Although studies of anuran hand and foot musculature began in the first half of the 19th century, all studies to date have been taxonomically or anatomically restricted in scope, and none has considered the diversity of ...

"The New World xenodontine 'colubrids' represent two immunologically distinct assemblages--the Central and South American lineages, neither of which has been well diagnosed to date. I follow this nomenclature and recognize ...

Prince Maximilian of Wied made important collections of reptiles and other vertebrate animals during pioneering expeditions to Brazil and North America. These were purchased for the American Museum in 1869. The present ...

"The lizard family Gekkonidae consists of 82 genera and approximately 650 species. The family is found on the majority of land masses between latitude 50° N. and latitude 50° S. and has adapted to most environmental extremes ...

Species concepts are morphologically revised and updated for members of the mycophagous genus Hirtodrosophila Duda that occur in America north of Mexico. Photomicrographs of external features, illustrations of male and ...