WiNTimop's Barometrical OlscrvaUons. 129 



fifty feet higher than a spring, that sends its waters easterly 

 into the White river; which falls into the Connecticut, 

 about five miles below Dartmouth College, between Nor- 

 wich and Hartford. Westerly this spring, by means of the 

 Onion river, communicates with Lake Champlain. • 



August 7th, at ten in the morning, on the beach at Bur- 

 hngton bay on the east side of the lake, Lat. 44° 15' N. 

 about seventy miles southerly from St. John's, and thirty 

 six northerly from Crown Point, barometer 29. 6. 



August 8th, at Ih. 30'. p. m. on the banks of the Onion 

 river, about thirteen miles westerly from Williamston, thir- 

 ty seven easterly from Burlington bay, and forty three from 

 the mouth of the river, barometer 29. 4. 



The difference between the mean height of the barometer 

 at Cambridge^ and at each of the places^ which have been 

 mentioned, is set down in the following table, with the cor- 

 responding altitndes above the level of the sea^ as taken from 

 Martin's Fldlompliia Briiannica. Vol, 2. p. 134, 



inclies. feet above the sea. 



0.30 209 



1. 85 1666 



Connecticut river at the foot ] 



of Ascutney 

 Top of Ascutney ' 2. 25 2031 



Williamston 

 Onion river, 37 miles from the^ 



nearest part of the lake, and J- 0. 55 514 



43 miles from its mouth. 

 Burlington bay ' 0. 35 342 



Cambridge above the sea 0. 05 42. 5 



R Weathersfield, 



