1 4 [Juuc, 



with only six ventral legs, and, consequently, were veritable "loopers," 

 arching the back as much as any Geometer. On August 7th, when 

 almost an inch long, I described them as follows : — 



Very slender : head wider and deeper than the second segment, the lobes evenly 

 rounded ; body of nearly uniform width throughout, rounded above, slightly flattened 

 ventrally ; skin smooth, the segmental divisions clearly defined, but not deeply cut ; 

 there are only three pairs of ventral legs, on the 9th, 10th, and 13th segments 

 respectively, the last pair, when at rest, being stretched backwards and outwards, 

 give the appearance of a notched anal prominence. Ground-colour generally dingy 

 pale olive-green, in some specimens, however, bright greenish-yellow ; on it is a 

 pretty ornamentation of chocolate-brown stripes as follows : — First, a narrow and 

 interrupted medio-dorsal, then a double and more clearly defined one, followed below 

 at about the same distance by another double stripe, then follows a broader one, and 

 immediatelyadjoining it is the broad and conspicuous lemon-coloured spiracularstripe ; 

 all these stripes extend in strong relief through the head. The ventral surface has 

 a somewhat similar but not so clearly defined ornamentation ; the ground-colour 

 being as on the dorsal area, and having a central, then a double, followed by another 

 double line, all of chocolate-brown. 



The habits, perfect manner of looping the back when walking, 

 feeding, and everything else are exactly as in a Geometer; and were 

 it not for the additional pair of ventral legs, it would be impossible 

 to separate it from a Geometer. 



The adult larva I described on September 6th as follows : — 



Length, about one and a half inches, and, although still rather slender, is 

 considerably stouter in proportion than when last described ; head larger and slightly 

 wider than the second segment ; body cylindrical above, a little flatter ventrally ; 

 it is of nearly uniform width to the 9th segment, but this and the lUth are a little 

 wider, from the 10th it tapers more strongly to the anal extremity ; skin smooth, the 

 segmental divisions clearly defined but not deeply cut, and there is a very slight 

 rather puckered ridge along the spiracular region ; there are only three pairs of 

 ventral legs, on the 9th, 10th, and 13th segments respectively, the last pair, when at 

 rest, are stretched backwards and outwards, and give the appearance of being a 

 notched anal prominence. Ground-colour bright lemon-yellow, some specimens 

 having an ochreous tinge : the same pretty ornamentation of stripes still remains, as 

 follows : — First, a fine double and rather irregular pale chocolate-coloured medio- 

 dorsal, followed by two broader and darker chocolate, then two more equally broad 

 ones of the paler chocolate, followed by a narrow one of a, darker shade of the same 

 colour, and closely followed by a still darker one immediately edging the pale, -bright, 

 lemon-yellow, broad, spiracular stripe ; these stripes extend in strong relief through 

 the head down to the mandibles, and the whole ornamentation, taken with the 

 ground-colour, forms a series of alternately chocolate-brown and lemon-yellow stripes. 

 The ventral area is less distinctly marked than when last described : the ground is 

 greyish-yellow in the centre, rust-colour at the sides, with double interrupted 

 chocolate central stripe; at .the sides are two other similarly noloured'stripes, the 



