A revi.^ioji of the G-'uera of the Siih-famifj Pieriiue : by 

 Arthur CrARDiNBni Butler, F.L.S., F.Z.S., &c. 



It is now about twenty-tliree years since Mr. Doubleday 

 revised this group of Butterflies in the " Genera of Diurnal 

 Lepidoptera," in this work he recognized eighteen distinct 

 genera, several of which he separated into sections in the 

 lielief " tliat at some future time they would Ije adopted as 

 generic divisions." 



Of the eighteen genera aliove mentioned only eleven 

 have any claim to stand, ^■iz., Euterpe, Swains ; I'ieris, 

 Boisd ; (but not of Schrank, Hiibner, nor Latreille) ; Zecjris, 

 Rambur ; Natlialis, Boisd ; Hehomoia, Hiibner ; Eronia, 

 Boisd. ; Callich'i/as, Boisd. and Tcrias, Swainson, (for con- 

 venience sake) ; Gonepteryx, Leach ; Colias, Fabricius ; the 

 remainder were all previously characterized or the generic 

 name preoccupied. 



Since the publication of the " Genera " the group has 

 Ijeen taken in hand by Messrs. Wallengren, Felder, 

 Herrich Schiiffer, Eeakirt, and Wallace, all of whom have 

 added genera, and thus greatly facilitated the study of the 

 sub-family. 



The unwieldy genus Fieris has been rendered more in- 

 telligible by the labours of Messrs. Felder, Wallengien, and 

 Wallace, but hitherto it has still remained far too large and 

 will readily bear further sub-division ; the genus Tcrias is 

 almost in a worse condition, the little genus Leuciclia of 

 Herricli-Schiiffer only liaving relieved it of two or three 

 species. 



In the following pages I hope to be enabled to ad- 

 vance tlie study of these beaxitiful butterflies by a careful 

 revision of their characters and by the erection of new 

 uenera. 



EEVLSION OF SYNONYMY. 



GENUS 1. PRIONERIS. JFallacc. 



Trans. Ent. Soc. London, 4, 3rd S., pt. 3, p. 'SS'd. 

 (November, 18(37.) 



D 



CLSTUL.V ENTOMOLOtiIC.\, 



Septembei- i.,', ^570. 



