SPAN-WORMS, 191 
middle by the median stripe already described. The legs are 
ringed with black and yellow at the articulations, and are 
elsewhere more or less spotted with black. Upon the arite- 
penultimate segment are the two prominent black tubercles, 
one upon either side of the median stripe, each bearing a 
stiff bristle at its apex; and similar bristles are scattered 
over the dorsal surface of the 
succeeding segments. The last 
segments with the corresponding 
prolegs are punctuate with black, 
and bear two smaller sets of 
tubercles similar to those above 
Fig. 190 —Biston vpsilon . é ‘ 
Forbes. After Forbes. mentioned. The preceding pair 
of prolegs are irregularly striped 
and mottled with black, rose and yellow, like the sides. 
Some transverse rows of minute black hairs are visible 
upon the under surface, two or three to each segment.”’ 
Fig. 190 is a copy of the illustration of this moth. 
THE PEPPER AND SALT CURRANT-MOTH. 
(Eubyta (Amphidasis) cognataria Gn.). 
In some years this moth is very common and as it 1s 
readily attracted to strong lights it-is frequently observed. 
It is not alone common near St. Paul, but seems to be 
Fig. 191.—Eubyia cognataria Gn. After Packard. 
equally common near Duluth. Like the preceding species 
this moth differs greatly from most Geometride by having 
