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""Notes On Ordovician Trilobites: Illaenidae From The Black River Limestone Near Ottawa, Canada"" is a scientific book written by Percy Edward Raymond and originally published in 1908. The book focuses on the study of trilobites, a group of extinct marine arthropods that lived... Read Full Overview

""Notes On Ordovician Trilobites: Illaenidae From The Black River Limestone Near Ottawa, Canada"" is a scientific publication written by Percy Edward Raymond in 1908. The book is focused on the study of trilobites, a group of extinct marine arthropods that lived during the Ordovician... Read Full Overview

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.

This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely... Read Full Overview