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The caterpillar is green, covered with a shagreen-like skin j having a horn at the tail, and 

 seven diagonal marks on the side ; the head is triangular. There are two sorts of caterpillars : I 

 presume one male, the other female. They are shewn in the Plate at (c) and (h). They feed on 

 elm and lime \ and are full fed about the middle of August, when they go into the ground and 

 change into chrysalis, shewn at (e) ; and the moths appear the end of May. I have described 

 the moth in four different places in the Plate ; the uppermost of which, at (d), is the female, 

 shewing the upper side : the under side is seen at (g), as drying its wings on coming out of 

 chrysalis. The male is shewn at (/), as pinned down ; with its wings in a resting position. 

 The other moth on the setting board is a female, with the wings expanded, to shew the manner in 

 which the card braces are fixed, in order to the expanding their wings. 



Expansion of the wings 2 — 3 inches. 



ORGYIA ANTIQUA. THE COMMON VAPOURER MOTH. 



Plate XX. fig. h— p. 



Synonyms. Phaleena (Bombyx) Antiqua, Linn. Syst. Nat. ii. 825. Donov. Brit. Ins. vol. 1. pi. 16. 

 Albins Ins. pi. 89. a— e. Wilkes'. Brit. Moths, pi. 64. 

 Orgyia Antiqua, Ochsenheimer, Stephens, Curtis. 



Upper Side. The antennae are pectinated. The whole moth is of dark rust colour, having 

 a white spot at the posterior angle of the wings. The female has no wings. 



The caterpillar feeds on lime and fruit trees ; is full fed, as at (z), the end of May ; and 

 changes, in a brown web, to a black chrysalis ; and the moth appears about the middle of June. 

 The female caterpillar is larger, and the moth proceeding therefrom covers the web with her 

 eggs, described at (h), which appear like the perforated beads of a necklace. The chrysalis of 

 the female is seen at (7), which is of an olive colour ; that of the male is shewn at (p). The male 

 moth flies in the day time. 



Expansion of the wings 1^ — 1^ inch. 



The Rev. W. T. Bree has recorded an instance of the males of this moth adopting 

 the habit of several other Bombyces in sembling, — a male having been attracted to 

 the spot where a collector had placed a female. (Mag. Nat. Hist. No. 10.) 



SPHINX CONVOLVULI. THE UNICORN, OR CONVOLVULUS HAWK-MOTH. 



Plate XXI. fig. a—d. 



Synonyms. Sphinx Convolvuli, Linn. Syst. Nat. ii. 798. Donovan Brit. Lis. 7. pi. 228. 229. 

 Withes' Eng. Moths, pi. 20-21. Duncan Brit. Moths, pi. 6. 



Upper Side. The antennae are of an ash colour, clubbed at the end, and not thickest in the 

 middle like most of the rest, which are distinguished by the term Hawk, or Sphinx. The eyes 

 are large and brown ; the head and thorax are of a purplish grey ; the latter being almost 

 surrounded by a dark broad streak upon the upper part, formed like a horse shoe. The 

 abdomen is rose colour, ringed with black, and having a broad grey stripe down the middle or 

 upper part, which interrupts or divides each ring. On the hips are two dark red spots, one on 

 each. The superior wings are grey, marked all over with chevron-like streaks of black. The 

 inferior wings are also grey, having four bars of black ; the two middle ones being united toward 

 the abdominal corner. 



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