Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. LI. No. 5. 



PRELIMINARY REPORT ON THE ECHINI COLLECTED IN 1906, FROM MAY 

 TO DECEMBER, AMONG THE ALEUTIAN ISLANDS, IN BERING SEA, 

 AND ALONG THE COASTS OF KAMTCHATKA, SAKHALIN, KOREA, 

 AND JAPAN, BY THE U.S. FISH COxMMISSION STEAMER "ALBA- 

 TROSS," IN CHARGE OF LIEUT. COMMANDER L. M. GARRETT, U. S. N., 

 COMMANDING. 



By Alexander Agassiz and Hubert Lyman Clark. 



[Published by Permission of Geoege M. Bowees, U. S. Fish. Commissioner.] 



CAMBRIDGE, MASS., U.S.A.: 

 PRINTED FOR THE MUSEUM. 



October, 1907. 



