116 ZYG.ENID/E AND BOMBYCID.T: 



The first of these species is from California, the other two are from 

 the Atlantic States ; none of them are abundant in collections. 



The larvK are naked, smooth, variously humped on the back, and 

 tree feeders. It is only by breeding this group that the insects can 

 usually be obtained in numbers. Should the collector be fortunate 

 enough to obtain a virgin ? , he can usually obtain $ S by exposing 

 the ? in a muslin covered box, at night time, in the proper locality, 

 as the males are attracted thereby, in a manner similar to P, cecropia 

 and other moths of that group. 



l.-NOTODONTA CALIFORNICA. (Plate 4, fig. 5) N. S. 



(5 — ? . Head and prothorax pale creamy brown, the latter mar- 

 gined behind with blackish. Palpi dark brown. Patagia greyish 

 brown, mingled with dark and whitish scales, somewhat darkest on the 

 inner edge. Thorax same as prothorax rather darkest behind. Ab- 

 domen pale yellowish brown. Legs pale as is all the thorax beneath, 

 except the fringes of the anterior pair above, which are brownish grey. 



Anterior wings very pale whitish grey, clouded with clear warm 

 brown at the base, along the inner margin, and on the outer margin ; 

 the cloud along the latter diminishing in width towards the apex; there 

 is also a much darker cloud on the costa, near the apex, occupying 

 the basal half of the subcostal interspaces, and only faintly visible 

 below the last subcostal nervule, but reappearing as a cloudy spot at 

 the base of the ist and 2d median nervules. This costal cloud is 

 divided by the light subcostal nervules, and its very oblique outer edge, 

 leaves between it and the outer marginal shade, a pale oblique band. 

 The outer margin is very narrowly dark brown, followed inwardly with 

 an equally narrow whitish line. The submedian vein is dark brown, 

 whitish on the basal third, and interrupted with two small whitish dots. 

 There is a dark brown longitudinal streak in the interspace below the 

 median vein, below which on the outer third is a pale wedge-shaped 

 dash widest at the outer margin. Fringes dark brown outwardly, 

 paler at the base, somewhat emarginate and whitish in the emargina- 

 tions, and extending along the margin to the dark long tooth. On the 

 inner margin they are dark, interrupted with a light dot opposite the 

 outer dot on the inner vein. ' 



Secondaries pale, very narrowly margined outwardly with dark 

 brown ; and with a dark brown cloud at the anal angle, enclosing a 

 whitish spot on its inner margin, and a pale line parallel with the outer 



