Variations and Relationships in the Snakes of the Genus Pituophis (Classic Reprint)

A thorough guide to variation among the pit vipers of the genus Pituophis, with careful measurements and geographic context.This 1940 study collects data on how related snakes differ across regions, describing forms, color patterns, scale counts, and body proportions. It presents a systematic view of diversity within the deppei and catenifer groups, with illustrations and distribution ideas to help readers understand species and subspecies relationships.Delivers measurements and counts for ventrals, caudals, scale rows, and body ratios across multiple forms.Includes color-pattern descriptions and geographic variation across several Pituophis groups.Features illustrations of head scales, hemipenises, and other key anatomy to aid identification.Offers maps and tables summarizing variation and relationships among species.Ideal for readers of historical zoological works, taxonomy of snakes, and anyone interested in how diverse a single genus can be. Read more