Transcriber Note
The above article was published as part of the "Tenth Annual Report of the State Geologist For the Year 1890." (Albany, NY) on pp. 87-90 and Plate V with "Explanation of Plate V" on facing page. It was also published as part of the "Forty-fourth Annual Report of the Regents for the Year 1890" (Albany, NY) on pp. 111-114 and Plate V. Unfortunately, the available scans of these documents DO NOT include the Plate nor the Explanation pages.