Catalogue of North American Sphinges. 303 



says that it lives on. Azalea nudijlora, and that it spins itself up 

 in a thin web on the leaves. Pupa like that of C. Pampifiatrix. 



3. C. versicolor. H. 



Light olive, variegated with olive-green and white ; fore-wings 

 with narrow curved bands of white and olive-green, and a zigzag 

 white line at tip ; hind-wings rust-colored, with the inner and 

 hind margin olive-green ; tips of the palpi, a line on each side of 

 the head above the eyes, a longitudinal dorsal line from the front 

 to the tail, and the edges of the collar and of the shoulder-covers, 

 white ; two spots on the metathorax and the abdominal segments 

 on each side of the dorsal line tinged with dark buff. Expands 

 about three inches. 



Although the larva and pupa of this species are unknown to 

 me, I have ventured to place it in the genus Chcerocampa. The 

 palpi are rather thicker towards the tip than those of the two pre- 

 ceding species ; the fore-wings are not quite so much emarginated, 

 and consequently, their angles are not quite so prominent. The 

 under-side is quite as prettily variegated as the upper-side ; that 

 of the fore-wings being pale olive, tinged with deep buff near the 

 hind-angle, with rust-red in the middle, and mottled and streaked 

 with olive-green and white ; that of the hind-wings olive-green, 

 banded with white, dark olive, and buff. My specimen was taken 

 sitting upon the leaves of Azalea viscosa ; it was quite fresh, and 

 seemed to have been recently transformed. 



Dr. Hornbeck has presented to me a species, from St. Thomas, 

 resembling the versicolor very nearly in cplor and form ; but the 

 palpi are more prominent, the antennse are not so much arcuated, 

 and the terminal hook is much shorter. It evidently leads to the 

 genus Deilephila. 



4. C. tersa. L. 



Grayish olive above ; fore-wings streaked from base to tip with 

 numerous narrow dusky and pale lines, and with a minute black 

 dot near the middle ; hind-wings black, paler round the edges, 

 with the anal angle and the fringe cream-colored, and a trans- 

 verse row of small wedge-shaped cream-colored spots near the 

 hind-margin ; a reddish white line on the sides of the head and 

 thorax ; shoulder-covers slightly edged above with rust-red ; sides 

 of the abdomen, and the body and wings beneath, rusty buff, 

 streaked and sprinkled with dusky olive-gray. Expands two and 

 three quarters to three inches. Larva, according to Abbot, (Ins. 

 Georg. p. 75, pi. 38,) pea-green or brown, with seven white eye- 



