— 75 — 



in the previous staye are now still Jccpir ycllou\ iiiii^^ed with white 

 rentier ill}:; t/iciii more eoiispieiioiis ; a distinct lateral sti}i;niatal line 

 extends alon^ 8th and 9th seji^inents, and alonjr the edije of the 

 siiranai plate. The end of the body is raised hiyh. uj) ; there is no 

 !:;reeii on the Innly. 



Sttix^e 1\'. — Length, 25 nun. In the greater thickness, and 

 shajH' of the body as well as the bright green color tiie larva of 

 this stage closely resembles the caterpillar in its fuial stage. The 

 head is now smoother, the tubercles smaller, and the dorsal tubercles 

 on the three thoracic segments, as well as those on the 2d to 7th 

 abdominal segments are smaller than before, while those on the Jst 

 aiitl Sth iihiioniinal sej^inents are 11070 larger than he/ore, and 7'ery 

 prominent. The bod)- is now of a deep delicate pea-green, with a 

 large reddish hrowii triangular patch extending from the prothoracic 

 segment ne.vt to the head, and ending at the anterior Inise of the tubercles 

 on the 1st abdominal segment. Behind the said tubercles a broad 

 reddish bro-wii patch extends to the large tubercles on the eighth segment, 

 the band being edged with whitish yellow ; from the rear of the 

 tubercle a similar-colored band extends to the end of the suranal plate. 

 The under side of tlie body in front, and the middle abdominal 

 legs are brownish. 



Stage \ . — Length, 35 mm. In shape and coloration just as in 

 stage I\', but the head is a little darker, and the back of the lana 

 between the two great abdominal tubercles and also behind the last 

 tubercles on Sth segment, is green, not reddish brown, and this area is 

 edged 7vith irregular reddish thread lines on a white field. Also a 

 lateral infrastigmatal line is i)resent along the end of the body. 

 In Miss Morton's figure of this larva copied in my Forest Insects 

 (IM. Ill ; fig. 6, 6a.) the larva has the same style of coloration. 



Heterocampa unicolor J\xck. 



The eggs were received from Mr. 'I'allant of ("olumbus. Ohio, 

 .\ug. 21, having been sent on the i8th, all hatchinj,- on the way. 



Larva, stage I. — Freshly hatched larva. Length including the 

 tails (stemapoda) 6-7 mm. The head is almost as wide as the body, 

 somewhat heart-shaped, bilobed, dark chestnut, paler along the 

 middle. i'he Ix^dy is long and slender, especially elongated behind 

 the Sth abdominal segment. The prothoracic segment in all the 

 examples is full, as if it were about to molt, though it seems too 

 soon after hatching. The prothoracic segment bears two diverg- 

 ing, rather thitk ap])cndages, which are cylindrical and rounded at 

 tip; the segment at base and behind pale reildish. and cherry-red 



