CONTENTS. 



On the Impropriety of assigning new Meanings to the esta- 

 blished Marks used in Science : and en olserxnng the Di- 

 rections and Dips of Strata ., 356 



On the Solar Eclipse which is said to have been predicted by 



Thalks .. 357 



On the Error discovered in the Nautical Almanac 376, 386 



Some Account of the different Theories of Arches or Vaults , 



and of Domes, and of the Authors rvho have ivrilteji on 



this most delicate and important Application of Mathe- 



miatical Science 387,409 



Some Speculations on the Analogy between Man and the 



Brute Creation 401 



On the Causes which influence the Direction of the Growth 



of Roots 420 



Specimen of a?! Indian Calendar, extracted from Professor 



Barton's " Elements of Botany," 427 



An Account of a vegetable IVax from Brazil . . 429 



Theorems for calculating the Temperaments of such regular 



Douzeaves as are commensurahle, or defined by a certain 



Number of equal Parts, into which the Octave is divided 



434 



The OHgiiiality of Daniel's Life-Preserver disputed 436 



Remarkable Disease rf the Lungs and Kidneys .. 438 



Experiments to ascertain the State in which Spirit exists in 



fermented Liquors-] with a Table exhibiting the relative 



Proportion of pure Alcohol contained in several Kinds of 



Wins and some other Liqziors 441 



Chemical Analysis of the Green Shell of the Walnut 447 



Notices respecting New Books 6y, 39I, 453 



Proceedings of Learned Societies . . . . 77, 306, 394, 464 

 Intelligence and Miscellaneous Articles 77, 158,226,307, 



395, 465 



List of Patents I60, 235, 3 1 5, 396 



Mettorological Talk . . 80, 239, 240, 320, 400, 473 



THE 



