Source: http://rjh.folium.ru/index.php/rjh/article/view/710
Timestamp: 2019-04-19 11:21:30+00:00

Document:
Morphological characters of the typical form of the common adder, Vipera berus, and its black form, so-called «Vipera nikolskii», distributed in the partially wooded steppe of the Oka – Don plain, were investigated. Taxonomic status of black form is discussed.
Ananjeva N. B., Borkin L. J., Darevsky I. S., and Orlov N. L. (1998), Amphibians and Reptiles, ABF, Moscow [in Russian].
Bakiev A. G., Malenev A. L., Peskov A. N., and Gridnev D. V. (2000), «Morphological characteristics of vipers from the forest-park zone of Samara», in: The Actual Problems of Herpetology and Toxinology. Vol. 4, Tolyatti, pp. 3 – 8 [in Russian].
Bannikov A. G., Darevsky I. S., and Rustamov A. K. (1971), Amphibians and Reptiles of the USSR, Mysl’, Moscow [in Russian].
Bannikov A. G., Darevsky I. S., Rustamov A. K., Ishchenko V. G., and Shcherbak N. N. (1977), Key to Amphibians and Reptiles of the USSR Fauna, Prosveshchenie, Moscow [in Russian].
Bozhanskiy A. T. (2001), «Vipera nikolskii», in: The Red Data Book of the Russian Federation. Animals, AST – Astrel’, Tver’, pp. 348 – 349 [in Russian].
Grubant V. N., Rudaeva A. V., and Vedmederja V. I. (1973), «On the taxonomic status of the black form of the common adder», in: Problems of Herpetology, Nauka, Leningrad, pp. 68 – 71 [in Russian].
Lakin G. F. (1968), Biometry, Vysshaya Shkola, Moscow [in Russian].
Orlova V. F. and Semenov D. V. (1999), Amphibians and Reptiles, AST, Moscow [in Russian].
Shcherbak N. N. (1989), «The procedures of description of new taxons», in: The Guide for Investigation of Amphibians and Reptiles, Kiev, pp. 89 – 92 [in Russian].
Shcherbak N. N. and Shcherban M. I. (1980), Amphibians and Reptiles of the Ukrainian Carpathians, Naukova Dumka, Kiev [in Russian].
Sokolov A. S. and Lada G. A. (2000), «Reptiles», in: Red Data Book of the Tambov Oblast’. Animals, Proletarskii Svetoch, Tambov, pp. 231 – 237 [in Russian].
Terentjev P. V. and Chernov S. A. (1949), Key to Reptiles and Amphibians, Sovetskaya Nauka, Moscow [in Russian].
Vedmederja V. I. (1989), «Vipers of the subgenus Pelias», in: The Guide for Investigation of Amphibians and Reptiles, Kiev, pp. 35 – 39 [in Russian].
Vedmedreja V. I., Grubant V. N., and Rydaeva A. V. (1986), «On the problem of specific name for the black adder of the partially wooded steppe of the European part of the USSR», Trudy Khark. Univ., 288, 83 – 85 [in Russian].

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