876 The American Naturalist. [October, 
was called to the horn-fly and the fact brought out that this species 
is found most upon dark-colored animals, those of a light color being 
almost entirely free. 
Notes on the Parsnip Web-worm (Deprassaria heracliana), by 
E. B. Southwick, an account of the damage and abundance of this 
species in New York. 
Notes of the Year in Canada, by James Fletcher, root maggots and 
thrips being especially abundant, while cut-worms are not as abundant 
as usual, 
An Australian Seymnus, by C. V. Riley, a species revenitly described 
from the Western States, which is an introduced Australian species. 
Further Notes on Mollusks, by F. M. Webster, showing the relation 
of slugs to Aphides. 
Officers elected: President, S. A. Forbes; First Vice-President, 
C. J. S. Bethune ; Second ee enn J. B. Smith; Secretary, 
H. Garman. 
The Entomological Club of the A. A. A. S. held its meetings during 
the general meetings of the Association at such times as did not inter- 
fere with the Section of Biology. President Schwartz presided. The 
Secretary, Mr. Marlatt, being unable to be present, Howard Evarts 
Weed was elected Secretary for the meeting. The following papers 
were presente 
President’s ‘Address by E. A. Schwarz, consisting of a review of the 
progress made in Coleoptera in recent years and the particular fields 
of research yet open in this line. 
Insects Reared from Gall on Muhlenbergia mexicana, by F. M. 
Webster, giving an account of the species reared, over twelve in 
number. 
A Cutaneous Disease of Cattle Caused by an Arachnoid, by ©. W. 
Stiles, the disease being caused by a species of Demodezx. 
Galeruca xanthomelena Polygoneutic at Washington, by C. V. 
Riley, showing that this species was normally two, and, at times three, 
brooded at Washington. 
Galeruca xanthomelena Monogoneutic at New Brunswick, N. J., by 
J. B. Smith, showing that the species is normally but single brooded 
at New Brunswick. In the discussion which these papers brought 
forth it was thought that the difference in habit between the species at 
Washington and New Brunswick was not so much in the difference in 
climatic conditions, as it was in acquired habits. Mr. Riley thought 
that specimens sent to New Brunswick from Washington would 
