The North American Continent During Cambrian Time is a historical book written by Charles Doolittle Walcott and published in 1892. The book is a detailed account of the geological history of North America during the Cambrian period, which occurred approximately 540 million years ago. The author provides a comprehensive analysis of the various geological formations and fossil records found in North America during this time period, including the famous Burgess Shale formation in British Columbia, Canada. The book contains numerous illustrations and detailed descriptions of the various species of animals and plants that existed during the Cambrian period, including trilobites, brachiopods, and sponges. The author also discusses the impact of the Cambrian period on the evolution of life on Earth, and provides insights into the geological processes that shaped the North American continent during this time. This book is an essential resource for anyone interested in the history of geology and the evolution of life on our planet.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.