EXTRACTS FROM NOTE BOOKS. 
AUGUST FIRST. 
Checkwing.—Rather larger and lighter in shades than the 
spring description. Wings distinctly crossed and tinged 
to the shoulders with dull pale yellow ; head, top of shoul- 
ders, and down the back, light yellow green or pale brown 
olive ; a dark line on the lower edge of each joint of the 
body, crosses the back and slants on the side to the next 
joint. Throat, breast, belly, and legs a greenish yellow ; 
eyes dark. Is a thick, fleshy, fine fly ; one cast its skin in 
the flybox, which changed it to the red drake. Length, 
near half an inch; wings clear, squared, and sparkling, 
with red and amber towards the shoulders. Legs, head, 
shoulders and body, light red or ambry foundation, touched 
on the upper parts with dark red or brown, shewing the 
slanting lines on the sides. 
Blue drake.—Not so large as the spring flies. Length, 
a quarter and near a sixteenth. Wings fine, and of the blue 
dun tinge; top of head, shoulders, and body, dark ashy 
hue, joints edged with lighter ; belly and breast a blue dun 
tinge; legs a pale ale transparency, darkest to the feet. 
Taken from under a large leaf, that grows by the water 
sides, where many of the aquatic flies take rest after hatch- 
ing. The blue drake, which hatches in colc weather, 
appears to cast off three protective skins. After the first 
she is of a lighter shade, and a smarter fly ; second she is 
orange ; and the third or last, when in a state of nudity or 
stripped to the (true) skin, a lemon or straw color. Exam- 
ined one taken June 5th, at seven p.m.: length three- 
