Revision of the echini /
Agassiz, Alexander.
Revision of the echini / by Alexander Agassiz. - Cambridge : University Press, 1872-1874. - 3 v. : ill. ; 28 cm. - Illustrated catalogue of the Museum of comparative zoology at Harvard College. .
Revision of the echini / by Alexander Agassiz. - Cambridge : University Press, 1872-1874. - 3 v. : ill. ; 28 cm. - Illustrated catalogue of the Museum of comparative zoology at Harvard College. .