BIOLOGY 

 LIBRARY 



THfc LIBRARY OF 

 CONGRESS, 



Two Copies Received 



JUL 24 1903 



Ctpyrifht Entry 



* 1 

 COPY 



XXo. N. 



fc f 



Maiu Lib. 

 Agric, 



Entered according to Act of Congress, in the year 1903, by 



LEA BROTHERS & CO., 

 In the Office of the Librarian of Congress. All rights reserved. 



ELECTROTYPED BV 

 WESTCOTT & THOMSON. PHILADA, 



PRESS OF 

 WM. J. DORNAN, PHILAOA. 



