GROWTH OF INSECTS. 



73 



holding the chrysalis horizontally, or vertically, against the 

 fence, as in Fig. 80, C. 



Some of them are encased in a mesh of threads, which 

 may be built against the fence, or under the edges of clap- 

 boards on the sides of houses. And within the cocoons col- 

 lected, the chrysalides, or their empty cases, will be found, as 

 in Fig. 73. 



FIG, 74. PORTION OF A FENCE, HAVING UPON IT, AMONG OTHER THINGS, EGGS, CATERPILLARS 



AND CHRYSALIDES OF INSECTS. 



Rich collecting-places may always be found on old garden- 

 fences in cities and towns. Fences surrounded by trees and 

 bushes will oftentimes have a great many insects lurking 

 under projecting edges caterpillars climbing up the posts, 



