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184776 results.

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Page 6881, results 172001 - 172025

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Publication Extents

Not all publications have extents, not all extents are completely accurate
H-bomb in the garden patch
J.B. DeWitt
1957, Wildlife in North Carolina (21) 4-6
Effect of newer insecticides on survival and reproduction of birds, especially quail and pheasants. According to author (who disclaims responsibility for title of paper), material here is essentially the same as that presented by him in Atlantic Naturalist 11(3), 1956 and Agr. & Food Chem. 4(10), 1956....
Eastern glossy ibis nesting in southeastern Maryland
R. E. Stewart
1957, The Auk (74) 509-509
On June 25, 1956, Don P. Fankhauser and I investigated a large heron colony of mixed species, on Mills Island in Chincoteague Bay, Worcester County, Maryland. Large numbers of American Egrets (Casmerodius albus), Snowy Egrets (Leucophoyx thula), Louisiana Herons (Hydranassa tricolor), Little Blue Herons (Florida caerulea), and Black-crowned Night Herons...
Chemicals and wildlife
J.B. DeWitt, P. F. Springer
1957, National Agricultural Chemicals Association News and Pesticide Review (16) 13-14
Short paper that reviews some of the facts about effects of insecticides on wildlife and states principles that should be followed for maximum safety in treatment. These principles include minimal doses, good ground-to-plane control to avoid overdoses, and least possible pollution of water areas....
Notes on the courtship behavior of the king rail
B. Meanley
1957, The Auk (74) 433-440
The King Rail (Rallus elegans) has been well known to collectors, hunters, and bird watchers ever since its discovery by Audubon in the early 1800's but few detailed behavior studies have been made of this species. The present paper, the third in a series based on observations in the...
Federal chemist reports on insecticide dangers
J.B. DeWitt
1957, South Carolina Wildlife (4) 4-5,
There's been much discussion, and considerable argument, in recent years regarding the effects of crop dusting on game populations. In an attempt to get some of the answers, the U. S. Fish and Wildlife Service has been conducting a series of experiments, using captive quail? and pheasants.....By. feeding. specified...