652 General Notes. [ July, 
The intestine in the specimens is solidly packed with the remains 
of diatoms: 
Of the other specimens I send, the one marked No. 3 seems to 
be the pupal form of No. 2. They were constantly associated, 
and I saw no other forms near them except the black-fly larve. 
The mode of attachment to the rocks is the same in both, by 
sucking disks. In No. 3 the disks were on the extremities of the 
abdominal segments, three on each side. In most cases in re- 
moving the specimens from the rock the disks were separated, 
but there is one specimen I send in which they are still in situ, 
and are very distinct, and I think they are shown in some ot the 
others. 
were numerous empty cases on the rocks, but they seemed to be 
only the abdominal disk-bearing segments, the upper or anterior 
portion being carried away by the rapid flow of water as soon as 
the animal deserted it —Fanny R. Hitchcock. ; 
* Se insects have been identified for us by Dr. C. V. Riley— 
s 
ENTOMOLOGICAL Nores.—The Ceylon entomologists propose to 
systematically observe the singular migrations of butterflies 1n 
at island. Volunteers are to watch for the migration and sen 
a post-card bulletin to the editor of the records, noticing data, 
under difficulties it is not to be wondered at that a few speci® 
: itted. The number ° 
: Mr. W. H. Ashmead has estes 
Nas the seventh of his studies on the North American Chalci 
females. He had recognized twenty-three species — 
_ French Academy, J. Gazagnaire read a paper on the se 
J at of the 
organ of taste in Coleoptera. she 
