326 



AGRICULTURE. 



Flo. Il6. AMERICAN TENT-CATKKIML- 

 I.AR (Clisiocampa aincricana). 1 * 



forth to feed upon 

 the buds, and soon 

 the colony, for 

 they are social 

 beings, spins a 



silken 



j_ > > 

 " tent, 



fork of 



web, or 



on the 



a branch 



(Fig. 1 1 6, a to />), 

 to which the cater- 

 pillars retire at 

 night and in cold 

 and stormy weath- 

 er. They grow 

 rapidly, and greed- 

 ily d evo u r the 

 leaves as they 

 come out, doing 

 much damage. 



O 



When the cat- 

 erpillars are grown 

 about two 

 long and 

 covered with hairy 

 They 



e s 



a and b Full-grown worms on the outside of 

 the tent, c Kgg-mass, with the gummy cover- 

 ing removed. (/-Cocoon, containing the chrys- 

 alis. Above all, the moth. 



(After Riley.) 



* Our Western species (Clisiocampa fragilis) 1 , 

 resembles the alx>ve so closely that the figure OTIS 

 serves equally well for it. 111*1 



are black with a 



white stripe down the median line, and with 

 short yellow lines and pale blue spots on each 

 side (Fig. 116, a and />). When they have 

 reached their growth they leave the tree, seek 



