CONTENTS. 
A Discourse in Commemoration of John Adams and Thomas 
Jefferson; delivered before the American Academy of 
Arts and Sciences, October 30, 1826. By Joun Tuorn- 
ton KirKianp, Vice-Président of the Academy. 
I. Remarks on Longevity and the Expectation of Life in 
the United States, relating more particularly to the 
State of New Hampshire, with some Comparative 
Views in relation to Foreign Countries. By J. E. 
Worcester, A. A. S. 
Il. 4 Table of the Longitude and Altitude of the Nonagesi- 
mal Degree in 42° 23' 28” of North Latitude (the 
Ellipticity of the Earth being assumed to be ——th, and 
the Obliquity of the Ecliptic 23° 27’ 40”), for every 
Minute of the Right Ascension of the Meridian,— 
With the Corrections of the Table for a Decrease 
of 100” in the Obliquity, and of 1000” in the Geo- 
graphical Latitude. By Ropert T. Paring, A. A. S. 
Ill. Onthe Latitude of Boston. By Rosert T. Pare, 
Ae ALS. 
IV. Tables of the Present Value of a Life-Annuity at any Age, 
according to Dr. Wigglesworth’s Bill of Mortality. 
By J. Incersotit Bowpircu. 
V. Occultations and Eclipses, observed at Dorchester, Mas- 
sachusetts. By W. Crancu Bonn. 
VI. Observations on the Comparative Rates of Marine Chro- 
nometers. By W. Crancu Bonp. 
VII. Remarks and Inquiries concerning the Birds of Massa- 
chusetts. By Tuomas Nurraut, A. A. 8. 
III 
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