Synopsis and descriptions of the American Rhinobatidae. Proceedings of the United States National Museum, 3(180), 516–523
Notes on the fishes of the Pacific coast of the United States. Proceedings of the United States National Museum, 4, 29–70
The Plagiostomia (Sharks, Skates and Rays). Memoirs of the Museum of Comparative Zoology at Harvard College, 36, 1–528