Guelph Fauna In The State Of New York is a scientific book written by John Mason Clarke, first published in 1903. The book describes the fauna of Guelph Formation in the state of New York, which is a geological formation that dates back to the Middle Devonian period. The book contains detailed descriptions of the fossils found in the Guelph Formation, including various species of fish, mollusks, and arthropods. The author provides a comprehensive...