On the classification of the families and genera of the Squali of California. Proceedings of the Academy of Natural Sciences of Philadelphia, 14, 483–501
The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part I. Bulletin of the United States National Museum, 47, 1–1240
A synopsis of the sharks of the Family Cestraciontidae. Annals and Magazine of Natural History, (Series 8), 1(9), 493–497
Shore fishes collected by the "Albatross" expedition in Lower California, with descriptions of new species. Bulletin of the American Museum of Natural History, 35(16), 139–181
Fossil sharks and rays of the Pacific slope of North America. Bulletin of the Southern California Academy of Sciences, 22, 27–63, pl. 1–10
Elasmobranchii from Panama to Lower California. Bulletin of the Bingham Oceanographic Collection Yale University, 2(1): 1–13