108 THE BUTTERFLIES OF NEW ENGLAND. 



terminal pair. Inner edge of hind wings plaited, the fore and hind wings in repose often 

 resting in different planes. Egg never noticeably higher than bi-oad, and either hemispherical and 

 smooth, or domed, vertically ribbed and trellised. Caterpillar at birth.— Reml always broader 

 and higher than the body, the latter with ranged fungiform appendages, never, excepting on the 

 seventh and eight abdominal segments, so long as the segments. First thoracic segment with 

 a distinct corneous dorsal shield. Mature caterpillar cylindrical, but slightly flattened beneath 

 and stoutest in the middle, never spinous, generally minutely and coarsely pilose, with a large 

 head, slender neck, and a transverse corneous shield on the upper surface of the first thoracic 

 segment. With rare exceptions (among tropical forms) living in concealment. Chrysalis 

 smooth and uniform, rarely with a mucronate head, always enclosed in some sort of a 

 cocoon Fam. IV.— Hesperidae. 



