Two New Astroradiate Eehinoderms from the Pacific Coast of Colombia and Ecuador. Proceedings of the Biological Society of Washington, 30 1917: (171-174). CClmi [Zoological Record Volume 57]
New blastoids and brachiopods from the Rocky Mountains. Bigelow Bull Mus Comp Zool Harvard Coll, 61 1917: (361-380). 171 [Zoological Record Volume 54]
Two new astroradiate echinoderms from the Pacific coast of Colombia, and Ecuador. Proc Biol Soc Washington 30 1917: (171-174). 171 [Zoological Record Volume 54]