THE INSECT WORLD. 



283 



slug-like caterpillars previously described. They become rather 

 more than two inches in length, spin a thin, irregular, and some- 



what parchment-like cocoon, and emerge in due time as " io" 

 x\-\o\\\':^,—Autoiuvris (Hyperchiria) io. The male is deep yellow, 



