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Larva and pupa. — The following description of (he larva and pupa is 

 copied from Mr. Scudder's notes: "Light grass-green. The shape of the 

 larva is quite peculiar. The head is quite small and may be partially 

 withdrawn within the prothoracic segment, the thoracic segments are also 

 rather small ; the remaining segments are nearly equal, but each segment 

 bears a peculiar elongation at the lateral line, those of the segment bearing 

 1 lie ventral proleg, and the one posterior to it being much smaller than the 

 rest, becoming merely a horizontal wart, while on the others they become 

 •compressed appendages turned outwards and upwards, inclined considerably 

 forwards and armed at t lie tip with two elliptical warts, terminated with a 

 bristle, the anterior one pointing in the general direction of the appendage, 

 the posterior directed backward ; these appendages are reddish towards the 

 end and increase in size posteriorly, attaining their maximum size on the 

 sixth segment and then decreasing to the ninth. The eleventh segment bears 

 subdorsal horns long, conical, straight and spiny, each surmounted by a bristle- 

 bearing wart, like that on each of the lobes of the appendages mentioned. The 

 prothoracic segment .also bears anteriorly a transverse row of four short horns 

 similar to those on the eleventh segment, and posteriorly two situated behind 

 the central two of the anterior row; each of these bears two bristles. On 

 all the other segments there are two pairs of subdorsal minute bristle-bearing 

 warts. The entire body, legs, head and horns are covered with minute short 

 white blunt spines. The head is rather deeply cleft, whitish, granulated, 

 with some dark spots; labrum edged with reddish ; antennae pale. The body 

 is slightly paler beneath, with a pale stigmatal band on the abdominal segment 

 turning upward at the fourth and fifth segments. Length 0.70 inch, breadth 

 ts inch. It was found at Princeton, Mass., Aug. 24, feeding on Cowplonia 

 aspleni folia. On the fourth of September it began to make a cocoon by 

 fastening together pieces of leaves and the ends of whole leaves, with a few 

 silk threads. 



"Pupa grass green, doited profusely with dark green; the top of the 

 head and thorax and all of the abdomen is of a dirty white color, dotted 

 rather profusely with brownish; the last segment is hoof-shaped and yellow- 

 ish, with two reddish hooks. An indistinct dark stigmatal band. Spiracles 

 brownish encircled witli dirty white. A black dorsal band runs the whole 

 length of the body. Length 0.44 inch." A chrysalis was also found at 

 Framingham, Mass., August 2. 



