Echinoderms of Peru. by Hubert Lyman Clark ...
A Catalogue of the Recent Sea-Urchins-Echinoidea-in the Collection of the British Museum ... By Hubert Lyman Clark
Echinoderms From Lower California, With Descriptions of New Species
Some Additional Fossil Echini from Jamacia, by Benjamin Walworth Arnold and Hubert Lyman Clark
A Revision of the Keyhole Urchins, Mellita, by Hubert Lyman Clark
The Pterylography of Certain American Goat-suckers and Owls
Jamaican Fossil Echini, by Benjamin Walworth Arnold and Hubert Lyman Clark. With Descriptions of New Species of Cainozoic Echinoidea, by Herbert L. Hawkins
Further Notes on the Echinoderms of Bermuda
Hawaiian and Other Pacific Echini ...
The Apodous Holothurians
Reflections on Royalston, Worcester County, Massachusetts, U.S.A.
A Catalogue of the Recent Sea-urchins ('Echinoidea') in the Collections of the British Museum... by Hubert Lyman Clark,...
North Pacific Ophiurans in the Collection of the United States National Museum, by Hubert Lyman Clark,...
Growth-changes in Brittle Stars
Further Notes on the Echinoderms of Bermuda
Bermudan Echinoderms
Synapta Vivipara
The Pterylography of Certain American Goat-suckers and Owls
The Cidaridae
The Birds of Amherst and Vicinity