Occasional Papers of the Miiseum of Zoology 1 1 



and adults of boylii; and (3) that the basal shading of the 

 white scales, which has resulted in the confusion of the south- 

 ern Arizona specimens with those from the Cape Region, may 

 well have been derived by conjuncta directly from boylii, 

 since the latter shows this character sporadically throughout its 

 range. 



