THE 



ZOOLOGY 



OF THE 



VOYAGE OF H.M.S. EREBUS & TERROR, 



UNDER THE COMMAND OF CAPTAIN SIR JAMES CLARK ROSS, R.N., P.R.S., 



DURING THEYEARS 



1839 TO 1843. 



BY AUTHORITY OF THE LORDS COMMISSIONERS OF THE ADMIRALTY. 



EDITED BY 



JOHN RICHARDSON, M.D, F.R.S., &c. 



AND 



JOHN EDWARD GRAY, Esq., Ph.D., F.R.S., &c. 



BIRDS. 



GEORGE ROBERT GRAY, F.R.S., &c., 



AND 



R. BOWDLER SHARPB, F.L.S., F.Z.S., &c., 

 Or THE Zoological Department, British Museum. 



LONDON: 

 E. W. JANSON, 28, MUSEUM STREET, W.C. 

 M. DCCC. XLVI .— M. DCCC. LXX V. 



