FOREST LIFE. 



191 



by a purplish brown V-shaped mark. The tubercles 

 on the body are small, of an orange color, with me- 



FiG. 154. — Larva of the Polyphemus-moth. 



tallic reflections. The cocoon (Fig. 155) is dense and 

 usually inclosed in 

 a leaf. Sometimes 

 it is fastened to a 

 twig, but ordinari- 

 ly it falls to the 

 ground with the 

 leaves in the au- 

 tumn. Observe and Fig. 155.— Cocoon of the Polyphemus-moth, 



