83 



the larvae of CalliniorpJia doniimila, but perhaps somewhat 

 brighter in color. I have not seen the insect before.'' The in- 

 sect was G. Hopfferi, Grote. — R. H. Stretch. 



Emergence of BombycidzE. — I have found the imagos of 

 P. cecropia, F. Polyphemus, C. promctJiea and A. hina to emerge 

 from the cocoons in the forenoon, usually about lo A. M.—C. 

 pronictJiea somewhat earlier. In every case where the emergence 

 occurred in the afternoon, it could be traced to some abnormal 

 condition. The lapse of several hours is required for the devel- 

 opment of the wings and generative organs, so that when dark- 

 ness comes the females may be sought and fecundated ; in warm 

 nights this takes place, and many ova are deposited before morn- 

 ing; if the temperature falls they usually remain in coitu during 

 the night. — W. Brodie, Toronto, Can. 



Adoneta Spinuloides. — On August 17, 1880, I secured 

 twenty-two richly-colored, singular-looking larvae from a small 

 plum tree in my garden. They were placed in a glass box and 

 fed upon leaves from the plum. In a few days the most of them 

 had made their small, parchment-like and nearly spherical co- 

 coons. Of this large number but one reached the imago state, 

 revealing, on the 25th of December, the bronze, drab-shaded, 

 fringed and tongueless Adoneta Spinuloides, a pretty moth, but 

 by no means so richly- colored as its larva. Three of these larvae 

 were secured the next summer (Aug., '81), two of which were 

 destroyed by ichneumons, and but one cocoon was saved. This 

 opened April 14, '82, having remained in the chrysalis some 

 months longer than the one of the previous year, although kept 

 in the same place and with the same temperature. The prevail- 

 ing color of the larva is pea-green. On a yellow ground, down 

 the back, are five diamond-shaped purple spots. Across each 

 one of these larger diamonds are strap-shaped lines, buttoned 

 at either end. The sides of the larvas are spined. The spines 

 are yellowish scarlet (or more nearly the color of the watermelon 

 core). There are eleven pairs of spines — the three pair in front 

 and the last three pair being larger than the intermediate ones. 

 All of these spines are again spined with hair-like, pea-green 

 spinelets. Examining one of these larvae with the microscope, 

 one readily arrives at the conclusion that a greater amount of fine 

 work could scarcely be crowded into so small a space, the largest 

 specimen not exceeding three-fourths of an inch in length. — 

 Mrs. Julia P. Ballard, Easton, Pa. 



On the Motion of the Wings in Drying in Platy- 

 SAMIA Cecropia. — Both hind wings are brought together by 

 their inner margin and then elevated together with the front pair, 

 then shoved up behind the front pair ; then the hind wings are 

 brought down and their inner margins are brought together and 

 the process is repeated. — AUG. R. Grote. 



On Some Geometrid^ from Dayton, Ohio. — The male 



