1. Die experimentelle Regeneration überschüssiger Gliedmafsentheile (Polydaktylie) bei den Amphibien
2. Contributions toward a theory of regulation
3. '05.- The Regeneration of Lost Parts in the Lobster. Report of Rhode Island Commission of Inland Fisheries, pp. 81-117, 1905. Sp. paper, No. 20.
4. '06.- The Relation of Regeneration to the Moulting Process of the Lobster. Report of Rhode Island Commission of Inland Fisheries, pp. 258-313, 1906. Sp. paper, No 27.
5. '05.- Changes in Form and Color in Successive Stages of the American Lobster. Report of Rhode Island Commission of Inland Fisheries, pp. 44-80, 1905. Sp. paper, No. 19.