Vill. 
Al Meteorological Journal from the Year 1786 to the Year 1829, 
inclusive, 
BY EDWARD A. HOLYOKE, M. D., A. A. S. 
With a Prefatory Memoir 
BY ENOCH HALE, M. D.,- A. A. S. 
Tue meteorological journal of Dr. Holyoke furnishes a series 
of observations, made with great care, and continued for a longer 
period of time by the same individual, than any other of which 
we have knowledge. It begins with the year 1786, and con- 
tinues with entire regularity, and with only a few occasional omis- 
sions of a part of a day, to the end of 1821, a period of thirty-six 
years. From the fulness and accuracy of the journal from its 
commencement, it is manifest that the subject had engaged his 
attention for some time before; but I do not find that he has 
left any record of previous observations, except a few notices of 
remarkable phenomena. After 1821, Dr. Holyoke continued 
his observations in a less regular manner to the time of his 
death in 1829; but the greater part of them are not sufficiently 
complete for publication. 
The manuscript journal for the thirty-six years has been 
presented to the Academy by the family of Dr. Holyoke. It is in 
