1880. | Scientific News. 753 
4. The corpuscles are stained with picrocarmine, or a mixture 
of this and Frey’s carmine. 
. they are preserved in acid glycerine, and may be mounted 
for the microscope at any time.—Read at the sub-section of Micro- 
scopy of the A. A. A. S., by Simon H. Gage, Ithaca, N. Y. 
:0: 
SCIENTIFIC. NEWS. 
— The U. S. Entomological Commission had a prolonged ses- 
sion in June, immediately after the adjournment of Congress, 
and since then the members and their assistants have been in the 
field. As during the previous year the labor was divided, so that 
Prof. Riley took charge of the cotton worm investigation, while 
Profs. Packard and Thomas prosecuted the study of the Rocky 
Mountain locust in the Western Territories. 
The organization of Prof. Riley’s parties is as follows: 
Prof.-Stelle proceeded to Texas, making his headquarters some- 
where in the Colorado Bottom, where he was assisted by Judge 
W. J. Jones, of Virginia Point, near Galveston. 
Prof. Barnard made his headquarters at Vidalia, Louisiana, so 
as to fully study those portions of Louisiana and Mississippi 
y ich were neglected in 1878 and 1879 on account of yellow 
ever. 
In Mississippi, Prof. R. W. Jones, of the State University, 
assisted by Dr. E. H. Anderson, of Kirkwood, and Mr. Lawrence 
Johnson, of Holly Springs, represented the Commission among 
the cotton lands of that State. 
classification of the cotton belt with reference to the hibernation 
of the insect. a o 
Ir. E. A. Schwarz, who has been associated with Prof. Riley 
from the beginning of the investigation, and Mr. W. H. Patton, 
an experienced entomologist of Connecticut, remained at the head- 
quarters of the Commission in Washington during Prof. Riley’s 
