Author
Robert G. (Robert Gravem) Webb
1927-2018
Robert G. (Robert Gravem) Webb (1927-2018) is a public-domain author available on Rivro. Read free books, explore subjects, and discover related classics.
WikipediaBooks by Robert G. (Robert Gravem) Webb
North American Recent Soft-Shelled Turtles (Family Trionychidae)
"North American Recent Soft-Shelled Turtles (Family Trionychidae)" by Robert G. Webb is a scientific publication written in the early 1960s. This work provides a comprehensive examination of the genus "Trionyx", which includes various species and subspecies of soft-shelled turtles found in North America. The book delves into their taxonomy, natural history, collecting methods, and evolutionary relationships, aimed at professional biologists and herpetologists. The opening of the text introduces the author’s motivation to study soft-shelled turtles, sparked by his observations while collecting specimens from river systems in the Gulf Coast. Webb raises questions about the geographical distribution and variations among turtle populations, aiming to understand how historical changes in aquatic habitats have influenced the species. He also outlines the methods and materials used in his research, preparing readers for a systematic account of the turtles, their habitats, behaviors, and the significance of their study in the broader context of river ecology and evolution.
Some Reptiles and Amphibians from Korea
"Some Reptiles and Amphibians from Korea" by Robert G. Webb, J. Knox Jones, Jr., and George W. Byers is a scientific publication written in the early 1960s. This academic work focuses on the herpetological fauna of Korea, detailing a collection of 382 reptile and amphibian specimens collected during field studies in the 1950s. The publication aims to enhance the understanding of these species' natural history and taxonomy, contributing to the overall body of knowledge regarding Korea's unique biodiversity. The book presents comprehensive accounts of 22 species of reptiles and amphibians previously reported from Korea, including descriptions of their habitats and behaviors. The authors separate their contributions, with Jones and Byers primarily addressing natural history and Webb focusing on taxonomic classifications. Each species account includes detailed measurements, physical descriptions, and remarks on the ecological context in which the specimens were collected. Additionally, the publication enriches earlier studies by providing new specimens and observations, ultimately serving as a valuable source for researchers and enthusiasts interested in Korean herpetology.
Description of a New Softshell Turtle from the Southeastern United States
"Description of a New Softshell Turtle from the Southeastern United States" by Robert G. Webb is a scientific publication produced in the late 20th century. The book provides a detailed examination of a newly identified subspecies of softshell turtle, specifically "Trionyx muticus calvatus", native to the river systems of the Gulf Coast. It is part of a broader effort to catalogue and understand the biodiversity within the southeastern United States. In this work, Webb presents robust descriptions of the new subspecies based on careful morphological examinations of both holotype and paratype specimens collected from regions including Mississippi, Louisiana, and Florida. He analyzes key characteristics that differentiate "Trionyx muticus calvatus" from related subspecies, such as distinct patterns of spotting on the carapace and specific features of the snout and shell. The publication includes measurements, habitat descriptions, and comparisons to related species, contributing significantly to herpetological knowledge and the classification of freshwater turtles in North America.
A New Species of Frog (Genus Tomodactylus) from Western México
"A New Species of Frog (Genus Tomodactylus) from Western México" by Robert G. Webb is a scientific publication written in the early 1960s. This work is categorized as a research paper focused on the field of herpetology, specifically detailing the discovery of a new frog species in Western Mexico. The book likely addresses the scientific aspects of taxonomy, anatomy, and habitat that pertain to this newly identified species. In this study, Webb presents findings from the collection of thirteen specimens of frogs from Durango and Sinaloa. He formally describes the species as "Tomodactylus saxatilis", providing comprehensive morphological details that differentiate it from other species in the genus. The paper includes the specific measurements and characteristics of the holotype and paratypes, alongside habitat descriptions that indicate a preference for rocky environments. The publication also discusses the similarities and distinctions between "Tomodactylus saxatilis" and other related species, contributing to the broader understanding of amphibian diversity in the region.