~I 
~I 
1912] Proceedings of the Washington Meeting 
The president announced the following committees: 
Committee on Resolutions—E. P. Felt, E. D. Ball, and 
Resa Cooley: 
Committee on Nominations—C. W. Johnson, J. G. Sanders, 
_and H. E. Summers. 
Auditing Committee—Henry Skinner, J. H. Comstock, and 
A. D. Hopkins. 
[he society then adjourned toy meet at 1:30 p. m. Upon 
reconvening, the following papers were read: 
R. Matheson and C. R. Crosby. Notes on aquatic Hymen- 
opera. llhistrated. Presented by ©) Ry Crosby.’ (Printed 
in this number of ANNALS). 
Ann H. Morgan. Photographs illustrating the life histories 
of May-flies. Illustrated. Photographs were shown which 
illustrated the life history and biology of about twenty-five 
May-flies. Both nymphs and adults were photographed alive; 
the nymphs in a solution of chloretone, the adults without 
anesthetic. Nymphs representing the main biological groups 
were shown and their habitat described. Imagoes and sub- 
imagoes of certain genera were shown and their structure and 
characteristic postures noted. 
H. Y. Tsou. The Chinese wax-scale, Ericerus pe-la.  Illus- 
trated. One of the most beneficial insects of the family 
Coccide has been domesticated by the ancients of the Chinese 
people for the wax which it produces. This paper consists 
of (a) correction of errors of European translation from Chinese 
works; (b) additional statements on the life history of the 
insect; (c) method of propagating this insect; (d) division of 
labor in carrying on this industry among the people of different 
localities, so that the eggs of the insect are produced in the 
northern district and the wax in the southern district; (e) im- 
portance of this industry; and (f) use of the wax. 
A. D. MacGillivray. The lacinia in the maxilla of the 
Hymenoptera. Illustrated. (To be printed in the ANNALS.) 
Lucy Wright Smith. Glycogen in insects; especially in the 
nervous system and the eyes. Illustrated. In a heterogeneous 
lot of insects, including representatives of seven orders, glycogen 
has been found: (1) in immature and adult stages (a) in the 
crystalline cells of compound eyes, (b) in the crystalline and 
retinal cells of simple eyes, (c) in the neurilemma; (2) in imma- 
ture stages only, (a) in the cells of ganglia in all parts of the 
body. No glycogen has been found in nerve fibers. 
