410 



INCIDENTS OF 



T U A V E L. 



Chains. Elevation in Eng. feet. 



986.06 , - 107.643 



992.93 - 119.176 



1001.03 108.576 



1006.65 118.592 



1014.28 108.692 



1033.51 124.808 



1036.44 126.663 



1043.06 141.416 



1047.39 157.583 



1062.87 118.042 



1068.43 *. 131.942 



1077.69 120.584 



1083.96 125.784 



1100.19 135.709 



1113.35 152.176 



1128.97 127.201 



1133.79 163.27G 



1140.94 129.776 



1145.18 151.401 



1156.44 129.335 



1176.61 140.835 



1190.87 129.396 



1193.77 132.801 



1203.21 128.093 



1210.14 140.985 



1223.50 128.243 



The result of the whole is as follows : The length from the Pacific to the 

 Lake of Nicaragua is 28,365§ yards, or 15§ miles. 



Feet. in. dec 



The sum of the ascents is 1047 5.45 



The sum of the descents is 919 2.4 



The difference is the height of the lake above the Pacific 



Ocean at low water 128 3.05 



We now come to the communication with the At- 

 lantic by means of the Lake of Nicaragua and the 

 River San Juan. The lake is ninety-five miles long, in 

 its broadest psurt about thirty, and averages, according 



