1841.] Fourth Memoir on the Law of Storms in India. 897 



This is an additional reason, when ships are in the proper quarter of the 

 storm circle, for heaving to, rather than scudding. 



Report of the Ship Thetis of London reduced to Civil time. 



In compliance with your letter received this morning, I forward you 



the particulars of a gale of wind encountered in the China Sea in 



September, 1840. 



\9th September. — Light Southerly winds, with hot sultry weather 



f Thermometer, 86^° 



I Barometer, 29. 94 



I Lat. by Observation, 14° 94' N. 



LLong. Chron 113° 39' E. 



Calm during the night. 



20th September. — South Easterly airs towards morning, noon calm 



and sultry. 



f Thermometer, 87° 



J Barometer, 29. 90 



I Lat. observation, 14° 53' N. 



LLong. Chron 114° 9' E. 



p. M.— Light NW. winds, with gloomy sky and close weather, 



midnight close weather. 



2\st September — Noon rain and thunder, with squally weather, 



wind NW. 



f Lat. Observation, ... 15° 57' N, 



I Longitude, Chron.... 115° 9' E. 



I Thermometer, 84° 



iBarometer, 29. 87 



Sympiesometer very unsteady from 29. to 29.30 during these 24 

 hours. 



p. M. — Wind at NW. with squalls and lightning in the NW^ 

 8. p. M. — Finer weather, midnight squally. Barometer falling gra- 

 dually, wind very unsteady between W. and NW. large drops of rain. 



22nd September. — Daylight strong breeze at WNW., heavy sea 



from NE.y sent down the top gallant yards and masts, and otherwise 



made snug ; the sky very wild and threatening. Noon, glass still falling ; 



sea rising higher from the northward, and the wind increasing at NNW. 



Furled the top- sails and lay to under try-sails. 



