58 The Kev. S. Haughton on Physical Geology. [Mar. 8, 



Adding all together we obtain, finally, 



X = —0*22 = 3*1 miles (towards Eangoon), 



T= -1-91 = 26-9 miles (towards Behring's Strait). 



III. NoETH AMEEICA. 



Long. 



cos 3 X'— cos 3 X. 



X. 



Y. 



o 



195 



0-06 



-0-01 



+ 0-06 



200 



0-13 



—0-04 



+ 0-12 



205 



0-06 



-0*02 



-f-0'05 



210 



0-06 



—0-03 



4-0-05 



215 



0-06 



— 0-03 



+ 0-05 



220 



0-06 



—0-04 



+ 0-04 



225 



0-13 



-0-09 



+ 0-09 



230 



0-21 



-0-16 



+ 0-13 



235 



0-49 



—0-40 



+ 0*28 



240 



0-49 



-0-42 



+0-21 



245 



0*68 



— 0-61 



+ 0-28 



250 



0-68 



— 0-64 



+ 0-23 



255 



0-77 



— 0-74 



+ 0-20 



260 



0-84 



— 0-83 



+ 0-14 



265 



0-68 



-0-61 



+ 0*06 



270 



0-65 



-0-65 



0-00 



275 



0-46 



— 0-45 



— 0-04 



280 



0*59 



-0-58 



-0-10 



285 



0-38 



—0-37 



— 0-10 



290 



0-23 



— 0-19 



-0-08 



295 



0-08 



-0-07 



-0-04 



300 



0-14 



-0-12 



-0-07 



305 



0-07 



-0-06 



-0-04 



310 



0-12 



-0-09 



-0-08 



315 



0-12 



-0-08 



-0-08 



320 



0-07 



-0-04 



-0-05 



325 



0-07 



-0-04 



-0-06 



330 



0-06 



-0-03 



—0-05 



335 



0-11 



-0-04 



-0-10 



340 



0-02 



0*00 



-0-02 



T=+l-99 



X=-7-48 T=-0-91 



