The date shews when this volume Avas taken. 



To Venew this book copy the call No. and give to 

 the librarian. 



HOME USE RULES. 



All Books subject to 

 RecaU. 



Books not used for 

 insU-uction or research 

 are returnable within 4 

 weeks. 



Volumes of periodi- 

 cals and of pamphlets' 

 are held in thejiibrary 

 as much as possible. 

 For special purposes 

 they are given out for 

 a limited time. 



Borrowers should 

 not use their library 

 privileges for the b^ne- 

 _ fit of other persons. 



Books not needed 

 during recess periods 

 should be returned to 

 ^the library or arrange- 

 ments mad« for their 

 return during bofrow- 

 er's absence, if wanted. 



Books needed by 

 more than one person 

 are held on the reserve 

 list. 



Books ©f speciai 

 value and gift books, 

 wiien the giver wishes 

 it, are not allowed to 

 circulate. 



Readers are asked to 

 report allcases of books 

 marked or mutilated. 



Do not deface books by marks aad writitis- 



SF 995.895""^" ""'""'""■"'^"^>' 

 Diseases of pigeons. 



3 1924 003 232 018 



