402 A Second Memoir with reference to [No. 100. 



the wind backs round contrary to the sun, it will increase ; if in south 

 latitude the reverse. 



" In the first hurricane which I experienced, in the Gulf of Mexico, 

 the clouds of scud appeared to touch the masts ; this was on the 18th 

 and 2 1st August, 1827" 



Extract from the log of the Brig " Ripley" Yorke Steward, Comman- 

 der. Reduced to civil time. 



Thursday, 14th November, 1839. — On the 13th, at noon, latitude 

 15° 22' N., longitude 85° 05' E. steering East and EbN. Strong monsoon 

 with hard squalls and heavy rain. In the middle and latter parts 

 of these 24 hours, wind steady at north, but gradually increasing and 

 the mercury falling. At noon it was 29.65. Ther. 75° ; then blowing 

 a heavy gale; ship under close-reefed main-topsail. Noon, latitude by 

 dead reckoning 14° 30' N., longitude 85° 21' E. Ship's head to N.E- 

 Wind veering to NNW. and NW. Barometer at midnight 29.50. 



15th November.-— Ai 8 a.m. Bar. 20.30, but not at all steady. Noon, 

 it was 29.25. Ther. 73°. Throughout these 24 hours a heavy gale, 

 with incessant heavy rain, and severe gusts of wind ; the sea compara- 

 tively smooth, ship lying to under storm trysail. The last 12 hours the 

 wind appears to have been blowing at its greatest fury. Noon, latitude 

 by account 13° 55' N., longitude, 85° 58' E. Wind WNW. At 4 p.m. 

 West. Mercury fluctuating from 29.30. to 29.40. 6 p.m. Wind WSW. 

 moderating a little. Bar. rising. Midnight, wind SW. 



16th November. — 6 a.m. SSW; at 9 a.m. SbE., and at noon SEbS ; 

 At 10 p.m. it ceased raining. Strong breeze and fine clear weather; to- 

 wards noon moderating to a fresh breeze and clear weather, latitude 

 15° 38' N., longitude 86° 57' E. Bar. 29-75. Ther. 80°. The follow- 

 ing day the wind remained steady at SE. and settled fine weather. 



Extract from the log of the Barque " Sumatra," Capt. Langlois, from 

 Padang towards Calcutta. Reduced to civil time. 



At noon 12th November, 1839. — Latitude obs. 15° 29' N., longitude 

 91° 02' E. To midnight fresh breeze, ENE. 



IZth November.— To 6 a.m., fresh breeze, ENE.; 6 to 10 EbN.; 

 to noon ENE. Midnight strong breeze, squally and rain. Noon, fresh 

 gale. Latitude by observation 17° 41' N., longitude 90° 42' E. Wind 

 ESE. Wind ENE. to 4 p. m. veering to East at midnight. 



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