Notes on the classification and taxonomy of the TestudinataPublished in Proc. Amer. Philos. Soc., in 1893, in volume 31, pages 210-225Second addition to the knowledge of the Batrachia and Reptilia of Costa RicaPublished in Proc. Amer. Philos. Soc., in 1893, in volume 31, pages 333-347
Second addition to the knowledge of the Batrachia and Reptilia of Costa RicaPublished in Proc. Amer. Philos. Soc., in 1893, in volume 31, pages 333-347