146 



PHYSICAL GEOGRAPHY. 



NOTES AND ABBREVIATIONS USED IN TABLES. 



b. Also called Tamworth. 



c. This series is composed of observations at Great Falls, by H. E. Sawyer, and at 

 Salmon Falls, about two miles south-east of Great Falls, by G. B. Sawyer. 



d. Observations from January, 1835, to December, 1837, probably included in pre- 

 ceding series. 



e. This series is composed of observations at Littleton, by R. C. Whiting, and at 

 North Littleton, about one mile north of Littleton, by R. Smith. 



f. The observing hours were r., 2a. The observations were corrected for daily 

 variation by means of the general table. 



g. Also called Barnstead. 



h. Observations corrected for daily variation by means of the general table. 



9 bis. indicates that the 9 o'clock observation is used twice. 



The abbreviations, used in the last column headed "References," are principally 

 the following : 



Am. Aim. denotes the American Almanac, Boston. 



P. O., S. I., Vol. I denotes the results of the meteorological observations made 

 under the direction of the Patent Office and the Smithsonian Institution, Washington, 

 1861. 



S. O. denotes the manuscripts by the observers of the Smithsonian Institution. 



S. Coll. denotes manuscripts collected at different times by the Institution. 



Fig. 19. Mt. Moriah in Gorham. 



