New York: Greeley & McElrath, 1846.
Hardcover. good+. First American edition and first edition in English, translated from the Guenon's French edition, with new material added by Skinner, who was Editor of the Farmers' Library. 8vo, pp 32 (Preface and Introductory Remarks), , with wood-engraved illustrations in the text. Bound in publisher's brown cloth with gilt illustration of a cow on the front board. A good or better copy, with contemporary gift inscripton on front endpaper, light foxing throughout, two small splits in spine cloth. Guenon's method of assessing the productivity of milk cows from their external characteristics alone was met with great acclaim in both France and the United States. Several other books were published in the 1850s and 1860s offering guidance on proper use of the system.