r 676 1 



'r/ieretra, Hi pintlion, etc., ocfiin'iiig in the Nearctic aiul Neotnipical Reginus. Tliere 

 is 110 qnestiou of mistaking an Aiuericau species for an Old World one (or the 

 reverse), if the palpi are examined. 



The development of the midtihial spurs is most peculiar ia so far as the iuuer 

 spur is in many species ohviously shorter than the outer one, while normally the 

 outer spur is the shorter. This abnormal relation of length is due to the reduction 

 of the inner spur. Some species are very interesting in this respect, showing 

 individual and sometimes geographical variation in the length of the spurs {amadis, 

 iu'chut>, etc.). 



The venation of the hindwing is not i^uite constant iu the geuus, the j)osition 

 of the cross-veins and the central veins being affected by the obvious difference 

 in the shape of wing observed iu some more distantly related species (comi)are 

 for instance tfrna, pistccuxi, (frpiiiseti). 80- and U' are sometimes stalked 

 {crratomioides, etc.). 



Key to the sjiecies : 



a. Lines of forewing transverse, their posterior 



parts not close together in middle of 

 inner margin, never longitudinal ; pale 

 band of hindwing not scjiarated into 



spots 



Lines of forewing obliijue, more or less 

 converging towards apex of wing . 



b. Band of hindwing ochre-yellow . 

 Band of hindwing not oehre-yellow . 



c. Body and forewing ferruginous or uniformly 



pale cinnamon-rufous .... 



Body and forewing not so coloured . 

 (/. Forewing with more than one line, hind- 

 wing with conspicuous creamy patch or 

 baud ....... 



Only one distinct line on forewing ; hind- 

 wing without creamy patch . 

 f. First discal line of forewing forming a 

 heavy band which is more or less straight, 

 gradually shading off distally, while 

 being rather sharj)ly defined proximally 

 First discal line thin, often indistinct 

 /'. Bright greyish green above, hindwing 

 black with green band .... 



Dirty greenish buft", baud of hindwing this 

 same colour ...... 



(J. Abdomen with an isolated black basi-lateral 

 jiatch, wings without green . 

 Abdomen without an isolated black basi- 

 lateral patch 



h. Inner edge of forewing white except at 

 base ; fringe of hindwing even, without 

 sharply marked dots .... 



(J24. X 



■ J'- 

 pinto. 



G;!S. 



6'2o. 



62U. 



G3n. 



A', rafesceiis. 

 X. irrontta. 



