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CHUONOLOGICAI. LIST OF VOYAGES. 



[aPP. N° III. 



By these formulae the following table of the mean monthly 

 temperature of the Greenland Sea, latitude 78°, was calculated. 



By the application of these formulae, the approximate change 

 of temperature through the course of the year, in London, in 

 Stockholm, and in the Spitzbergen Sea, having been calculated, 

 the curve described by the monthly diiferences in each place is 

 laid down in Plate II. fig. 3. together with the irregular curve, 

 (the dotted lines), representing the progressive changes of tem- 

 perature by observation. 



No. III. a. 

 Chronological enumeration of voyages undertaken by 



THE different NATIONS OF THE WORLD IN SEARCH OF A 

 NORTHERN COMMUNICATH)N BETWEEN THE ATLANTIC AND 

 PACIFIC OCEANS ; INCLUDING SUCH OTHER VOYAGES AS 

 HAVE BEEN CONDUCIVE TO THE ADVANCEMENT OF DISCO- 

 VERY IN THE NORTH. 



ABBREVIATIONS. 



Da. Danish. 

 Du. Dutch. 

 E. EngUsh. 



A. D. 



F. French. 

 Ic. Icelandic. 

 iV. Norwegian. 



P. Portugueze. 

 R. Russian. 

 Sp. Spanish. 



Sw. Swedish., 

 V. Venetian. 

 TV. Welch. 



8G1, N. Iceland accidentally discovered by one Naddodd, a 

 Scandinavian pirate, and called by him Schneeland 

 or Snoidand. 



864, Sxo. Iceland visited by a Swede of the name of Gardar 

 Suaffarson, who wintered there. 



865 Sw. This island was visited again by one Flocke, who na- 

 to 870, med it Iceland. 



874, N. Iceland visited by Ingolf and Lief, who formed a set- 

 tlement there about four vears afterwards. 



