49 



SCHOMBURGK— GREAT COLONIAL MAP-1887. 



NORTHWESTERN PART OF THE "GREAT COLONIAL MAP" ENTITLED:- 

 "MAP OF BRITISH GUIANA COMPILED FROM THE SURVEYS EXECUTED UNDER HER MAJESTY'S COMMISSION FROM 1841 TO 1844. AND UNDER THE DIRECTION 

 "OF THE ROYAL GEOGRAPHICAL SOCIETY FROM 1835 TO 1839. BY SIR ROBERT H. SCHOMBURGK, K. R. E., Ph. D. REVISED AND CORRECTED TO THE PRESENT 

 "TIME BY CATHCART CHALMERS ESQ. CROWN SURVEYOR OF THE COLONY. AND JAMES GAY SAWKINS ESQ. DIRECTOR OF THE GEOLOGICAL SURVEY OF THE 

 "WEST INDIES AND BRITISH GUIANA. WITH ADDITIONS BY CHARLES B. BROWN ESQ. ENGRAVED UNDER THE SUPERINTENDENCE OF WILLIAM WALKER, ESQ. 1876." 



REPRODUCED FROM COPY IN POSSESSION OF THE COMMISSION.' 



ORIGINAL SIZE OF PART HERE SHOWN 80.4 X 30.7 INCHES. 



Note.— From the second edition dated 1875, published in 1887 in London by Stanford. The first edition, also dated 1875 and published about 1876, shows a different boundary. 



PHOTO UTH BYA HOEN&CO. BALTIMORE. MD. 



