1

The Evolution of Zoos from Menageries to Centers of Conservation and Caring

Year:
2004
Language:
english
File:
PDF, 637 KB
english, 2004
2

Social Relationships in a Group of Captive Wolves

Year:
1967
Language:
english
File:
PDF, 841 KB
english, 1967
3

Character analysis: an empirical approach applied to advanced snakes

Year:
1970
Language:
english
File:
PDF, 1.34 MB
english, 1970
4

On the Mating and Egg-Laying Behavior of the Surinam Toad, Pipa pipa

Year:
1960
Language:
english
File:
PDF, 588 KB
english, 1960
5

The Herpetology of Tiber Reservoir Area, Montana

Year:
1952
Language:
english
File:
PDF, 357 KB
english, 1952
6

Propagation plans

Year:
1986
Language:
english
File:
PDF, 563 KB
english, 1986
7

Coordinating conservation: global networking for species survival

Year:
1995
Language:
english
File:
PDF, 767 KB
english, 1995
8

Cover Essay: Sounding Off

Year:
2006
Language:
english
File:
PDF, 95 KB
english, 2006
10

On the behavior and breeding biology of the African pipid frog: Hymenochirus boettgeri

Year:
1963
Language:
english
File:
PDF, 2.46 MB
english, 1963
11

Additional Observations on Breeding Behavior of the Surinam Toad, Pipa pipa

Year:
1963
Language:
english
File:
PDF, 372 KB
english, 1963
13

Reproductive and Vocal Behavior in Captive Pumas

Year:
1959
Language:
english
File:
PDF, 160 KB
english, 1959
14

Social Relationships in a Group of Captive Wolves

Year:
1967
Language:
english
File:
PDF, 752 KB
english, 1967
15

Anatomy of the Digestive System of Guinea Pig (Cavia porcellus)

Year:
1956
Language:
english
File:
PDF, 602 KB
english, 1956
16

Education and Zoos

Year:
1968
Language:
english
File:
PDF, 1.24 MB
english, 1968
17

Major Ecological and Geographic Patterns in the Evolution of Colubroid Snakes

Year:
1973
Language:
english
File:
PDF, 1.32 MB
english, 1973
18

Observations on the Identity of the Salamander Plethodon huldae

Year:
1955
Language:
english
File:
PDF, 126 KB
english, 1955
19

The Changing Roles of Zoological Parks in Conserving Biological Diversity

Year:
1994
Language:
english
File:
PDF, 1.40 MB
english, 1994
20

Comparative Osteology and Evolution of the Lungless Salamanders, Family Plethodontidae

Year:
1967
Language:
english
File:
PDF, 143 KB
english, 1967
21

Observations on Breeding and Development of the Surinam Toad, Pipa pipa

Year:
1960
Language:
english
File:
PDF, 255 KB
english, 1960
22

A New Salamander of the Genus Chiropterotriton from Chiapas, Mexico, with Notes on Related Species

Year:
1960
Language:
english
File:
PDF, 469 KB
english, 1960
23

Taxonomic Criteria in Australian Frogs

Year:
1956
Language:
english
File:
PDF, 371 KB
english, 1956
25

Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassizby John M. Legler

Year:
1961
Language:
english
File:
PDF, 168 KB
english, 1961
26

Okapia johnstoni || Okapia johnstoni

Year:
1992
Language:
english
File:
PDF, 737 KB
english, 1992
27

The Salamander Ambystoma mabeei in South Carolina

Year:
1948
Language:
english
File:
PDF, 149 KB
english, 1948
28

On the Unique Sound Production of the Surinam Toad, Pipa pipa

Year:
1960
Language:
english
File:
PDF, 174 KB
english, 1960
29

Occurrence of the Turtle Graptemys barbouri in Georgia

Year:
1949
Language:
english
File:
PDF, 128 KB
english, 1949
30

Some Observations on the Salamander, Stereochilus marginatum

Year:
1956
Language:
english
File:
PDF, 143 KB
english, 1956
31

Longevity Records for Mammals at the Chicago Zoological Park

Year:
1960
Language:
english
File:
PDF, 211 KB
english, 1960
32

Smith's Longspur in North Carolina

Year:
1948
Language:
english
File:
PDF, 191 KB
english, 1948
33

On the Zoological Record

Year:
1961
Language:
english
File:
PDF, 171 KB
english, 1961
34

Notes on Feeding Behavior of an African Egg-Eating Snake

Year:
1960
Language:
english
File:
PDF, 177 KB
english, 1960
35

A New Race of the Iguanid Lizard Leiocephalus carinatus from Cayman Brac, B.W.I

Year:
1957
Language:
english
File:
PDF, 301 KB
english, 1957
36

Amphibiaby A. G. C. Grandison; W. E. Swinton

Year:
1960
Language:
english
File:
PDF, 210 KB
english, 1960
38

Festschrift zum 70 Geburtstag von Prof. Dr. Robert Mertensby Konrad Klemmer

Year:
1965
Language:
english
File:
PDF, 208 KB
english, 1965
39

Notes on Reproduction in Captive Marmosets

Year:
1960
Language:
english
File:
PDF, 262 KB
english, 1960
40

More about the Broad-Winged Hawk in South Carolina

Year:
1948
Language:
english
File:
PDF, 238 KB
english, 1948
41

Reptiliaby J. C. Battersby; W. E. Swinton

Year:
1961
Language:
english
File:
PDF, 242 KB
english, 1961
42

The Changing Roles of Zoological Parks in Conserving Biological Diversity

Year:
1994
Language:
english
File:
PDF, 456 KB
english, 1994
43

A New Frog of the Genus Plectrohyla from the Sierra de los Tuxtlas, Mexico

Year:
1959
Language:
english
File:
PDF, 540 KB
english, 1959
44

MAJOR ECOLOGICAL AND GEOGRAPHIC PATTERNS IN THE EVOLUTION OF COLUBROID SNAKES

Year:
1973
Language:
english
File:
PDF, 995 KB
english, 1973
46

Diapause in the phytoseiid mite, Neoseiulus (T.) fallacis

Year:
1971
Language:
english
File:
PDF, 734 KB
english, 1971
48

The Muscular System of Guinea Pig (Cavia porcellus)

Year:
1957
Language:
english
File:
PDF, 1.29 MB
english, 1957