January 1S99,] 



PSYCHE. 



309 



were pale green with red tips ; the props 

 pale green ; the anal props prolonged at the 

 tips behind, like those of Cjuglandis. The 

 caudal horn was bright carmine, short, 

 straight, perpendicular, rough, and ending 

 in a seta. 



The larvae ate nearly all their egg-shells 

 except a few, which ate only enough to let 

 them crawl out. They were very active, 

 began eating at once, and drank eagerly. 

 They fed on Poptthis balsajnt'fera var. catt- 

 dicans. 



Jul}' 24th. First molt. Length twelve 

 mm. Head almost triangular, apple green 

 with sparse yellow 'granulation' and with 

 two larger granules at the apex. Face-lines 

 yellow. Body dark green above with sub- 

 dorsal lines and obliques of bright yellow 

 granules, the last pair of obliques being 

 wider and brighter than the others. On the 

 front edge of the first segment; and the rear 

 edge of the second and third segments was 

 a transverse line of larger j'ellow granules 

 extending from one subdorsal line to the 

 other and largest in the middle. These lines 

 were very conspicuous. The venter was 

 blue-green with whiter granules. Anal 

 plate edged with yellow gi-anules. The feet 

 were red, legs and props blue-green with 

 white granules. The horn was yellow with 

 a dark carmine spot at its base in front, and 

 the whole liorn was rough with red granules. 



The larvae ate all the cast skin except the 

 mask and horn. 



July 27th. — Second molt. Length eigh- 

 teen mm. when in motion. When at rest the 

 larvae were so bent over that they could not 

 be accurately measured, the head being bent 

 under the front part of the body. 



The only changes in coloring were that 

 the subdorsal lines were less distinct; the 

 face lines yellower and broader ; the horn was 

 very short, and pinkish-yellow with a double 

 dark brown dot at the base in front ; there 

 were dark brown spots on each leg, and on 

 'he anal props near the tips; the yellow- 

 granules of the transverse lines, on second 



and third segments were almost spikes, 

 recalling those on the dorsal line of C. 

 amyntor. Molting required only twenty 

 four hours. 



July 30. — The legs had become yellow 

 with red tip.«, and the yellow granules on the 

 first segment were hardly noticeable. The 

 striking points of the larvae were the rich 

 velvety green color, the yellow crests of 

 granules on the second and third segments, 

 and the broad yellow obliques reaching from 

 the substigmatal line to the tip of the 

 caudal horn. 



July 31st. — Third molt. Length twenty 

 mm. Head pale green studded with pale 

 yellow granules, and with face lines of 

 brighter yellow granules meeting at the 

 apex. First segment — pale green like the 

 head, and granulated, but with no conspicu- 

 ous crest of granules. Body — deep moss- 

 green, densely set with tiny yellow granules, 

 except the anal segment, which was bright 

 yellow-green with small yellow granules, 

 and the anal plate was edged with yellow 

 granules and studded with glassy green ones, 

 and had a dark red-brown spot at its tip. 

 The second and third segments had conspic- 

 uous crests of yellow "spikes." Theobliques 

 were very narrow and of yellow granules, the 

 last pair being broader and yellower. There 

 was a broken substigmatal line of yellow 

 granules from the third to the tenth seg- 

 ments. The legs were yellow with a dark 

 redbrown spot, and red feet. Props were 

 green granulated with yellow, the anal props 

 having a dark brown spot at the tip. The 

 horn was very short, rough, pale yellow. 

 The spiracles were red, and noticeable for 

 the first time. 



Aug. 2d. — The larvae had lost the rich 

 moss-green color, and become very blue 

 green, while the golden-yellow marks had 

 grown almost white. In this molt the 

 larvae ate much more, and were quieter. 



Aug. 5th. Fourth molt. Length four cm. 

 Body largest at the tenth segment, tapering 

 slightly to the head. Head very white-green 



