""A New Genus of Fossil Cetaceans from Santa Cruz Territory, Patagonia: And Description of a Mandible and Vertebrae of Prosqualodon"" is a scientific book written by Frederick William True in 1909. The book is about the discovery of a new genus of fossil cetaceans in the Santa Cruz Territory of Patagonia. True provides a detailed description of the newly discovered species, including its physical characteristics, habitat, and evolutionary history. Additionally, the book includes a detailed analysis of the mandible and vertebrae of Prosqualodon, another species of cetacean found in the same area. The book is a valuable resource for paleontologists, marine biologists, and anyone interested in the evolution of marine mammals.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.