PETCH,T <br/><br/>
DEPARMENT OF AGRICUTURE  CEYLON NO 33 

 -  1917-1921 
 - 35P. : ill ;    25 cm 
 -  VOLL 2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>11  / M2