Author
John M. Legler
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Subjects
Books by John M. Legler
Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz
"Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz" by John M. Legler is a scientific publication written in the mid-20th century. This comprehensive work focuses on the ornate box turtle, delving into various aspects such as its habitat, reproduction, growth, and ecological roles. It serves as an extensive resource for understanding the biology and life history of this species in its natural environment. The opening of the publication outlines the intent and scope of the study conducted by the author, who meticulously investigated ornate box turtles from September 1953 to July 1957. Legler details the methodologies used for field and laboratory studies, emphasizing the goal of gaining insights into the turtles' habits, adaptations, and reproductive cycles. The introduction presents preliminary information about the geographic distribution, habitat preferences, reproductive behaviors, and ecological significance of the ornate box turtle, setting the stage for the detailed exploration that follows in subsequent chapters.
A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, México
"A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, México" by John M. Legler is a scientific publication published in the late 20th century, specifically in 1960. This work details the identification and characteristics of a newly categorized subspecies of slider turtle found in Cuatro Ciénegas, Coahuila, Mexico. The focus of the book is on the biological and morphological distinctions of this turtle subspecies compared to others in the region. In this publication, Legler presents his findings based on field research conducted in 1958, where he and his colleagues collected specimens of what they identified as a previously unrecognized subspecies, named "Pseudemys scripta taylori". The book provides a thorough description of the holotype and paratypes, detailing the physical characteristics such as shell morphology, coloration, and patterns found on the plastron. It also discusses the habitat and natural history of the "taylori" subspecies, indicating its ecological preferences and geographic range. Furthermore, Legler explores the evolutionary relationships and phylogenetic background of the turtle, suggesting that "taylori" may be a relict population that illustrates the historical isolation of the Cuatro Ciénegas basin in relation to other populations of "Pseudemys scripta".
A New Snake of the Genus Geophis From Chihuahua, Mexico
"A New Snake of the Genus Geophis From Chihuahua, Mexico" by John M. Legler is a scientific publication that was written in the late 1950s. This work presents the discovery and description of a new species of snake, specifically within the "Geophis" genus, found in Chihuahua, Mexico. The book is primarily focused on herpetology and contributes to the understanding of the biodiversity within this region. The publication details the collection of two specimens during a field expedition by the University of Kansas Museum of Natural History, highlighting the features that distinguish this new species, named "Geophis aquilonaris". Legler provides extensive descriptions of the snake's physical attributes, including scalation, coloration, and measurements, thereby positioning it within the existing classification of Mexican snakes. The findings also discuss potential geographical range and relationships to other "Geophis" species, emphasizing the ecological significance of the discovery and suggesting further research on the distribution of this genus in Mexico.
A New Tortoise, Genus Gopherus, From North-central Mexico
"A New Tortoise, Genus Gopherus, From North-central Mexico" by John M. Legler is a scientific publication written in the mid-20th century. This book presents a detailed taxonomic study of a newly identified species of tortoise, "Gopherus flavomarginatus", which was discovered in north-central Mexico. The work contributes to the broader understanding of the Gopherus genus, highlighting both the physical characteristics and the distribution of this new species. The document outlines the features that distinguish "Gopherus flavomarginatus" from other tortoise species, including its unique shell structure, coloration, and size. It provides detailed descriptions based on various specimens, alongside synonymous observations from historical references and personal field notes collected by the author. Furthermore, the book delves into the tortoise's potential distribution range in Mexico and discusses anecdotal accounts suggesting its presence, underscoring the significance of this discovery in the context of biodiversity and conservation in desert ecosystems. The scientific rigor and detailed analysis make it a valuable resource for herpetologists and researchers interested in the taxonomy and ecology of North American tortoises.