1708 THE BUTTERFLIES OF NEW ENGLAND. 



the common cells, the limits being distinguishable only by a slight change in the contour 

 of the egg, the punctuations extending also upon the raicropyle ; color very pale 

 green. Height, 7 mm. ; width. .92 to .0(3 ram. ; width of micropyle, .822 mm. 



Caterpillar. First stage. Head shining piceons or bronze black witli a few broad, 

 very shallow, irregular, impressed streaks and distant, minute, and sludlow, circular 

 punctae, each giving rise to a short, pale hair; ocelli black; mouth parts very dark 

 reddish. Body very pale greenish yellow, almost white; first thoracic segment 

 slightly discolored with reddish browu and the shield piceous, broader in the middle 

 than at the extremities ; bristles straight, .07 mm. long, nearly etpial as far as the slightly 

 thickened and truncate tip ; those of the subdorsal row are inclined inward so much 

 that their tips nearly meet; last segment with two pairs of sul)dorsal hairs .2.5 mm. 

 long, erect and consideraljly recurved ; first pair of tlioracic legs Ijlackish fuscous ; 

 legs very pale greenish; claws not infuscated; prolegs the color of the body. Length, 

 3 mm ; breadth of head, .58 mm. ; of body, .48 mm. ; length of thoracic shield, .07 mm. 



/Second stage. Head (80 : 58) shining piceons with a few short, inconspicuous, deli- 

 cate pale or whitish hairs; mouth parts black. Body clear grass green, paler or 

 dirty pellucid beneath and toward the tail; a slightly darker dorsal line; anterior half 

 of the first tlioracic segment brownish fuscous; the mediodorsal line white; posterior 

 third covered with an unbroken, black dorsal shield broader tliau the base of the fore 

 legs, reaching as far as the legs which are also black; the otlier thoracic legs ai-e 

 green, a little obscured, infuscated or blackish at tip. Body covered profusely with 

 blackish specks arranged in transverse I'ows, from each of whicli springs a very pale 

 short hair; each of the shorter sections contains a single transverse row of these 

 specks, regularly disposed, but the broader, anterior section contains a large number 

 irregularly disposed but forming in a general way three transverse bands; anal plate 

 with a few longer hairs ; prolegs green ; first pair of spiracles blackish ; the last pair 

 dark castaneous ; the others gi-eeuish. Length, 6 mm. ; breadth of body, 1.25 mm. 



Third stmje. Head piceous, delicately shagreened, covered not very abundantly 

 with exceedingly short brownish pile ; lower part of head ne.xt the blackish mouth 

 parts tinged with reddish. Body dull yellowish brown tinged witli greenish, especially 

 noticeable along the slender greenish dorsal line, where tlie body is less bespecked 

 with the minute brownisli dots everywhere sprinkled over the surface, giving rise to 

 exceedingly sliort, delicate, brownish hairs resembling pile; tip of body brownish; 

 thoracic shield black, broad, equal, reaching to and including the spiracles ; the portion 

 of the segment in advance of it, pale, tinged with purplish at tlie neck; first thoracic 

 legs black, the others greenish, a little infuscated; prolegs greenish yellow; spiracles 

 blackish fuscous. Length, 9.25 mm. ; breadth of body, 1.25 mm. 



Fourth stage. Head (80 : 59) piceous, delicately and rather de eply vermiculate, with 

 a few scattered pale hairs ; in some specimens the head seems to be tinged rather 

 deeply with red; antennae black, bristle white; ocelli lilack; jaws black. Body dull 

 castaneous brown with excessively pale raottUngs and bestudded with black speck-like 

 papillae scattered over the surface but usually confined to the paler parts; each gives 

 rise to an exceedingly short and delicate pale hair; a dark browu dorsal stripe, and a 

 very faintly indicated, dusky yellow, infrastigmatal line, posteriorly obsolete ; thoracic 

 shield black, the portion of the segment in advauce whitish ; first two pairs of thoracic 

 legs blackish fuscous; third pair pale, infuscated ; prolegs of the color of the body ; 

 stigmata black. Length, 11 mm. ; breadth of head, 1.35 mm. ; of body, 1.75 mm. 



Last stage. Head not large in proportion to the size of body, but prominent and 

 much larger than the first thoracic segment, dull reddish brown, edged with black poste- 

 riorly, downy, with very minute, wliitish hairs. Body ouisciform, above semi-trans- 

 parent, dull brownish green, downy, with fine whitish hairs similar to tliose on the 

 head, with a dorsal line and many dots over the surface of the body of a darker 

 shade; first thoracic segment pale whitish with a line of brownish black across the 

 upper surface ; terminal segments paler than the rest of the body ; under surface 

 slightly paler than upper with a semi-transparent glossiness ; feet and prolegs whitish. 

 Length, 25 mm. (After Saunders.) 



