Gregory, J. W. 1900. The Echinoidea [Chapter 15]. Pp. 282-332 in F. A. Bather, J. W. Gregory & E. S. Goodrich (ed.) A Treatise on Zoology. Part III. The Echinoderma. A.&C. Black, London.
169771
Gregory, J. W.
1900
The Echinoidea [Chapter 15]. Pp
A Treatise on Zoology. Part III. The Echinoderma
in F. A. Bather, J. W. Gregory & E. S. Goodrich (ed A.&C. Black London : 282-332
