294 Catalogue of North American Sphinges. 
the abdomen. Expands about four inches. Larva, as represent- 
ed by Abbot, (Ins. Geog. p. 63, pl. 32) dark brown, with a dou- 
ble chain-like rust-red dorsal line, a paler lateral line, a series 
of eight hook-shaped yellowish spots on each side enclosing the 
spiracles, and a short curved horn on the tail. Eats the leaves of 
the sweet potato (Convolvulus batatas,) and enters the earth to 
undergo its transformation. Pupa with a long hooked tongue- 
case spirally recurved at its extremity. Inhabits the Middle and 
Southern States. 
I am indebted to Dr. J. E. Holbrook, of Charleston, 8. C., for 
a specimen. 
2. 8. Carolina. L. 
Ash-gray ; fore-wings with blackish wavy lines; hind-wings 
whitish in the middle, with four black bands, the two central 
ones narrow and jagged ; fringes spotted with white ; five orange 
colored spots encircled with black on each side of the abdomen; 
and the tongue excessively long. Expands about five inches. 
Larva apple-green, transversely wrinkled, with seven oblique 
white lines on each side, and a rust-colored caudal horn. Com- 
monly known by the names of potuto-worm and tobacco-worm, 
from the plants on which it is found; transforms deep in the 
earth. Pupa with along tongue-case, curved near the head, 
straight and touching the breast only at the end, representing the 
handle of a vase. 
3. S. Drupiferarum. Smith—Abbot. 
Pale reddish-gray ; fore-wings-with a dark brown band ex- 
tending from the inner margin to the tip, and crossed by slender 
black lines between the nervures ;* hind-wings with two trans” 
verse blackish bands; thorax dark chestnut, with the sides and 
the head white; abdomen dark brown above, with a slender 
dorsal black line and about five whitish lateral spots margined 
with black. Expands three and a half to four inches. Larv% 
according to Abbot, (Ins. Geog. p. 71, pl. 36) apple-green, with 
seven oblique lateral bands, which are violet above an white 
below, a line on each side of the head and the caudal horn vio- 
let. Feeds on the leaves of the Celtis and plum, and is trans” 
formed in the earth. Pupa, like that of S. Ligustr?, with a short 
tongue-case detached from the breast. 
: ; Z led 
* The veins, or elevated and branching lines on the wings of insects, @r¢ cal 
nervures by Mr. Kirby. 
