The voyage of H. M. S. challenger. Vol.6 

 - London  : Longmans  , 1882. 
 - 293p.  : ill.  ; 32 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>LC Class. No.: </label>FOL Q115.C4