vi CONTENTS. 



11. An Account of a Nimler of Medicinal Springs at 



Pagt. 



Saratoga, in the State of New-Yorh By Br. Samuel 

 Tennt. 



III. Conjectures of the Natural Causes of the North West 

 Winds Mng Voider, and more frequent in the Winter in 



Neiv-England, than in the same Degrees of Latitude in 



Europe. By S.i.MUEL Hale, Esq. of Portsmouth 



F. A. A. 



IV. An Account of Frogs found in the Earth \ in a Letter 

 to the Rev. Nehemiah Williams. By Major Sa^iuel 

 Hitchcock. 



V. An Estimate of the Real and Cold of the America 



M- 



Atmosphere leyond the European, in the same Parallel of 

 LatUude: To lohich are added, some Thoughts on the 



Causes of this Excess. By Edward A. Holyoke 



M. D. F. A. A. 



^'^ 



VI. A Table of Results, from a Course of Ohsen^aiions made 



the Heat of the Atmosphere hy Fahrenheit 



Ther 



der, in the years 1786, 1787, 1788, 1789, 1790, 1791, 



and 1792, at Salem in Massachusetts. By Edward' 

 A. Holyoke^ m. d. 



F. A. A. 



yi. A Letter on the Retreat of SwaHozvs in Winter. M 

 the Rev, Mr. Packard. 



Vm A Letter on the Retreat of Swallows, and the To^ 



Pid State of certain Animals, in Winter. F 



feEVERYN J. BrUYN, Esq. 



IX. A Practical Essay on Raisi^^ Apple Trees, and Mak 

 2 ^'^- ^. Mr. A. CROCKER, ./ SoLrset, Eng 



43 



61 



63 



6 



89 



93 



96 



X. Meteorological 



100 



Hk 



.-.L 



/. 



