CATALOGUE. PHACTICAL ASTRONOMY, GEOORAPHT. 



367 



Morse's American geography. 8. 



Jfo/jno's natural history of Chili. Germ. 8. 



Leips. 1786. 

 *Rennel on the Ganges and Burrampooter. 



Ph. tr. 1781. 87. 

 Rennelonthe geography of northern Africa, 



J^ich. II. 253. 

 Cassini and Maskelyne on the situation of 



Greenwich and Paris. Ph.tr. 1787. 151. 



Maskelyne makes the latitude of Paris 48" 50' 14", of 

 Greenwich 51° 23' 40", the difference of longitude g' 20". 



Cassini on the junction of Paris and Green- 

 wich. A. P. 1788. 706. 



Legendre questions the accuracy of some of Roy's calcu- 

 lations. 

 Observations faites dans les Pyrenees. 2 v. 



Paris, 1789. 

 Marsden's history of Sumatra. 

 Trailer Hcihen der berge des cantons Bern. 



8. Bern, 1790. R. S. 

 Mitterpachter Physii<alische erdbeschrei- 



bung. 8. Vienna, 1790. 

 Reboul on heights in the Pyrenees. Ann. 



Ch. XIII. 225. 

 Briihl on the longitude of Paris and Green- 

 wich. N. A. Petr. 1791. IX. 363. 

 Makes it -J' in time different from Maskelyne's determina- 

 tion. 



Otto Naturgeschichte des meeres. 2 v. 

 Berl. 1792, 1794. 



Plants handbuch einer erdbeschreibung.. 8. 

 Leipz. 1793. 



Bugge on the geography of Denmark. 

 Ph. tr. 1794. 143. 



Whitelaw on ascertaining the areas of coun- 

 tries. Ir. tr. VI. 65. 



Swan on the lakes of America. Nich.II. 315. 



Humboldc's letters from South America. 

 Journ.Phys.XLIX. Ph. M. XV[. XVIII. 



Zach Geoi^raphische Ephemcriden. 



Ellicott ou the western parts of Pensylvania. 

 Nich. III. 539. 



On the isthmus of Suez. Zach Ephem. II. 97. 

 Small maps of the Mediterranean, and of 



the Red Sea. Zach Epheni. II. 392, 505. 

 Gu6rin on heights in the Alps. Journ. Phys. 



LIII. 290. 

 Smith's English Atlas. 1801. 

 *Pinkerton's geography 2 v. 4. Lond. 1802. 

 Heights of mountains. Button's Recreations. 



IV. 166. 



A table from Zach's journal. 

 Area and population of England. Ph. M. 



XIX. 197. 



From Smith. England and Wales contain 37 33* 400 

 acres, 8 873 coo inhabitants. Scotland has i 6oo ooo, and 

 Ireland about 4 2 50 000 inhabitants. England and Wales 

 have 152 inhabitants for each square mile, Scotland 55, 

 and Ireland 146. 



England contains about 73 J millions of acres: itsrentsare 

 rated at about 29 millions, but are, in reality, about 50. 

 The stock on the land is estimated at 145 millions, the 

 money in the country 50 ; the shipping igo; merchandise 

 and manufactures SO ; of the land 13 millions of acres are 

 inclosed, ii arable ; 6J waste in England, ii in Wales, I4i 

 in Scotland. For eight millions of inhabitants, the country 

 produces 1 1 ounces of wheat and 7j of meat per day. 

 Luckombe in 1793. 



Table of Heights. 



Measured by Deluc, Shuckburgh,Roy, Bon- 

 guer, and others. In English feet, from 

 the level of tiie sea. 



The Caspian Sea, lower by 

 The Thames at Hampton, Roy 

 The Tiber at Rome 

 The Seine at Paris, mean height 



- 306 

 14i 

 33 

 36', 



The Thames, at Buckingham Stairs, isi feet be- 

 low the pavement in the left hand arcade - 43 



By barometrical comparison with the Seine and 

 the Mediterranean, but this height is probably 

 too great. Roy supposes the low water of the' 

 spring tides at Isleworth to be only one foot above 

 the mean surface of the ocean. He allows 7 feet 

 for the difference of the low water at the Nore and 

 and at Isleworth, taking 1 9 feet for the height of the 

 spring tide, adds one th rl of this for ihe mean 

 height of the sea. At Hamiton the Thames is 13^ 

 feet above low water mark at Islewo th. 



