Most of the available data on declining populations of amphibians pertain to frogs and, to a
lesser extent, salamanders. In keeping with their generally less understood biology, the …

Chemical defenses are widespread among animals, and the compounds involved may be
either synthesized from nontoxic precursors or sequestered from an environmental source …

The evidentiary basis of the currently accepted classification of living amphibians is
discussed and shown not to warrant the degree of authority conferred on it by use and …

It has taken time for the international community to accept the idea of biodiversity values, a
concept which had previously been restricted to the limited aesthetic and touristic aspects of …

When cladistic data sets include taxa with abundant missing entries, parsimony analysis
may yield multiple equally optimal trees and necessitate the use of consensus methods to …

AS ORIGINALLY CONCEIVED by the editors of these volumes, a chapter was to be written
describing the patterns of cranial diversity in amphibians. Herein, the Amphibia is …

X-chromosome inactivation is the process by which female mammals (with two X
chromosomes) achieve expression of X-chromosomal genes equivalent to that of males …

Insights into morphological diversification can be obtained from the ways the species of a
clade occupy morphospace. Projecting a phylogeny into morphospace provides estimates of …

Dumerilia Page 1 Juin 2000 Dumerilia Volume 4 Dumerilia, 2000, 4 (2): 33-98. Synonymies
and related lists in zoology: general proposals, with examples in herpetology Alain DUBOIS …

Bootstrap analyses are usually summarized with majority-rule component consensus trees.
This consensus method is based on replicated components and, like all component …