Z O O L O G Y 
 VOYAGE  OE  H.M.S.  EliEBUS  &  TERROR 
 U N 1> E R  T H E   C O ilM A N D   O F   C A P T A IN   S IR   JA M E S   C L A R K   RO SS,  R .N .,  F .R .S ., 
 DURING  THE  YEARS 
 1 8 3 9   TO  1 8 4 3 . 
 B Y   A U T H O R IT Y   OF  TH E   LORDS  COMMIS S ION ERS   OF  TH E   A D M IR A L T Y . 
 JO H N   EICHAEDSON,  M.D.,  F.E.S..  &c. 
 JO H N   EDWAEI)  GRAY,  Esq.,  P h.D.,  F.R.S.,  &o. 
 V O L .  1.  
 M AM M A L IA ,  BLKDS. 
 L O N D O N : 
 ,E.  W.  J A N S O N ,   2 8 ,  M U S E U M   S T R E E T ,   W.C. 
 M.DCCC.XIAV.—M.DCCC.LXXV.