In the past two decades, molecular investigations of systematic problems have progressed
from uncommon curiosities to a standard means of elucidating phylogenetic history. This …

Fifteen years ago, I think it inconceivable that editors should have offered, or a reviewer
accepted, a title such as mine. After all, evolution is a theory about the history of life; …

The world's most revered and eloquent interpreter of evolutionary ideas offers here a work of
explanatory force unprecedented in our time—a landmark publication, both for its historical …

From Darwin onward, it has been second nature for evolutionary biologists to think
comparatively because comparisons establish the generality of evolutionary phenomena …

The field of plant taxonomy has transformed rapidly over the past fifteen years, especially
with regard to improvements in cladistic analysis and the use of new molecular data. The …

Reconstructing the Past seeks to clarify and help resolve the vexing methodological issues
that arise when biologists try to answer such questions as whether human beings are more …

The power of an anthropological approach to long-term history lies in its unique ability to
combine diverse evidence, from archaeological artifacts to ethnographic texts and …

Periodically it is worthwhile to assess our knowledge and understanding of mammalian
phylogeny and one of its expressions, classification. This short paper is yet another attempt …

Page 1 PRINCIPLES OF Paleontology David M. Raup Steven M. Stanley Page 2 Page 3
PRINCIPLES OF Paleontology Page 4 An assemblage of trilobites of Devonian age: Phacops …

Centers of origin and related concepts. Syst. Zool. 23: 265–287.—The concept of center of
origin in the Darwinian sense is often accepted and used as if it were a conceptual model …