1877.] The Eev. S. Haughton on Physical Geology. 



Hence, finally, 



X= -7-48, 

 T= +1-99 -0-91= +1-08; 

 or X= — 7*48 = 105-5 miles (towards Eangoon), 



Y= + l-08 = 15*2 miles (towards Greenwich). 



IV. South Ameeica. 



North of Equator. 



Long. 



cos 3 \'— COS 3 X. 



X. 



Y. 



280 



0-05 



-0-04 



-0-01 



285 



0-05 



-0-04 



-0-01 



290 



0-05 



-0-04 



-0-02 



295 



0-05 



-0-04 



-0-02 



300 



0-01 



-0-01 



0-00 



305 



0-01 



-0-01 



0-00 







X=-0-18 



Y=-0-06 





South of Equator. 





280 



0-05 



+ 0-05 



+ 0-01 



285 



0-10 



+ 0-09 



+ 0-02 



290 



0-88 



+0-82 



+ 0-30 



295 



0-55 



+ 0-50 



+0-23 



300 



0-47 



+ 0-41 



+ 0-24 



305 



0-45 



+ 0-37 



+ 0-26 



310 



0-26 



+ 0-20 



+ 0-17 



315 



0-25 



+ 0-17 



+ 0-17 



320 



0-09 



+ 0-06 



+ 0-07 







X=+2-67 



Y=+l-47 



Hence, finally, 



X=-0-18 + 2-67=+249, 

 Y=-0-06 + l-47= + l-41; 

 or X= +2-49 = 35-1 miles (towards Yucatan), 



Y= +1-41 = 19-9 miles (towards Greenwich). 



