ILLUSTRATED CATALOGUE 



OF THE 



MUSEUM OF COMPARATIVE ZOOLOGY, 



AT HARVARD COLLEGE. 



No. IV. 



DEEP-SEA CORALS. 



BT 



L. F. DE POURTALES, 



ASSISTANT U. S. COAST SURVEY. 



Published by pcrniission of the Siipcriiitcndcjit of the U. S. Coast Survey. 



CAMBRIDGE: 

 PRINTED FOR THE MUSEUM OF COMPARATIVE ZOOLOGY. 



1871. 



