E.C. Robbins, C.S. Robbins
1949, Wood Thrush (4) 161-162
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Publication Extents
Not all publications have extents, not all extents are completely accurateC.S. Robbins
1949, Wood Thrush (4) 107-108
C.S. Robbins
1949, Audubon Field Notes (3) 35-38
C.S. Robbins
1949, Wood Thrush (4) 232-233
C.S. Robbins
1949, Maryland Birdlife (5) 62-63
C.S. Robbins
1949, Maryland Birdlife (5) 56-58
C.S. Robbins
1949, Maryland Birdlife (5) 8-10
C.S. Robbins
1949, Maryland Birdlife (5) 50-53
C.S. Robbins
1949, Wood Thrush (5) 75-76
C.S. Robbins
1949, Maryland Birdlife (5) 30-32
J.A. Morris, D. R. Coburn
1949, Journal of the American Veterinary Medical Association (115) 259-260
C.S. Robbins
1949, Wood Thrush (4) 200-201
L.M. Dargan, W. H. Stickel
1949, Copeia (1949) 264-268
No abstract available....
C.H. Hoffman, J.P. Linduska
1949, Scientific Monthly (69) 104-114
D.L. Allen
1949, Science Digest (26) 65-68
D. R. Coburn, J.A. Morris
1949, Cornell Veterinarian (39) 198-201
L.F. Stickel
1949, Dissertation Abstracts International (9) 195
A population study of Terrapene carolina (Linnaeus) was made at the Patuxent Research Refuge, Maryland, from 1944 to 1947. A thirty acre area in bottomland forest was selected for intensive study. Turtles were marked by filing notches in marginal scutes according...
E. Bellack, J.B. DeWitt
1949, Journal of the American Pharmaceutical Association (38) 109-112
A biological assay procedure and a method for the numerical expression of results have been devised for the determination of the repellency to rodents of different chemical compounds. The procedure is based upon the degree of acceptability of foods containing the candidate repellents, and has been shown to offer a...
J.P. Linduska
1949, Missouri Quail Hunter (4) 7, 11
S.H. Low
1949, Wood Thrush (4) 145-149
J.B. DeWitt, R. B. Nestler, J.V. Derby Jr.
1949, Journal of Nutrition (39) 567-577
In the course of studies designed to determine the calcium and phosphorus requirements of breeding bobwhite quail, it was found that best results were obtained when the Ca/P ratio in the diet was approximately 2.3:1. Variations in the Ca/P ratio produced significant differences in results when the level...
D.L. Allen
1949, Virginia Wildlife (10) 16-18
D.L. Allen
1949, Field and Stream (54) 60, 126-128
The bounty system doesn't work....
L. M. Llewellyn
1949, The Auk (66) 96-96
During the Christmas holidays (1947) five white-crowned sparrows (Zonotrichia l. leucophrys) were trapped and banded at McCoole, Allegany County, Maryland. On January 31 and February 1, 1948, 11 more were banded and a flock of at least 21 white-crowns was counted feeding in the snow under pigweed (Amaranthus hybridus)....
E. Bellack, J.B. DeWitt
1949, Journal of the American Pharmaceutical Association, Scientific Edition (39) 197-202
In order to bridge the gap between preliminary screening of chemicals for potential rodent repellency and the application of these compounds to paper cartons, more advanced studies in the evaluation of promising materials have been carried out. These studies have resulted in: (1) a modification of the food acceptance technique...