Geological Survey of the State of New York. Palaeontology Vol. VII - Containing Descriptions of the Trilobites and Other Crustacea of the Oriskany, Upper Helderberg, Hamilton, Portage, Chemung and Catskill Groups. 236 pp. plus 36 B & W full page plates with explanations. Also included in this volume is Palaeontology Vol. V., Part II Supplement, Containing Descriptions and Illustrations of Pteropoda, Cephalopoda and Annelida. 42 pp. Plus the Supplement Plates CXIV-CXXIX with explanations. The original cloth binding is broken away from the text block and plates, but present. The text block is still sewn together. The sewing on the plate block is no longer existing. All of the plates and pages are accounted for and are in very good condition. Ex-library, call number on spine and library stamp on the title page.