Results 291 to 300 of about 59,296 (338)
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Counting Chromosomes in Amphibia

Stain Technology, 1954
A simple technic for obtaining division figures in the gonads of amphibians in the non-breeding seasons is proposed. Salamanders were injected intraperitoneally with 0.5 ml. of a solution made by mixing 60 mg. of desiccated mammalian pituitary and 3 ml. of isotonic amphibian Ringer's solution.
W. V. Archambault, M. P. Walsh
openaire   +3 more sources

Amphibia-Related Viruses

1967
Publisher Summary The chapter discusses the present knowledge of both the suspected and established amphibia-related viruses. The former category includes viruses associated with a lipoma of Wisconsin frogs ( Rana pipiens ), an epithelioma of the newt, Triturus alpestris , and a lymphosarcoma of the toad, Xenopus laevis. The basis of the suspected
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On the Evolution of the Vertebral Column of Amphibia and Amniota


This paper, with that by Miss Abbott and myself (‘Phil. Trans.,’ B, 1895), forms a rounded-off investigation of the evolution of the vertebral column. I have to thank Miss Abbott for the preparation of sections and for hundreds of preliminary consecutive
H. Gadow
semanticscholar   +1 more source

Origin of the Amphibia

Nature, 1968
The Origin of Terrestrial Vertebrates By I. I. Schmalhausen. Translated from the Russian by Leon Kelso. Edited by Keith Stewart Thomson. Pp. xxi + 314. (Academic Press: New York and London, 1968.) 140s.
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Amphibia and Reptiles

1984
It is generally assumed that the yellow skin colours of amphibia are due to the deposition of carotenoids in these areas but investigations are not numerous and recent reports are few indeed.
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Amphibia and Reptiles

1976
The fauna of Amphibians and Reptiles of Egypt consists of 89 species; Marx (1968) distinguishes 93. They are distributed over the arid regions, the cultivated land and the aquatic habitat. Bufonid toads and a large array of geckonid, lacertid and agamid lizards, skinks and colubrid snakes are the most important herpeto-faunal elements reflecting the ...
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Evolution of Cranial Shape in Caecilians (Amphibia: Gymnophiona)

Evolutionary biology, 2014
E. Sherratt   +3 more
semanticscholar   +1 more source

The Euro-American genus Eopelobates, and a re-definition of the family Pelobatidae (Amphibia, Anura)

Palaeobiodiversity and Palaeoenvironments, 2014
Z. Roček   +3 more
semanticscholar   +1 more source

The Amphibia of Ceylon

Copeia, 1957
P. Kirtisinghe, Robert F. Inger
openaire   +2 more sources

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