118 PROMINENTS. 
along the sides. Dorsal line snow white fading into yellow- 
ish on the sides, where there is a series of fine dark red black 
dots; the line is widest on the fifth and sixth segments -and 
at the sature of the seventh and eight segments connects by 
a narrow neck with the posterior division of the pand, which 
contains a whitish line in the middle, bearing reddish dots 
on each side. Sides of the tenth to the twelfth segments 
white, including the upper part of the anal legs, which are 
marked with a red line. Thoracic feet green, with a black 
dot in the middle. Length, 35 mm. 
Not common and possibly double brooded, the very 
young caterpillar is reddish brown with nine pairs of long 
horns like the antlers of a deer. The first pair are much 
longer than the rest, each with four very long branches.”’ 
The moth and caterpillar areshownin Figs. 118and119. 
Figs. 118 and 119.—Heterocamna guttivitta Walk. Moth and Cate: pillar. 
After Pachard. 
THE FORKED-TAIL CATERPILLAR. 
(Cerura borealis Bdv.). 
There are few caterpillars that are more odd and pecu- 
liar in form, posture and motion, than those of the genus 
Cerura. Their body is naked, short and thick, tapers be- 
hind, and ends with a forked kind of tail, which is held up- 
wards at an obtuse angle with the rest of the body. This 
