SERIES B. ZONE 14. LAT. 20° TO 25° N. 



525 



(Nos. 29 to 31.) Northwestern Nubia, Red Sea, and Western Arabia. 

 Observed at the following places, viz. : — 

 Assouam, 

 Selimek, 

 Tomas, 



Biver Nile (lat. 22° to 24°), by Dickinson and Hubbard, from January 27 to February 12, 185T. 

 Med Sea, by Lefeborc, for 29 days in the winter of 1838-9. 

 Jidda, Arabia, by Lefebore, for IS days in April and May, 1839. 



Nubia, and the intervening regions, by Frederick Cailliard, from November 22, 

 1820, to January 10, 1821, and from May 18 to 31, 1821. 



Place of 

 observation. 



Time of 

 tlie year. 



Relative Prevalence of Winds pkom the 

 Different Points of the Compass. 



Direction of 

 resultant. 



^•3 



•a 



S 

 3 



.d 



H 



m 



w 

 t,ai 



72 





^ 



.Sod 



^ s 



^3 



o 



29. Northwestern f *=1^""S 



M 1 . i I Autumn 

 Nubia. 1 ,„. , 



I 1 Winter 



30. Red Sea Winter 



31. Jidda, Arabia. Spring 



]7 

 13 

 80 

 4 

 





 

 



1 



2 





 

 

 

 2 



11 

 

 

 5 

 





 

 



1 









 



1 



5 

 6 





 



1 





 3 











5 



20 



23 







1 



29 



N. 40' 14' E.??? 

 Duennrtli.??.' 

 N. 3 37 WJ 

 N. 50 59 W.?? 

 N. 56 14 W.?? 



.43 

 .93 

 .72 

 .48 

 .67 



29 

 18 



(No. 32.) Arabian Sea, longitude 56° to 72^° E. 



Computed from observations collected and classified, from the logs of numerous sailing vessels, 

 the United States Naval Observatory, under the direction of Capt. M. F. Maury, Superintendent. 







Relati 



ve Pkevalence op Winds fkom tb 

 Points of the Compass. 



E Different 







= 1 



1 



















1 















Time of 

 tlie year. 



£ 





W 







ri 

 m 



H 



w" 



7J 



^ 



3 



r/i 



^ 





.t,- 







g 



Direction of 

 resultant. 



oa 



O 3 



a 





z. 



a 



^ 



w 



W 



H 



M 



03 



!0 



en 



«i fe 



^ 



^ 



S" fc 



o 





K" 



fe 



Spring 











2 



5 



8 



13 



15 



4 



7 



16 



33 



12 



23 



17 



6 



3 



2 



S. 41°43'W. 



.42 



55 



Summer 



3 



1 



2 



4 



1 



2 



5 



2 



6 



11 



10 



6 



G 



2 



1 



1 







S. 15 40 W. 



.40 



19 



Autumn 



25 



26 



28 



7 



3 



1] 



15 



7 



11 



17 



42 



26 



38 



11 



17 



10 



15 



N. 81 26 W. 



.20 



103 



Winter 



17 



7 



19 



3 



20 



5 



4 



6 



6 



1 



13 







9 



9 



20 



7 



3 



N. 7 52 E. 



.25 



50 



The year' 































... 







S. 52 11 W. 



.17-i 



227 











' Computed from the resultan 



s for the seasor 



s. 









(Nos. 33 to 39.) India. 



Observed at the following places, viz.: — 

 Ahjab, during the years 18G8 and 18G9. 

 Bancoora, by John McRichie, during the year 1832. 

 Calcutta, during the years 18G1 to 1865 inclusive. 



Dum-dum, by Hardwicke, for a period of eight years ; date not preserved. 

 Kurrachee, from May to October inclusive in the year 1844. 

 Nagpoor, by Dr. Wylie, from 1821 to 1823, and from 1826 to 1829, both inclusive. 





■Baai 





Relativ 



: Peevalence of Winds fp.om the 







— 1 









UiFFEUENT Points of the Compass. 





c.§ 













































« 





w 





i^ 



^.^ 







9? 



■a 





Place of 





Time of the 





a.<! 





iJi 





Sj) 



•^■^ 



- 



Direction of 



'^'o 



"ft 





observation. 





year. 



^g 





^ 





A 









resultant. 



|i 



J3 



s 





















t:B ^ 





















a; 



^c 



W 



K.C 



m 



fcr 



o 





K 



^ 







J 



May- 



2 







1 







1 



13,' 68 



7 



1 



S. 87°43'W.?? 



.87:^ 



31 





33. Kurrachee. 



Summer 



















4 



37l 223 



12 







S. 85 11 W. 



.93i 



92 







i 



Autumn 



4 



3 



1 











2 



11; 93 



1 



14 



2 



N. 86 42 W.? 



.84i ! 



61 





