24 CONSPECTUS OF MOTHS. 
female three inches one-half to fourinches one-third, irregularly 
indented, grey clouded with reddish ; first pair with a white cres- 
cent on the disc; second pair with a large rust-coloured bloteh 
at the base. The thorax and abdomen ashy and spotless. Cater- 
pillar, solitary, rough, green, with a yellow line on each side, 
and with slanting white stripes; feeds on poplars. Chrysalis 
dingy brown. Common. Surrey, Devonshire, Westmoreland, 
Northumberland, Cambridgeshire, South of England, 
Tue Lime HAwK (Sm. Tilia, LATREILLE) appears the middle of 
May. Wings of the male two inches one-sixth to two-thirds ; fe- 
male two inches one-third to three inches ; somewhat three-lobed, 
grey, clouded with rosy-grey, sometimes iron-red, with an inter. 
rupted central band, the posterior fringe olive-brown ; second 
pair grey, with an indistinct brownish band, terminating in the 
posterior angle. Caterpillar, solitary, rough, fore-part slender, 
green with slanting red or yellow stripes, feeds on the lime, 
elm, alder, birch, and oak. Chrysalis dusky brown. Abundant, 
Hertfordshire, Surrey, Essex, Yorkshire, Devonshire. 
ACHERONTIA (OcnsennEIMen). 
Tur DeArn’s-HEAD HAwkK (Acherontia Atropos, OCHSENHEI- 
MER) appears the end of September or beginning of October. 
Wings of the malefour inches one-third to two-thirds ; female four 
inches five-sixths to five inches one-twelfth ; first pair brown, 
clouded with yellowish, with a white spot on the dise; second 
pair greyish, with two deep brown bands. Abdomen yellowish 
brown, with belts, and an interrupted black line down the back. 
Caterpillar, solitary, posteriorly yellow, spotted with black, with 
Slanting lines on the sides, of which the first half are blue, the 
remainder green; seldom ventures out during the day-time, 
feeds on potatoe, jasmin, thorn-apple, spindle-tree, hemp, elder, 
woody nightshade, &c. Chrysalis brown, with five black points 
oo side. Not common, Ayrshire, Berwickshire, Surrey, 
and Wilts. 
SPHINX. 
Tur Topacco HAwK (Sphina Carolina, Linnaus). Indige- 
nous to North America, but doubtful as English. 
THE YELLOw-sror Unicorn Hawk (Sph. quinque Maculatus, 
Haworrn). Imported like the preceding, from America? 
Tuer Unicorn Hawk (Sph. Convolvuli, LINN22US) appears in 
September. Wings of the male four inches one-third to one-half ; 
female four inches one-half to two-thirds ; firstpair ash.coloured, 
clouded with black and brown, with a few zigzag black lines; 
the second pair with four irregular black bands. Head, ash- 
coloured ; thorax ashy-brown, with indistinct dark lines ; abdo- 
men deep ash, with about five red spots, surmounted with white 
and black. Caterpillar, green, spotted with black or brown, 
with dingy yellow slanting stripes down the sides, horn dingy, 
feeds on the greater and lesser bindweeed. Chrysalis bright 
brown. Rather rare. Caithness, York, South Wales, Cumber- 
land, Cambridge, Middlesex, Surrey, Kent, Cornwall, 
