An Evolutionary Microcosm: Pleistocene and Recent History of the Land Snail P. (Poecilozonites) in Bermuda
Harvard University, 1969. First Edition. Trade Paperback. Pp. 407-532. Published as Bulletin of the Museum of Comparative Zoology, vol. 138, no. 7 (December 26, 1969). The publication of Gould's Ph.D. dissertation on land snails, the subject of his professional research and field work. An auspicious beginning to a storied career.....