vi : CONTENTS. 
; : PAGE 
IX. On the origin and formation of ice islands and their dangerous effects 
in navigation ; pointing cut a certain and easy method of timely fore- 
warning seamen of their approach, even in the darkest night ; by A. 
fothergill, M.D. F.R.S. APS. KC. 69 
X. Lffects of lightning on several persons in the house of Samuel Cary, 
Esq. of Chelsea, August 2,1799 ; in a letter to the Hon. Fohn Davis, 
Esq. Recording Secretary of the American —- of Arts and Sci- 
ences ; by ohn Lathrop, D.D. F.AsA. ‘ ° 82 
XI. Effects of lightning on the house of Capt. Daniel Merry, and several 
other houses in the vicinity, on the evening of the 11th af May 1805 ; 
in a letter to the Hon. Fohn Davis, Esq. Recording Secretary of the 
American geademyof. Aris and Sciences ; by Fohn Lathrop, D.D.FeAsAs 86 
ik ete tm 
RIL. Effects of lightning on the house of the 1 unde] 
in Maine, August 17, 1807 ; in a letter to the Rev. Dr. Eliot ; by . 
the Rev. Silas Moody am. . . ° 92 
XIII. Effects of lightning on the house of Capt. Thomas nie in Ports- 
mouth, New Hampshire; in a letter to the Rev. Dr. Lliot ; by the 
Rev. Timothy Alden, jun. a.m. s.t.8. : : : ° 93 
XIV. Experiments respecting dew, intended to ascertain whether dew is 
the descent of vapour daring the night, or the perspiration of the 
earth, or of plants ; or whether it is not the effect of condensation ; 
by Noah Webster, Esq. FAsA. . . . ° 95 
ev. Silas Moody AvU)L 
XV. Account of rain, &c. that fell in Charlestown, Massachusetts in ten 
years ; by Foseph Barrell, Esq. ° ° ‘ . 104 
XVI. Account of meteorological observations, made in Georgia and Sous 
 Garolina ; by Abiel Holmes, DD. FeAsA. : . . 107 
XVII. Meteorological observations at Grove Plantation, five miles south of 
Natchez ; by Winthrop Sargent, Esq. . . : 113 
XVIII. Abstract of meteorological sidascidiiins, made at SeeRneltingy 
