n African Journal of Herpetology - On the identification and distribution of the Two-Striped Night Adder () and related forms : original article

Volume 54, Issue 1
  • ISSN : 2156-4574
  • E-ISSN: 2153-3660
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An examination of material of <i>Causus bilineatus&lt;/i&gt; Boulenger 1905 and of its sympatric congeners from south central Africa confirms its distinctness. Comparisons of allopatric populations of <i>C. bilineatus&lt;/i&gt; indicate that the variation in number of ventral and subcaudal scutes is limited and represents clines rather than splits between taxa, i.e., <i>C. lineatus&lt;/i&gt; Laurent is considered a synonym of the monotypic <i>C. bilineatus&lt;/i&gt; as earlier proposed. Characters are presented to help its identification, a key to the genus is constructed, and distribution maps of the six recognised species are prepared.

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