QH1 .N39
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Naturalist. |
1 |
QH1 .N416
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The naturalist. |
1 |
QH1 .N43
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Nature notes. |
1 |
QH1 .N487
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Nature and system. |
1 |
QH1 .N56 no. 2
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A field guide to the sparrows of Nevada / |
1 |
QH1 .N57
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New biology. |
1 |
QH1 .O28 no. 16
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A review of the centrolenid frogs of Ecuador : with descriptions of new species / |
1 |
QH1 .O28 no. 16,18,20,22-23,26-28,30-31,33,38,40,42,46,48-50,52,55,59,61
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A review of the centrolenid frogs of Ecuador : with descriptions of new species / |
1 |
QH1 .O28 no. 18
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Population structure and survivorship in some Costa Rican lizards / |
1 |
QH1 .O28 no. 20
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A new genus and species of microhylid frog from Ecuador / |
1 |
QH1 .O28 no. 22
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A systematic review of the marsupial frogs (Hylidae: Gastrotheca) of the Andes of Ecuador / |
1 |
QH1 .O28 no. 23
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Speciation in frogs of the Hyla parviceps group in the upper Amazon Basin / |
1 |
QH1 .O28 no. 26
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Description of a new species of microhylid frog, Chiasmocleis, from Ecuador / |
1 |
QH1 .O28 no. 27
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A reassessment of the taxonomic status of some neotropical Hylid frogs / |
1 |
QH1 .O28 no. 28
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A re-evaluation of the Hyla bistincta species group, with descriptions of three new species (Anura : Hylidae) / |
1 |
QH1 .O28 no. 30
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Taxonomic notes on South American dendrobatid frogs of the genus Colostethus / |
1 |
QH1 .O28 no. 31
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New species of frogs (leptodactylidae, Eleutherodactylus) from the Amazonian lowlands of Ecuador / |
1 |
QH1 .O28 no. 33
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Possible functions of ornament in labyrinthodont amphibians / |
1 |
QH1 .O28 no. 38
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A review of the broad-headed eleutherodactyline frogs of South America (Leptodactylidae) / |
1 |
QH1 .O28 no. 40
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Sympatry and interrelationships in Costa Rican anoles / |
1 |