260 



gan. Le l6. il repasse au NO puls varle ä l'O et va s'eteln- 



1827 lT iT-Mars a la baJe des Isles par 35°S et 17l°E le vent 

 assez fort au NNO et NO varic ensuite au OSO et SO puis 

 s'aeint au S, SE et SSE. 

 ,S27. (Oppos6) Le Sl.Mars par SS^S et 177° Ele vent soum^e 

 avec fureur au N, varle successivement au NE, E, SL, b&U 

 et SO toujours assez fort mals «'eteint au SO. 

 VoJla sur dlx hult cas blen prononces deux seulement, qui pa- 

 raJssent en Opposition avec la loi de transition du N au S par 

 rO et du S au N par l'E. Ma memoire me rappelle aussi tres 

 blen, que toutes les fois, que nous avions des vents violens du 

 NO au SO, nous attendions a les voir tomber, quand une fois 

 Ils s'approchaient du S. 

 King and^Fitzroy, SUdküste von Chile (Narrative « tbe survey 

 ing voyages of Adventure and Beagle. App. to vol.H). With 

 northerly and NW-Winds the sky is overcast, the weatber un- 

 settled, damp and disagreable. These winds "« f 1-^1 ^^ 

 panied by clouds and usually by thick ra.ny weather. From the 

 NW the'vind in general shifts to.the South-West and thence 

 to the Southward. Sometimes it Hies round in a violent squall, 

 accompanied by rain, thunder and lightning. At «ther t.mes .t 

 draws gradually round. Directly the wind >s southward of west, 

 the clouds begin to disperse, and as a steady southerly wmd ap- 

 proaches, the'sky becomes clear and the weather health.ly plea- 



'"Xhis xs the general order of change. When the wind shifts 

 against this order or balUs round, bad weather wUh strong wmd 



Kl^7tsIustLlo.s fer Terra del Fuego). From the north 

 :he wind Lays begins to blow moderately, but wUh th.cker 

 weather and more clouds then from the eastward; and U s ge- 

 nerali accompanied by small rain. Increasmg xn strength, xt 

 Iws'to the Jestward gradually, and blows hardest between N 

 and NW with heaw clouds, thick weather and xnuch ra.n. 

 When the fury of the north-wester is expended wh.ch varies 

 from 12 to 50 hours, or even while it is blowmg hard, the wind 



