1855.] A Twenty-fourth Memoir on {he Law of Storms. 405 



4 a. m. Bar. 29.63 ; Symp. 29.45 ; Aneroid 29.56 ; Ther. 87° . Squally 

 dark appearance from N. W. to S. E. by the North with heavy increasing 

 swell from N. Eastward, thunder and lightning. Eigged in the jibboom 

 and housed the fore-topmast. Wind very light and variable. Reduced 

 our speed to about 4| knots, to avoid running into bad weather, which I felt 

 sure existed to the Northward.* 



5 a.m. Bar. 29.63 ; Symp. 29.50 ; Aneroid 29.57 ; Ther. 88° . Shortly 

 after 4, a light breeze sprung up from S. W. which lasted for about an 

 hour. Wind now very light and variable. A heavy bank forming to the 

 Northward. Lightning very low, but not very vivid. Swell very heavy and 

 increasing from N Eastward. Engines going very slow. Steering N. E. 



6.30 a. m. Bar. 29.65 ; Symp. 29.45 ; Aneroid 29. 58 ; Ther. 84° . Wind 

 light from Northward, detached clouds overhead with no apparent motion. 

 Heavy appearance all round the horizon particularly to the Southward. 

 A very heavy sluggish swell from N. E. Steering E. N. E. and going 

 quite slow. 



8 a. m. Bar. 29.69 ; Symp. 29.57 ; Aneroid 29.66 ; Ther. 84° . Light 

 N. Easterly airs. Swell still from N. E., if any thing, decreasing, sky 

 more uniformly dark, but not looking so threatening. Steering N. E. 



9.30 a. m. Bar. 29.74 ; Symp. 29.60 ; Aneroid 29.63 ; Ther. 85°. Mo- 

 derate wind from S. Westward. Clouds appear more broken. N. Easterly 

 swell very high, and toppling over to the Northward. Went on again 

 full speed. Steering N. E. Saw a Paria sloop to the N. Westward, 

 standing to the Eastward under all sail. 



10.30 a. m. Bar. 29.70 ; Symp. 29.58 ; Aneroid 29.63 ; Ther. 85°. Mo- 

 derate S. Westerly winds with detached clouds, weather altogether ap- 

 pearing much finer. N. Easterly swell still very heavy, but regular ; ship 

 •diving deeply at times. Wind rather inclining to the Southward. 



Noon. Bar. 29.65 ; Symp. 29.50 ; Aneroid 2.9.57 ,- Ther. 87°. Mo- 

 derate S. Westerly wind and much clearer weather. Very heavy N. 

 Easterly swell toppling over to the Northward. Sun visible at times 

 Lat. 17° 46' N. ; Long. Acct. 84° 48' E. The ship pitching heavily. 



3.30 p. m. Bar. 29.63 ; Symp. 29.45 ; Aneroid 29.55 ; Ther. 86°. Since 

 1 p. m. moderate Westerly breeze and cloudy thick weather. Heavy 

 swell from N. E. not so regular, light rain. 



7 p. m, squall of rain from N. West with lightning. 

 7-30 p. m. ditto ditto ditto. 



8 p. m. Bar. 29.65 ; Symp. 29,50 ; Aneroid 29.63 j Ther. 87°. Dark 

 clouds passing over from N. W. Dark threatening appearance to the S. 



* Italics are mine. — H. P. 



3g2 



