1854.] A Twenty-third Memoir on tlie Law of Storms. 527 



Abridged Log of H. M. S. Fox, Commodore Gr. LambeUt, lying at 



Diamond Harbour. — Civil Time. 



22nd Oct. — A. M. overcast, showery and gloomy. Wind Easterly (3).* 

 8 A. M. (2) the same weather, Bar. corrected 29.805 ; Noon 29.715 ; Ther. 

 70°. p. M. wind easterly (6) weather as before ; 5 p.m. Bar. 29.685 ; Ther. 

 80°; 6 p. m. wind S. easterly (7) ; 8 p. m. east (9). Overcast, squally, rain, 

 and thunder and lightning ; midnight the same force (10) j Bar. 29.585 ; 

 Ther. 79°. 



23rd Oct. — a. M. rain, squally and thick weather. Wind E. S. E. ; force 

 (10) to (11) and (10) again at 4 a. m. Bar. at lh. a. m. 29.555 ; at 2h. 

 29.535; at 3h. 29.485; at 4h. 455 ; 2 a.m. down top gallant masts, and 

 at 7 A. M. pointed yards to the wind, ugly weather ; veered to 80 fs. cable. 

 At 8 a. m. wind N. E. (10) Bar. 29.385; at 9h. 29.375; at 10b. 29.375; 

 at lib. 29.435; at Noon 29.455; Ther. 7$°; at 10 a. m. wind North 

 (10) ; Noon N. N. W. (10) ; p. m. N. W. b. N. (9). Overcast, misty, gloomy, 

 and rain ; at 4h. N. W. b. N. (8) ; at 6, N. W. b. N. (6). Bar. at 2 p. m. 

 29.505 ; at 4h. 29.555; at 6h. 29.635; at 8h. 29.655 ; at midnight 29.705. 

 Clear and cloudy. 

 The following are my own observations at Calcutta, the Barometer 



being corrected to that of the Surveyor General' s Office but with 



no correction for Temperature, Sfc. 



Wednesday, 22nd Oct. 1851. — For the last two days weather suspicious 

 with light drizzling showers ; heavy overcast sky, breaking at times into 

 clear blue spaces, varied by cirri and cirro-strati 



2\st Oct. — Wind in light squalls and puffs from N. to N. E. scud from 

 East and N. East. 



22nd Oct. — At 61 a. M. light squally breezes and puffs N. to N. N. E. 

 and N. N. W. Scud thick and frequent, and a low smoky scud below all 

 from the N. East, driving moderately, but not very fast, Bar. 29.859 ; Symp. 

 29.95; Ther. 79°. Scud at times from the S. E. and arched squalls, with 

 very little wind in them, from the Eastward. 



9 a. m. Bar. 29.959; Symp. 30.00; Ther. 79°. Calm. Heavy banks 

 to S. E. and South. 



5 p. M. squally breeze from N. East with light rain. Sky overcast, low 

 smoky scud, travelling rather rapidly from N. E. ; heavy rain. Bar. 29.829 ; 

 Symp. 29.90 ; 6h.l0' p. m. the same as at 5 p. M. ; 7h. p. m. Bar. 29.819 ; 

 Symp. 29.91. Ther. 79°. 



23rd Oct.— 6 a. m. Bar. 29.719; Symp. 29.83; Ther. 78?°. Blowing a 

 fresh steady gale from E. N. E. to N. E. with continued rain during the 

 night, wind and rain gradually increasing. Scud from E. b. S. and E. S. E. 

 I p. ; 8 a. m. gale force (8—9) E, N. E. to E. b. N. strong squalls and rain. 

 Scud from about East. 



* Force by Admiral Beaufort's scale. The Barometer is corrected by a careful 

 comparison with the standard giving — 0.015 as the correction. 



