North American Acalephae

Three Cruises of the United States Coast and Geodetic Survey Steamer Blake

Report on the Echini

A Contribution to American Thalassography

Coral Reefs of the Tropical Pacific

Coral Reefs of the Maldives; Volume 2

Reconnoissance of the Bahamas and of the Elevated Reefs of Cuba in the Steam Yacht Wild Duck, January to April 1893

Coral Reefs of the Maldives

Coral Reefs of the Maldives; Volume 1

North American Acalephæ

Three Cruises of the United States Coast and Geodetic Survey Steamer Blake , in the Gulf of Mexico, in the Caribbean Sea, and along the Atlantic Coas