BOOK III. CHAP. VII. 6ir 



ifland; but at the Windward Iflands, more ufually with gales of 

 wind. 



9. The firfl: appearance or dawn of day is an arch of light, 

 which gradually dilates. From the firft radius of light, to fun-rife, 

 is about an hour and an halL 



10. The crepujculum before the moon's rifing is about half an 

 hour. 



1 1. In January, upon a fufpenlion of the North wind for about 

 a week, the fea-breeze blew with great violence, fetting in at ten or 

 eleven in the forenoon, and continuing till late in the evening. Wl:ien 

 the fea-breeze blows at this time of the year, it fets in at lead two 

 or three hours later than in the hot months, the fun being far to the 

 Southward, and not rarefying the atmofphere near the Northern 

 Tropic fufficiently to excite the current fo early as in thofe months. 



1 2. February 2. A heavy rain from the South-weft this day, 

 was fucceeded on the day following by a {Irong North, The wind 

 in (Lifting round from South to North, probably occafioned this 

 fall of rain. 



13. Showers in this month, although they caufe the grafs of the 

 South fide, low-land paftures, to fprout a little, yet being generally 

 followed by a North, the impreflion of this drying wind checks it 

 again immediately. 



14. During this month, the land-wind feems unufually briflc in 

 the morning, being flrengthcned probably by a gentle North. 



15. Feb. The Norths and fea-breezes are obferved frequently to 

 blow alternately J and upon a change from North-eafI: to South-eafl, 

 drizzling rains or fmall fliowers commonly fall. 



16. The variation of the thermometer was greater in this month 

 than in any other, amounting in fome years to eighteen degrees. 

 Whence it may be concluded, that warmer cloathing is now re- 

 quired, to guard the body againfl any ill effect from fuch changes. 



1 7. On moving the thermometer the 1 7th of this month at fix 

 in the morning, from the apartment where it ufually liung, inta 

 another, lefs frequented and more expofed to the air, it funk four 

 degrees. 



18. On taking oft a mahogany cap which covered the bulb, the 

 fpirit funk inflantly five degrees. By letting it remain all night 



4 I 2 uncovered. 



