CHRYSOPHANUS DISPAR. 445 



about O'OlSmm. in length ; the minute hairs in front perhaps 

 0004mm. The structure of these globular hairs shows them to be the 

 first stage of the afterwards larger crop of fir-cone hairs that aix, again, 

 the same as the trumpet- hairs of the pupa. On the 1st abdominal seg- 

 ment, these same two round hairs occur, quite in front of the spiracular 

 zone. There is a minute globe-hair behind spiracle, and another, 

 microscopic, hair, midway between the spiracle and lower globe-hair; 

 well in front of the globe-hairs, and midway between them, is a large 

 lenticle. In this note, so far, I am in fear I have placed the upper 

 globe-hair in front of one segment, instead of to the posterior border of 

 the preceding. At any rate, on the following abdominal segments, on 

 which there is an additional globe-hair in front of i, the following is 

 the arrangement: Dividing the space between ii and the marginal hairs 

 into five equal parts, the spiracle is one of these above margin, a large 

 lenticle, two above spiracle, i.e., halfway between i, ii and spiracle. 

 In front, and a little below i, is a globe-hair, rather longer in outline 

 than the others, with a minute hair at front margin of segment; just 

 below it, behind lenticle, is another globe-hair, which is, I think, the 

 upper one that I described (erroneously ?) as at front of segment on 

 forward segments. Another, really towards front of segment, is half- 

 way between spiracle and larger lenticle ; a very minute hair-point 

 (iii ?) between this and spiracle; a globe-hair behind spiracle. The 

 dorsal globe-hair and the large lenticle fail on the 7th, 8th, and 9th 

 abdominal segments, the other structures are much the same; there ap- 

 pear to be no globe-hairs on the 10th abdominal segment. Second instar 

 (f ullgrown) : Length 5mm. Prothoracic plate, a very small horseshoe- 

 shaped depression ; general skin-surface covered with minute circular 

 points ; green, with yellow (deeply buried) line under dorsal ridges, and 

 a similar one just outside it, that is, however, a little oblique on each 

 segment. Dorsal groove darker ; dorsal ridges still entitled to be so 

 called ; each segment has, laterally, five deep depressions, most marked 

 on metathorax. Lenticles nearly colourless; a nearly mediodorsal 

 one on front abdominal segments. Hairs short, pale, with dark spot at 

 origin, and darker tips ; those on i and ii larger, as well as the four 

 marginal. Third instar (f ullgrown, August 15th, 1906) : 5mm. long, a 

 little brownish-tinted, with brown dorsal ridges, accentuated by brownish 

 hairs ; a day or two ago it was more brightly and uniformly green, it is 

 probably nearing hybernating stage. The dorsal ridges are very 

 rounded, and are ridges morphologically rather than actually, but the 

 larva is still of fair thickness ; the larva itself is fairly arched from one 

 lateral flange to the other, but, on an end view, the longer hairs on the 

 lateral flange and dorsal ridge give the appearance of very flat slopes 

 and angular dorsal and lateral ridges. The hairs on the slopes are 

 also numerous, shorter than the dorsal ones, but, like them, brown- 

 tinted and spiculate ; from dorsal line to spiracle on either side of an 

 abdominal segment, there are about 30 hairs, 15 or 20 to lateral 

 flange, more or less, according to how many we count of those 

 on the flange itself. The spiracles are small, brown, raised, 

 thimble-like projections. The prothoracic plate is in a deep hollow, 

 diamond-shaped, the posterior ray very long and narrow, the width 

 about i that of segment. The larva is of fairly uniform width from 

 end to end, apart from rounded ends, i.e., it has so far, none of the 

 slug-like narrowing from thorax backwards, that marks the fullgrown 



