168 General Notes. [February, 
ENTOMOLOGY. 
THE PREPARATORY STAGES OF CALOCAMPA CINERITIA (Grote). 
—One hundred or more eggs were found at Warwick, R. I, 
clustered together upon a twig of white birch, May roth, 1885. 
Diameter of egg 1™™ Shaped like a depressed cone, ribbed ver- 
tically and dark gray in color. They hatched in the same day 
that they were found. 
Larva upon emergence—Length 3"; color, light bluish- 
green, sprinkled with black. Two pairs of pro-legs only. Head 
ochreous yellow, large and prominent; two transverse rows of 
blade tubercles in each segment, each giving rise to a single, 
simple black hair or bristles. Head likewise provided with black 
warts and bristles. , 
After first molt.—Passed the first molt after six days, after which 
the length of the body was 7™™; uniformly cylindrical and slen- 
der. Two front pairs of pro-legs rudimentary. Head less promi- 
nent, and green, concolorous with the rest of the body, which is 
slightly darker than before. Black tubercles disappeared. A 
single transverse row of minute black bristles in each segment, 
hardly visible except by the aid of the microscope. These longi- 
tudinal dorsal and two lateral lines of very light green. Ventral 
half of the body of a lighter shade than the dorsal. 
After second molt_—Five days later,they began to pass the second 
molt, after which they measured when extended upon a lea 
12™™ in length. Markings same as after the first molt, but more 
pronounced, dorsal portion of a darker green, and the stripes 
creamy-white, 5 
After third molt—After ten days, they passed the third molt. 
ngth 29™%™; color, uniform yellowish-green, A pronounced 
white stripe running the whole length of the body on each side, 
and above this a much narrower subdorsal stripe on each side of 
‘the single dorsal line. Five stripes in all. Dorsal portion of the 
body sprinkled with white specks. All the pro-legs fully de- 
veloped. 
ment, with the opening towards the head. 
After ten days more without any indication of passing another 
molt, the larve underwent a very decided change. They lost 
entirely their velvety look, and assumed the greasy appearance of 
cut-worms, curling themselves up when disturbed, seeking retire- 
