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184904 results.

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Page 6625, results 165601 - 165625

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Rodent repellents, correlation between chemical structure and rodent repellency of benzoic acid derivatives
J.E. Fearn, J.B. DeWitt
1965, Journal of Agricultural and Food Chemistry (13) 116-117
Sixty-five benzoic acid derivatives were either prepared or obtained from commercial concerns, tested for rat repellency, and their indices of repellency computed. The data from these tests were considered analytically for any correlation between chemical structure and rat repellency. The results suggest a qualitative relationship which is useful...
The roosting behavior of the red-winged blackbird in the southern United States
B. Meanley
1965, The Wilson Bulletin (77) 217-228
This report concerns the roosting behavior of the Red-winged blackbird and associated species ; and is based on observations made over a 14-year period mainly in the Southern United States....Th e greatest concentrations of Red-winged Blackbirds in the southern states occur in the Coastal Plain Province in or near major...
Body weights of newly hatched Anatidae
M.G. Smart
1965, The Auk (82) 645-648
As early as 1928 (E.C. Meyers, Auk, 45: 334-388, 1928) investigators realized the importance of bird weights and appealed to ornithologists to record and publish records of these. Practically all of the weights of waterfowl that have been published, however, have been of adults or grown young (see F.H. Kortright,...
Effects of heptachlor-contaminated earthworms on woodcocks
W. H. Stickel, D. W. Hayne, L.F. Stickel
1965, Journal of Wildlife Management (29) 132-146
The effects on woodcocks (Philohela minor) of eating heptachlor-contaminated earthworms were studied experimentally in a series of feeding trials in Louisiana in the winter of 1960-61. Six of 12 woodcocks fed worms which had been contaminated at an average of 2.86 ppm of heptachlor epoxide died within 35 days; 4...
Body condition and response to pesticides in woodcocks
William H. Stickel, Wendell E. Dodge, William G. Sheldon, James B. DeWitt, Lucille F. Stickel
1965, Journal of Wildlife Management (29) 147-155
Response of woodcocks (Philohela minor) to heptachlor dosage was closely related to the physical condition of the birds, as reflected by body weight and by body weight in relation to capture weight: in a series of tests with underweight birds, nearly all woodcocks died at dosage levels well below those...
Bird mortality after spraying for Dutch elm disease with DDT
C.F. Wurster, D.H. Wurster, W.N. Strickland
1965, Science (148) 90-91
In Hanover, New Hampshire, where elms were sprayed with DDT, 151 dead birds were found; 10 dead birds were found in Norwich, Vermont, where no DDT was used. Chemical analyses of dead birds, observation of symptoms of DDT poisoning, and a population decline after spraying all indicate severe mortality among...