244 NATURE-STUDY REVIEW [14:6— Sept., 1918 



2-2 Color. 



3-2 



4-3 Spiracles. 

 4-2 Changes. 



1-3 Intermediate moults. 



1-4 Time — relation between intervals. 

 2-4 Process. 

 3-4 Use of silken pad. 

 4-4 Changes produced by moulting. 

 2-3 Final moult to chrysalis. 



1-4 Preparation inwardly. 

 2-4 Preparation outwardly. 

 1-5 Girdling of silk. 

 2-5 Mode of final moult. 

 3-5 Attachment of end into silk pad. 

 3-4 Comparisons. 



1-5 Between chrysalis immediately after 



moult and half hour later. 

 2-5 Between size of caterpillar and size of 

 chrysalis. 



