178 Review. 



rest, four and a half miles east of the river Missisippi, 

 in north latitude 31° 28'and longitude 91° 30 ; west 

 of Greenwich, on an eminence about 150 feet higher 

 than the level of the highest waters of the annual in- 

 undation of the Missisippi ; beginning on the first 

 day of February, 1799, and ending the thirty-first of 

 January, 1800, inclusive. 



3. Description of a singular Phenomenon seen at 

 Baton Rouge, by William Dunbar, Esq. Commu- 

 nicated by Thomas Jefferson. 



4. A short and easy rule for finding the equation 

 for the change of the sun's declination, when equal 

 altitudes are used to regulate a clock, or other time- 

 keeper. Communicated by Andrew Ellicott, Esq. 



5. Account of an extraordinary flight of Meteors 

 (commonly called shooting-stars). Communicated 

 by Andrew Ellicott, Esq., as extracted from his Jour- 

 nal in a voyage from New- Orleans to Philadelphia. 



6. Improved method of projecting and measuring 

 Plane Angles, by Mr. Robert Patterson. Commu- 

 nicated by Mr. Andrew Ellicott. 



7. Sur la Theorie dcs Vents. Par M. Dupont dc 

 Nemours. 



8. Extracts from a letter from William Dunbar, 

 Esq., of the Natchez, to Thomas Jefferson, &c. 



