FOREST LIFE. 



193 



and other forest trees. It measures when full grown 

 about three inches in length. It is pale bluish 

 green, with a pearl-colored head. It has a pale yel- 

 low stripe along each side of the body, and a trans- 

 verse yellow line on the back between each two 

 abdominal segments. The cocoon resembles that of 

 the preceding species in form, but is very thin, con- 

 taining but little silk. It is found on the surface of 

 the ground beneath the trees on which the larvae 

 feed. 



The Promethea-MOTH, Callosamia promethea [Cal- 

 lo-sa' mi-a pro-me' the-d). — The female moth of this spe- 

 cies can be recognized by Fig. 157. The male differs 



Fig. 157. — The Promethea-moth, femfile. 



SO greatly from the female that it is liable to be mis- 

 taken for a distinct species. It is blackish, with the 

 transverse lines very faint, and with the spot near 

 the center of each wing wanting or very faintly indi- 



