SERIES B. ZONE IG. LAT. 10° TO 15° N 



541 



(jSTos. 26 to 29.) Abyssinia and Southern Arabia. 



Observed -at the following places, viz. : — 



Abgoidaui, Kilgou, Sinque and the intervening regions in western Abyssinia, by Frederic Cailliand, 

 from December 22, 1821, to February 18, 1822. 



Aden, Arabia, from June to December inclusive in the year 1846. 



Adouah and vicinity, Abyssinia, by Lefebore, in July, 1839, June to September inclusive, 1841, 

 and June to October inclusive, 1842, making in the aggregate a period of 211 days ; also by Rev. 

 H. Hunter, for an aggregate period of 24 days in the years ITTT and 1118. 



Anlalo, Atsala and sundry other places in Eastern Abyssinia, between latitudes 10° and 14° 

 north, by Hunter, in 1111 and 11T8, and by Lefebore, 1839 to 1842 inclusive. 



Place of 

 observation. 



Time of 

 tlie year. 



Eelatite Prt 



DlFffEEIiN 



VALI- 



iPoi 



KCK OF "Winds pkom the 

 NTti 01' THE Compass. 



DirectioEof 

 resultant. 



"a ^ 

 oS 



;, 3 



a 



J3 





H 





3 



. > 







o 



2G. Westeru Abyssinia. 



Winter 



71 







1 







6 











4 



30 



N. 1°25'W.? 



.63 



59 





Spring 







1 







1 











1 







2 



Due East. Ill 



08 



.5 



27. Adouah and vicinity, i 



Summer 



43 



29 



13 



118 



88 



1.36 



45 



354 



4 



N. 80 9 W. 



.331176 1 





Autumn 



41 



n 



8 



28 



27 



30 



14 



98 



6 



N. 54 1 W.? 



.32 



91 



f 



Spring 





1 



2 



1 







4 



2 



4 



8 



N. 7644W.?? 



.19 



23 



28. Eastern Abyssinia. 

 Lat. 10 to 14 N. 



Summer 

 Autumn 

 Winter 





1 







2 





 2 

 3 





 

 4 





 

 





 

 





 1 

 2 



1 





 



2 

 

 3 



North.??? 

 N. 45 E.??? 

 S. 74 56 E.?? 



.48 

 .35 

 .39 



5 

 4 

 14 



' 



The year' 





















N. 33 6 E.?? 



.'JO 



46 



r 



lane 









2 





2 



16 



7 

 12 



1 









30 



July 



August 



September 



October 



November 



December 





1 











3 



14 



1 









31 









 







2 







23 



3 











31 



29. Aden. -j 









 2 



1 

 

 1 

 



20 



4 



6 





 









30 

 31 





11 



15 

 2(i 



2 









 













30 





1 



3 













S. 87 12 E. 



.91 



31 





Summer 



2 



] 



2 



1 



8 



53 



22 



3 





S. 54 28 W. 



.78 



92 





Autumn 



3 



23 



28 



4 



3 



24 



7 









S. 85 37 E. 



.251 



91 





' Compu 



ted f 



om the re 



sulta 



its for the seasons. 







1 



(Nos. 30 to 32.) Red Sea and Arabian Sea, Longitude 40° to 75° East. 

 Computed from observations for an aggregate period of over two years, collected and classified 

 from the logs of numerous sailing vessels, at the United States Naval Observatory, under the 

 direction of Capt. M. P. Maury, Superintendent. 







Relative Pkevalenc 



E OF 



Winds fpom th 



eDiffekent Poik 



rs 























OF 



rHE 



Compass. 













OS'S 



if 



>. 



■c 































i 



































^ 









Direction of 



£0 







observa- 



year. 





W 





H 





W 





W 





I5 











o-^ 



resultant. 



3 



E 



tion. 







fc 



H 



^ 



m 



oi 



w 



03 



3 



r/i 



^ 



Oj 



? 



^ 



^ g 



s-n 





.2g 







S 



S 



fe 



H 



W 



H 



02 



02 



EC 



m 



m 



^ 



^ 



^ 



^;,fc 



d^ 





«•" 



K 



=3 "*- ..vH 1 



0) o bc^ 



Spring 



2 



2 



16 



3fi 



28 



19 



10 



25 



6 



9 



9 



7 



6 



4 



13 











S. 75°10'E. 



.40 



64 







6 



2 



10 



1 



2 



4 



4 



1 



17 



12 



55 



21 



11 



6 



16 



9 



3 



S. 60 39 W. 



.49 



60 



Red 



I Gu 

 en, ] 

 to 5 





5 



1 



15 



38 



17 



6 



1? 



7 



4 



4 



11 



4 



9 



4 



2 







14 



S. 20 E. 



.34 



51 



Winter 











fi 



52 



59 



10 



4 







3 































o:n. 83 IS E. 



.93 



45 



\^%T^\ 



The year' 





































S. 79 8 E. 



.31 



220 



31. 



ngitude 

 50° to 

 S0° E. 



Spring 

 Summer 



3 



?,1 



48 



34 



34 



29 



28 



R 



10 



16 



17 



7 



9 



3 



9 



1 



7 



East. 



.40 



95 



3 



2 



3 



2 



2 



3 



7 



11 



13 



42 



85 



5 



3 











1 



7 



S. 28 22 W. 



.73 



63 





5 



13 



62 



47 



12 



15 



13 



5 



7 



8 



42 



1 



6 



11 



12 



5 



9 



N. 65 E. 



.28 



91 



Winter 



?, 



11 



36 



47 



29 



20 



16 



3 



7 































9 



N. 80 4 E. 



.78 



67 



- L 



The year' 

 Spring 



36 



15 



15 



3 



"(i 



1 







"3 



3 



"3 



16 



35 



26 



36 



39 



22 



"7 



S. 69 16 E. 

 N. 52 57 W. 



.29 

 .57 



316 



87 



" SPoo 1 



1 



1 



1 



3 



-1 







1 











5 



63 



79 



45 



32 



33 



7 







S. 80 55 W. 



.80 



91 



Autumn 

 Winter 



28 

 94 



17 



38 



48 

 34 



9 

 6 



11 

 3 



^ 



1 



5 















1 





 4 



4 

 4 



7 

 



17 

 6 



15 

 6 



55 

 10 



25 

 16 





 9 



N. 11 25 W. 

 N. 12 21 E. 



.61 

 .61 



79 

 56 



3" [ 



The year' 





































N. 41 7 W. 



.47 



313 











1 C 



oni 



iiite 



dfr 



nm 



lie I 



esultaiits fo 



rth 



1 se 



isons. 









