DigiCat Publishing presents to you this special edition of "The Amphibians and Reptiles of Michoacán, México" by William Edward Duellman. DigiCat Publishing considers every written word to be a legacy of humankind. Every DigiCat book has been carefully reproduced for republishing in a new modern format. The books are available in print, as well as ebooks. DigiCat hopes you will treat this work with the acknowledgment and passion it deserves as a classic of world literature.

In 'A Revision of Snakes of the Genus Conophis', John Wellman presents a comprehensive analysis of the snakes belonging to the Family Colubridae in Middle America. The book meticulously details the taxonomy, morphology, and distribution of the snakes, providing valuable insights for both herpetologists and nature enthusiasts. Wellman's writing style is both informative and engaging, making the complex subject matter accessible to a wide audience. This book is a must-read for anyone interested in the biodiversity of snakes in this region. Wellman's attention to detail and extensive research set this work apart in the field of herpetology. His revisions and classifications are sure to influence future studies in the area. John Wellman's passion for snakes and dedication to the subject shine through in this scholarly work, making it a valuable addition to the library of any aspiring biologist or avid reader fascinated by the natural world.

'A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México' by William Edward Duellman is a comprehensive guide to the species of amphibians residing in the Isthmus of Tehuantepec, Mexico. The book describes the environments in which they live, discusses their distribution in the isthmus, and attempts to explain present distribution patterns with reference to climatic fluctuations in the Pleistocene. Duellman's research provides valuable insights into the diversity of amphibians in the region, their ecology, and their habitat requirements.

The baculum is a bone found within the penis of certain mammals. This anatomical orientation of the baculum is essential in understanding certain rodents' anatomy. This comprehensive work aims to erase any confusion related to the subject in the minds of new students.

The most comprehensive reference on Mexico's diverse mammalian fauna. Mammals of Mexico is the first reference book in English on the more than 500 types of mammal species found in the diverse Mexican habitats, which range from the Sonoran Desert to the Chiapas cloud forests. The authoritative species accounts are written by a Who’s Who of experts compiled by famed mammalogist and conservationist Gerardo Ceballos. Ten years in the making, Mammals of Mexico covers everything from obscure rodents to whales, bats, primates, and wolves. It is thoroughly illustrated with color photographs and meticulous artistic renderings, as well as range maps for each species. Introductory chapters discuss biogeography, conservation, and evolution. The final section of the book illustrates the skulls, jaws, and tracks of Mexico’s mammals. This unparalleled collection of scientific information on, and photographs of, Mexican wildlife belongs on the shelf of every mammalogist, in public and academic libraries, and in the hands of anyone curious about Mexico and its wildlife.

This informational report examines the ability of fish populations in the Neosho and Marais des Cygnes rivers in Kansas to readjust to constant stream flow following irregular conditions resulting from the severest drought in the state's history. Content includes: Introduction Description of Neosho River Description of Marais des Cygnes River Methods Annotated List of Species Fish-fauna of the Upper Neosho River Comparison of the Fish-faunas of the Neosho and Marais des Cygnes Rivers Faunal Changes, 1957 Through 1959 Conclusions Acknowledgments Literature Cited

Natural History of the Racer Coluber constrictor is a naturalist book by Henry S. Fitch. It describes the eastern racer (Coluber constrictor), a species of nonvenomous snake found in North and Central America.