15

Synergistic teratogenic effects of arsenic and hyperthermia in hamsters

Year:
1977
Language:
english
File:
PDF, 257 KB
english, 1977
21

Rat virus and periodontal disease: IV. The aged hamster

Year:
1964
Language:
english
File:
PDF, 9.39 MB
english, 1964
22

Dental defects in hamsters infected with minute virus of mice

Year:
1974
Language:
english
File:
PDF, 2.30 MB
english, 1974
23

Mongolism associated with rat virus (RV) infection in hamsters

Year:
1961
Language:
english
File:
PDF, 2.05 MB
english, 1961
24

INFECTIOUS MONONUCLEOSIS

Year:
1942
Language:
english
File:
PDF, 629 KB
english, 1942
25

Relation of thermoresistance to virulence among fibroma and myxoma viruses

Year:
1959
Language:
english
File:
PDF, 116 KB
english, 1959
26

A Device for Examining Nesting Cavities

Year:
1968
Language:
english
File:
PDF, 587 KB
english, 1968
27

Foot-quivering in a Foraging Hermit Thrush

Year:
1977
Language:
english
File:
PDF, 365 KB
english, 1977
28

Colonial-Type Nesting in Yellow-Shafted Flickers as Related to Staggering of Nesting Times

Year:
1973
Language:
english
File:
PDF, 165 KB
english, 1973
29

Dirt-Bathing by a Pileated Woodpecker

Year:
1975
Language:
english
File:
PDF, 466 KB
english, 1975
30

Reproductive Behavior of the Red-Breasted Nuthatch I. Courtship

Year:
1973
Language:
english
File:
PDF, 399 KB
english, 1973
31

Nesting Behavior of Pale-Billed Woodpeckers in Guatemala

Year:
1977
Language:
english
File:
PDF, 578 KB
english, 1977
32

Altruism in Nesting Yellow-Bellied Sapsucker

Year:
1977
Language:
english
File:
PDF, 118 KB
english, 1977
33

Pair Formation, Mutual Tapping and Nest Hole Selection of Red-Bellied Woodpeckers

Year:
1958
Language:
english
File:
PDF, 620 KB
english, 1958
34

Das Jahr mit den Spechtenby Heinz Sielmann

Year:
1959
Language:
english
File:
PDF, 100 KB
english, 1959
35

Mutual Tapping of the Red-Headed Woodpecker

Year:
1959
Language:
english
File:
PDF, 158 KB
english, 1959
36

A Snake-Eating Robin

Year:
1958
Language:
english
File:
PDF, 101 KB
english, 1958
37

Head-Seratching and Wing-Stretching of Woodpeckers

Year:
1959
Language:
english
File:
PDF, 184 KB
english, 1959
38

Notes on Courtship Behavior of Wild and Tame Blue Jays

Year:
1956
Language:
english
File:
PDF, 130 KB
english, 1956
39

Unusual Feeding Behavior of the Lesser Scaup

Year:
1954
Language:
english
File:
PDF, 101 KB
english, 1954
40

Phoebe Nests with Three Cowbird Eggs

Year:
1954
Language:
english
File:
PDF, 101 KB
english, 1954
41

Winter Feeding on Sap by Sapsucker

Year:
1956
Language:
english
File:
PDF, 137 KB
english, 1956
42

The Relations of Breeding Yellow-Bellied Sapsuckers to Wounded Birches and Other Trees

Year:
1964
Language:
english
File:
PDF, 402 KB
english, 1964
44

Aggressiveness of Migrant Myrtle Warblers toward Woodpeckers and Other Birds

Year:
1961
Language:
english
File:
PDF, 101 KB
english, 1961
45

Courtship and Territorial Behavior of Hairy Woodpeckers

Year:
1960
Language:
english
File:
PDF, 596 KB
english, 1960
46

Breeding Behavior of Yellow-Bellied Sapsuckers

Year:
1962
Language:
english
File:
PDF, 347 KB
english, 1962
47

Courtship and the Pair-Bond of Pileated Woodpeckers

Year:
1979
Language:
english
File:
PDF, 260 KB
english, 1979
48

Edward Jenner, Pioneer Student of Two Major Ornithological Problems

Year:
1973
Language:
english
File:
PDF, 204 KB
english, 1973
49

Association of Red-Breasted Nuthatches with Chickadees in a Hemlock Cone Year

Year:
1975
Language:
english
File:
PDF, 147 KB
english, 1975
50

Winter Foraging and Associated Behavior of Pileated Woodpeckers in Georgia and Florida

Year:
1976
Language:
english
File:
PDF, 359 KB
english, 1976