The Polychætous Annelids Dredged by the U. S. S. "Albatross" off the Coast of Southern California in 1904. I. Syllidæ, Sphærodoridæ, Hesionidæ and Phyllodocidæ
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1909, in volume 61, pages 321-351
Date published:1909