152 PARSONS ON THE EOSE. 



plants attacked by these caterpillars are known by their 

 ruffled leaves, partly eaten, and more or less covered with 

 silk." The writer does not give their name, nor the re- 

 sult of any experiments for their destruction ; he merely 

 mentions it as an instance of the great abundance of in- 

 sects on almost every plant. Such being the case, there 

 is abundant room for farther observation and research, i 



