16 Seventeenth Memoir on the Law of Storms. [Jan, 



Abridged Log of H. M. S. V. Driver. — Civil Time* 



Noon 6th Oct. 1845, in Lat. 18° 24' N. ; Long. 127° 30'. Steering to the 

 E. b. S. with afresh breeze (5)* from the E. N. E. ; Bar. 29.80 ; p. m. a heavy- 

 swell from the eastward, blue sky, cloudy and squally; 6 p. m. Bar. 29.75; at 

 midnight wind N. E. (10) blowing a gale, vessel steaming to the E. S. E. 



7th October. — a. m. Steamer hove too with head to the eastward.f Wind N 

 E. (12) 2 a. m. hurricane ; Bar. 29.30 ; at 5 wind east (11) Bar. 29.25 ; at 9 

 S. E. Noon wind S. E. (11) Lat. 17° 22' N. ; Long. 127° 24' East; Bar. 

 29.50. Heavy sea running throughout ; 4 p. m. to midnight S. E. (10 to 9). 



8th October, — a. m. to noon wind S. E, (8) and a heavy sea; noon the same ; 

 Lat. 18° 18' N. ; Long. 126° 19' East. At night moderate and fine ; Barome- 

 ter 29.90. 



Extract from the Log of the Ship John O' Gaunt — reduced to Civil 



Time. 



7th October, 1845.— Noon in Lat. 18° 40'; Long. 116° 15' East; Bar. 

 29.65; wind E. N. E. and steady; at 11 p. m. wind N. N. East, heavy squalls. 



8th October. — 5. a. m. heavy gale, north. 10 a. m. the same, N. N. W. and 

 tremendous sea ; noon, Lat. D. R. 19° 3'; Long. 117° 8'; Bar. not quoted, 

 p. m. hove too ; wind N. N. W. 



9th Oct. — a. m. Bar. 29.00. 5 a. m. wind west ; head N. N. W. ; Bar. falling ; 

 no position given. 1 p. m. wind shifted to southward and eastward, blowing 

 with extreme violence ; midnight gale unabated ; Bar. 27.50, Simpiesometer 27.70. 



10th October. — Noon heavy gale at E. S. E. ; Barometer rising ; Lat. 20° 53* 

 N.; Long. 116° 15' east. 



Extract from the Log of the Ship Sir Robert Sale. Civil Time. 



8th October, 1845.— At noon Lat. 14° 06' N.; Long. 114° 15' east. p. m. 

 wind N. W. 



9th Oct. — Wind N. westerly and variable; Bar. noon 29.55 ; Lat. D. R. 15° 

 lO'N.; Long. 116 o 06'; p. m. shortened sail to close-reefed topsails. To 4 

 wind N. N. W. cloudy, gusty weather, with a heavy northerly swell ; 5 p.m. 

 west; 8 p. m. W. S. W. ; 10 S. W. ; midnight S. S. W. ; 8 N. E. swell and a 

 heavy westerly swell getting up ; lightning to the S. E. and north. 



* These figures in the logs of H. M. Ships denote the force of the wind as marked 

 according to Admiral Beaufort's table ; 12, signifying a hurricane ; I have added also 

 the usual words. 



f The wroug tack, being on the right hand side of the track of the Cyclone, the 

 starboard tack should have been chosen. 



