; hind wing usually 

 with a tail-like prolongation; ground-color of wings black; large, showy 

 butterflies with conspicuous, contrasting color pattern. Swallow-tail 

 butterflies. (Papfflo, Laertias, Iphiclides) (PL 9, fig. 210). 



PAPILIONIDJE 



