^M^ 



K<v».«rn.;'^^. 



CiROUP OI'"' BUTTERFLJES ON i ;0LI>EN-R01) , TO ILLUf^TRATE DISPLAY OF COLOR 



ON WINGS. 



Al'ovr, a fritilkiry (ArtrxTinis) ; to I he riplit, a n\-raph (Brenthiy bcilone) ; below, thr 

 monarch (Anosia piejiir'pus) ; lo tlie lelL, a wood nymph (,Sat>Tu^). 



