between lepidopterous larve and ther surroundings. 325 
| | 
| | p 
Vill 
v. VI. 00 ae IX. 
Reddish-brown Lichen-covered | Weathered pale grey | es, t Orange paper 
twigs. | sticks. barkless twigs. | (Populus nigra). | spills. 
| 
ee | _ SP ee eS Lae Ee 
r . . . | . 
10 on twigs,7on| 10 on sticks, 4| 12 on twigs, 1) 11 on spills, 4 
green. All brown | on green. 6 with | on green, All very | jon green. All 
like twigs. green patches, | pale and extremely | pale yellowish- 
very marked in 2. | like twigs. brown. | 
| 
As before. As before. Some As before. As before. | 
larve mature. 
/ | 
|= a | a = | 
| | | 
| Some larve | Others mature. | As before. | Some larve | 
mature. | mature. 
| = a | 
| . | . | 
Some larvie have | 3 or 4 with| All now much| Larve very| Very light 
become of a much | green patches, 3 darker, but still light brown, | brown, like VIII. 
darker brown or 4 with brown. like the darker | like IX. | 
| | 
lately. The change | twigs in the, 
probably due to cylinder. Some | 
maturity. mature. 
10 still feeding. 7 feeding. All| 10 feeding; all) (July 31.) A. 7 feeding, all 
8 on twigs, 2 on on sticks. on twigs. Atypical) typical larva on spills. 
green, larva was painted ; | painted ; shown 
|shown on Plate|on Plate XVI, _ 
/ | XVI, fig. 2. | fig. oa. 
4 feeding. All| 2 feeding. | 6ontwigs,lon| 6 feeding. All| 5 feeding. 4) 
on twigs. | | green. pale brown. on spills, 1 on) 
| muslin. 
(Aug. 19.) 1| (Aug. 18.) All| 7 still feeding.| 5 feeding, 1| As before. All| 
still feeding. _pupated, |(Aug. 19.) 2 still} dead. (Aug.19.)| 5 on spills. (Aug. | 
feeding. '5 feeding; all| 20.) All pupated. | 
very pale brown, 
4 feeding on | 
Aug. 26, and 1 
or more on Aug. 
31. 
