Digestive Enzymes in Poikilothermal Vertebrates: An Investigation of Enzymes in Fishes, With Comparative Studies on Those of Amphibians, Reptiles, and Mammals.
Washington DC: Government Printing Office, 1925. 8vo. 19 pp. Stamp to front cover, creases down center. Bulletin of the Bureau of Fisheries, Vol. XLI, Document no. 977. Very Good Booklet (Item ID: 45909)