RILEY HACKBERRY BUTTERFLIES. 



Hackberry Butterflies. 



Descriptions of the early Stages of Apatura Lycaon, Fabr., and 

 Apatura Herse, Fabr. / -with Remarks on their Synonymy. 



By Chas. V. Riley, M.A., Ph.D. 



One of the most beautiful of European butterflies, much coveted 

 and prized by the collector, especially in England, where it is ex- 

 tremely rare, is that known as the Purple Emperor (Apatura Iris 

 Fabr.) The wings in the male of this magnificent species exhibit 

 now the deen brown whirh nlnnp the* fpmalo oe o ,-.,1^ ~^o~„ — 



ERRATA. 



On page 218, last line in column representing number of "feet in thick- 

 ness," read 285£ feet. 



On page 241. for "Shrank" read Schrank. 



On page clxvi.. strike out the second paragraph. 



»' — ~ — «««*oi*. & c*v.<~vumo v/a in«- tciu Willi WHICH 



the larva and chrysalis have been sought by some of the earlier 

 entomologists, and of the pleasure which their discovery has af- 

 forded. The larva feeds on Salix. 



In this country there are two butterflies belonging to the genus 

 Apatura, as heretofore understood, viz., Lycaon Fabr. and Herse 

 Fabr. The complete natural history of these has so far remained 

 untold ; and from any figures or descriptions extant they could 

 not be distinguished from each other in their earlier stages. In 

 Boisduval et LeConte's Iconographie •* to which we naturally look 

 for something respectable, the figures are, to speak in their own 

 language, affreuses. No characteristics are given by which the 



* Hist. Gen. et Icon, des Lepid. et des Chenilles de l'Am. sept., 1S33. 



iii— 13 [Deo. 10, 1873.] 



