38 Mr. Butler's Bevision of Genera of 



GENUS 35. PONTIA. Fabricius. 



lUiger's Mag., 6, p. 283 (1807). 



Aporia, Hiibn. ; Leuconca, Doiiz. ; Neoiiha>ii(i, Belir. 



I can find no structural difference between P. Oratay/i 

 (tlie type) and tlie Mima and Judith groups ; P. Cocytia, 

 Notha, and Menaina may form a section {Ncopliasia, Behr.) 

 on account of the different form of tlie wings. 



GENUS 36. METAPORIA. Butler. 

 Differs from the preceding in the position and length of 

 the disco-cellulars and in the less hairy palpi. 



GENUS 37. SYNCHLOE. mibncr. 

 Verz. bek. Schmett, p. 94 (18 10). 



This generic name has been applied to a genus of Nym- 

 2)Jmlina'; the latter may now take the name Chlosyne. 



GENUS 38. TATOCHILA. Butler. 

 Allied to the preceding and to Pontia, but differing from 

 Symliloe, in neuration, and from Pontia in form and palpi. 



GENUS 39. HERP^NIA. Butler. 

 Besembles an Argc (Satyrince) in coloration : it differs 

 from the preceding genera in the totally different disposi- 

 tion of the disco-cellulars in frontwing. 



GENUS 40. PHULIA. Herr-ScMffcr. 

 Corr. Blatt. Zool. min. Ver. Eegensb. XXI., p. 105 (1867). 



GENUS 41. ERONIA. Boisduval. 

 Sp. Gen. Lep., 1, p. 604 (1836). 

 Dryas, WUgr. 



Eestricted to E. Clcodora and the Lcda group. 

 The name Dryas was previously used by Hlibner and 

 has subsequently been used again l3y Felder. 



GENUS 42. NEPHERONIA. Butler. 

 Will include N. Idofcea, Thalassina, Argia, Buquctii, 

 Pilaris, Ghionc, and the Asiatic grou]) N. Hippia, Jobma, 

 Baibera, and allies. 



GENUS 43. EROESSA. Doubleday. 



Gen. Diurn. Lepid., p. 56 (1847). 



The species E. Chilensis bears a general resemblance to 



