hetween lepidopterous larve and ther swrrowndings. 
V. 
Reddish-brown 
twigs. 
| 17 young larva | 
introduced, 
| All 17 evidently 
becoming brown 
like the twigs. 
ae like the 
twigs. 
is 
As before. 14 
fea twigs, 2 on 
| green, 1 uncertain, 
| All 17 on ee 
| They become much 
lighter when 
changing skin. 
_——e 
17 on twigs. 
| Distinetly brown, 
and not purplish 
like II] and IV. 
| 16 on twigs, 1 
on green. All 
Aa as before. 
{ 
16 on twigs, 1 
(on green, 
) 
| 
but darker brown. 
| 
VI. 
Lichen-covered 
sticks. 
} 
14 young larve | 
‘introduced. 
VII. 
Weathered pale grey 
barkless twigs. 
(June 3.) 15 
‘young larve in-| 
troduced. 
(June 9.) Re-fed. 
14 jae vie 3 var'i- 
able, with no 
‘marked resem- 
| blance to lichen. 
| 
| 
10 on sticks, 4 
on green. Some 
(distinctly — varie- 
gated light and 
‘dark brown, but 
no green marks 
yet. 
"Apparently ad 
‘coming light} 
brownish and ap- 
|muslin roof, 1 on 
resemble twigs. 
(June 22.) 
on twigs, 1 on 
muslin, 3 on green, 
9 on sticks, 5 
on green. Larvae 
still very varie- 
ee 
12 on sticks, 2 
on green, A few 
dark but mostly 
light and varie- 
gated with shades 
of brown. 
12 on sticks, 
on green. Two 
larve variegated 
with dark green: 
the rest as before, 
9 
~ 
13 on sticks, 1 
on green. 4 larvie 
with dark green 
patches, strongly 
developed in 2 of 
them. 
13 on twigs, 
on green. 
} 
proaching colour 
of eee 
(June 18.) 13 | 
on twigs, 1 on 
shoots of food-plant| 
|green. All closely | ‘faintly greenish. 
mn 
1 
| 
323 
VIII. | Ix | 
Green leaves and | Orange } oaper 
spills. 
| 
| 
(Populus nigra). 
5younglarve| 15 young larve | 
Sntraduce | introduced. 
Al 15 very | 
pale brown 
| 
! 
t 
| 
| 
| 
=| 
| 
(June17.) All. 6 on spills, 1 
15 very pale} on muslin roof, | 
| brown, some 8 on green. All| 
very light brown. | 
| 
| 
(June 22). As 14 on spills, 1 
All 14 light grey 
and 
perfectly 
twigs. 
10 on twigs, 
harmonizing very 
with brown, ee not | VIII, 
| greenish. 
— | ——_____ 
4| 
on green. 1 larva 
injured. Appear- 
ance as before. 
11 on Digi 2] 
on green. 
| 
before. on green, Colour. 
_as before. | 
| 
14 eats All| All 15 on vieainet 
ight|Larve resemble | 
only not’ 
quite so light. 
11 on spate, 
on green. Very) 
light yellowish- | 
brown. 
| 
_| 
12 on J apattee 3| 
/on green. | 
