292 A Twenty-first Memoir on the Law of Storms. [No. 4. 



29.39 ; Ther. 84°. At 2, p. m. wind E. S. E. ; at 8, increasing again to 

 Midnight, when wind is marked S. E. 



May 5tL — A. m. wind S. S. E. Strong gales j 6 more moderate ; nnder 

 some sail, Bar. being at 2 a. m. at 29.26 ; Symp. 29.31, after which they 

 began to rise. Noon Lat. 14° 54' North; Long. 82° 37' East; Bar. 

 29.60 : Symp. 29.80 ; Ther. 83°. Midnight, out reefs. 



Abstract from the Log of the P. and O. Company's Steamer, Precur- 

 sor, from Point de Galle towards Aden. Civil Time, Forwarded 

 by Mr. Parfitt, Chief Officer. 



The Precursor left Point de Galle at 6.20 p. m. on the 30th April. 

 Wind and sea increasing from W. b. S. Bar. 29.77 to 29.76 at Mid- 

 night, Sympiesometer not in good order : Ther. 81°. 



May 1st, 1851. — A. m. strong winds W. b. S. and cloudy ; heavy head 

 sea and frequent squalls. 4 a. m. Bar. 29.74; Ther. 83°; at 8 a. m. Bar' 

 29.79. Noon more moderate, but very heavy sea, Lat. by Obs. 5° 5' N. ; 

 Long. 77° 3' East; Bar. 29.80; Ther. 85°. p. m. wind W. b. N. 4 p. m. 

 Bar. 29.72 ; at 8, 29.82 ; Midnight 29.82. Wind and weather the same. 



May 2nd.— Moderating to Noon when Lat. 3° 21' North ; Long. 78° 18' 

 East ; Bar. 29.88 ; Current S. 55° E. 41 miles. 



Abridged Log of the Ship Hyderabad, Capt. Castles ; from Calcutta 

 to the Mauritius, reduced to Civil Time. Fonvarded by Capt. 

 C. Biden. 



May 3rd.— t. m. Lat. by Acct. (worked back from Noon of the 4th) 14° 

 05' N. ; Long. 83° 47' East ; 1 p. m. Bar. 28.90. Strong breezes from the 

 East. Ship standing S. S. W. 6 p. m. wind E. S. E. ; increasing, with a 

 confused sea to Midnight. Bar. 28.80 at 8 p. m. and Midnight. 



May 4ith. — Increasing gales with a very heavy head sea ; made all snug. 

 Wind S. E. b. E. from 6 a. m. Noon blowing " a drift of wind." Lat. 12° 

 30' N.; Long. 82° 20' East; Bar. 28.74. Sea running very high. Ship 

 running 4 knots per hour to the W. S. W. ; p. m. the same ; at 4, complete 

 hurricane ; ship on her beam ends for upwards of two hours ; decks swept 

 continually of every thing. Bar. from 28.74 ; at 1 p. m. to 28.70 at Mid- 

 night. Drift about ^ mile per hour. Wind for the p. m. and a. m. of the 

 5th is said to have been " mostly from S. E. b. E. to East ; gradually veering 

 to the Southward throughout the latter part." 



May 5th.— At 4 a. m. Bar. 28.71 ; at 8, 28.72. Noon hard gale with a 

 heavy sea. Wind about S. E. b. S. Noon Lat. by Acct. 12° 50' N. ; Long. 



