than in winter. 
Observations of the United States Signal Service. 
16 
The average course of these storms while 
traveling eastward to the parallel of 40° was E. 383° N. rang- 
The average hourly velocity in this part 
ing from 17° to 60°. 
of their course is 20°5 miles, which is almost exactly the aver- 
age velocity of storms in the United States for the months of 
ugust and September according to the Signal Service obser- 
vations. 
Course of Hurricanes originating near the West India Islands. 
sh Bigs N af 
: E —— ae ES Course Be = 8 
ATE OF Al while [28/0 while | §| Rain-|% 
Sromu. 3°) moving |S - 3 2! moving 3 a fall. |S Where Recorded. 
sao Westward ‘hai Ss Eastward. Ss Ms 
- als € | E 5 
1780, Oct. 3.|16°5° H. 615° N. ‘ain. \R \Law of Sts., p. 273. 
1780. Oct. 12.}11°8 |W. 31° N.} 17-8/23-3°|K. 39°5 N.| 17-2 Rain. |R |Law of Sts., p. 273. 
1804. Sept. 3.)15°7 |W. 30 N. | 20-4/31-2 |B. 46 N. | 18°1/Rarn. (WJ. S., v. 20, p. 17. 
1821. Sept. 1.}21-7 |W. 27 N. | 35-0/31-2 |B. 55 N. | 25-0'Rain. |WiJ.S., v. 20, p. 17. 
1827. Aug. 17.|14:8 |W. 29 N. | 12-9/30°0 |B. 43 N. | 10-0Raim. |WIJ. S., v. 31, p. 123. 
1830. Aug. 12.\17°3 |W. 23-5 N.| 23°8/31-4 (E. 37 N. |16°3/Ram. (WJ. S,, v. 20, p. 34. 
1830. Aug. 22.)22°3 |W. 27 N. | 18-7/30°3 [E. 40 N. | 160!Rain. |WiJ.S,, v. 20, p. 39. 
1830. Sept. 29.|20-2 |W. 33-5 N.| 26-4/30°4 |B. 43 N. | 29°6! WiJ.8., v. 20, p. 42. 
1831, 13.|30°0 30°0 |B. 53°5 N,| 16°6 Snow. |W/U.S. N. Mag. 1836, 
1831. June 23./10°3 |W. 14-5 N.) 20-4 jWiJ.S., v. 31, p. 123. 
1831, Aug. 10./12°3 |W. 25-5 N.! 16°6/30°7 Rain. |WiJ. 8., v. 21, p. 192. 
1835, Aug. 12./16-3 |W. 17 N. | 17-8 Rain. [W/J.S.. v. 31, p. 124. 
1835. Sept. 3.)12-4 |W. 38 N. Rain. |R \Law of Sts., p. 36, 
1837. July 26./11-0 |W. 29 N. 30-0 Rain. |B |Law of Sts., p. 48, 
1837. Aug. 2./17°3 |W. 31-5. N. Rain. |R Law of Sts., p. 48. 
1837, Aug. 12.;17-6 |W. 20 N. 31°7 |E. 245 N. /Rain. )R ‘Law of Sts., p. 69. 
1837, Aug. 24./32-7 E.47.N. | 175 Rain, |R \Law of Sts., p. 109. 
1837. Sept. 27.|15°7 |W. 24. N. | 9-3/26-2 |B. 17°56 N.| 13°4\Rain. [R |Progress, p. 13 
1839. Sept. 12./18-5 |W. 26 N. 2 Rain. \R \Progress, p. 39. 
1842. Aug. 30./21°6 |W. 1N. | 10-0 Rain. |WiJ. 8., v. 1, p. 2. 
1842, Oct. 2./20-0 E.18N. | 10°6 Rain. |WiJ.8., v. 1, p. 153. 
1844. Oct. 4./18-6 E. 54.N. | 30°4'Rain. |W)J.8., v. 2, p. 312. 
1846, Sept. 11,|13-3 |W. 62 N. | 10-3/29°2 |E. 47 N. | 14:3\Rain. |W)J.S,, v. 18, ¢ 
1846. Oct. 6.|14-2 |W. 60 N. 30°0 |E. 60°5 Nj 23°65 Rain. [WIJ.S., v. 18, 
1847. Oct. 10.)12-8 }W. 115 S| 21-2 (Rain. |R |Progress, 
1848, Aug. 22./15-0 |W. 28-5 N. 27-4 |H. 22 N. R | Progress, p. 33. 
1848. Aug. 29./15-0 |W. 22 N: 29°0 /E. 24 N. Rain. \M|Phys. Geog., p. 60. 
1850, Sept. 2./16-0 |W. 5 N. 13°8 Wid. 8., v- 18, p. 176. 
1851. Aug. 16,/13°5 |W. 15 N. | 17-5/97-3 |B. 34.N. |18-7/Rain. |WIJ.S,, v. 18, 
1853. Aug. 30./19°5 |W.12°5 N.| 26-3131-1 |E. 24-5 N.| 28-4(Ratw. [W(J. 8, v. 18, p. 1. 
1853. Sept. 26./28-8 29°2 |E. 27 N. Rar. |W)J. 8., v. 18, p. 180. 
1853. Sept. 29./13-9 |W. 9 N Rain. |W\J.8., v. 18, p. 178. 
1866. Oct. 1./19-0 |W. 15 N. | 15-0/26-4 |B. 25 N. | 30°0/Rain. |B |Han. Book, p. 151 
1867. Oct. 29./18°5 |W. 28. Ram. |E }Pamphiet. 
1871. June 1,/23-5 |W. 14 N. | 12-3/31°5 [B. 45 N. | 23°5|Rain. |S |Rep. 1872, p. 282. 
1871. Sept. 5. 38 N. | 15°0/Rain. |S (Rep. 1874. Ma 
1873. Aug. 18,/20-0 |W. 32 N. 12°3/33°0 |E. 37 N. | 18°4/Rain. |S |Rep. 1873, p. 1029, 
1873. Aug. 20./25-0 |W. 51 N. | 10-5(34:3 |B. 41 N. | 16-4|Ram. |T |Met. Soc.,¥.2, p.16. 
1873. Oct. 6121-3 |W. 28 N. | 9-5/24-3 |B. 45 N. | 30°1|Rain. |S |Montbly Map, 73 
1874. Feb. 7./24-0 5 18.45 N. | 23°5|Rain. |S |Rep. 1874. 
1875, 23°0 |W. 22 N. | 26-1/28°5 {E. 24 N. (29°6|Zain. [8 |Monthly Map. 
