64 CONSPECTUS OF MOTHS. 
streaked spot resembling an expanded bird’s wing at the pos. 
terior angle of the first pair. Caterpillar dull brown, sprinkled 
with deeper spots, with some dusky slanting lines, and two pale 
ones, Scarce. Norfolk, Middlesex, and Surrey. 
NAENIA (SrerHens). 
Tue DARK Gornie (N. typica (SteeueNs) appears the end of 
June. Wings one inch one-half to ten-twelfths, brown; first 
pair with white nervures, and three stigmata margined with 
whitish. Caterpillar grey, the sides dingy, with three faint 
streaks; feeds on the hound’s tongue, nettle, willow, &c. Pupa 
brown, enclosed in a web. Common, Shropshire, Essex, 
Huntingdonshire, and near London. 
XYLINA (TreiTscHKeE). 
Tue Grey SHoutper Knor (X, Lambda, TrerrscuKs) ap- 
pears in Autumn. Wings one inch one-half to two-thirds; first 
pair white, clouded, the base with a line terminating in two or 
three twigs, at the hinder margin a row of black spots ; second 
pair deep brown, with the fringe paler. Caterpillar downy, 
green, white-spotted, with a bluish line on the back ; feeds on 
the oak. Rather scarce. Salop, Hertfordshire, Essex, and Sur- 
rey. 
Tuk Per (X. pulla, OcHseNHEIMER)appearsin August. Wings 
one inch two-thirds ; first pair deep ashy grey, with an indistinct 
whitish spot in the middle; second pair whitish, with dusky 
nervures. Caterpillar green, with a whitish spot, and a line of 
the same colour on the sides, Rare, Essex. 
Tue TAwNy Pinion )X. semibrunnea, SrePHENS). Wings one 
inch seven-twelfths; first pair clouded, externally ashy brown, 
and internally brownish red; second pair ashy brown, with 
the margin, neryures, and a small central spot dusky. Rare. 
Surrey. 
Tue Stone (X. petrificata, OcHSENHEIMER) appears in June, 
Wings one inch two-thirds to three-fourths, pale grey brown; 
first pair with grey and brown streaks, a dark brown line at the 
base, and another towards the inner margin; the ordinary stig- 
mata paler; second pair with an indistinct slanting streak of 
brown spots a little behind the middle, and a dark crescent on 
the dise. Caterpillar green, with white spots, and a broad white 
stripe on the back, and a narrow one on each side; feeds on the 
elm, oak, sloe, lime, &c. Rare. Near London and Devonshire. 
THE Sitver Croup (X. conspicillaris, OcuseNHEIMER) a)- 
pears the end of May. Wings one inch one-half to seven- 
twelfths; first pair streaked, varied with brown and ash colout, 
and whitish towards the inner edge; second pair snow white, 
with the nervures and hinder margin dusky, fringe white. 
Caterpillar dull green, with a yellowish white line on the sides, 
edged with brownish ; feeds on the Astragalus Onobrychis, &¢ 
Rare, Kent and Bucks, L 
