390 Eighth Memoir on the [No. 1 37. 



Taking this rate, we may carry it farther on from 3^ a. m. to Noon of the 

 25th May, which will give us, taking it to have passed on a nearly W. S. 

 W. course, but curving as it passed Pondicherry, so as to form an arc, 

 8 J hours at 11.9 per hour, or about 100 miles beyond the meridian of 

 Ryacottah, if it still moved at the same rate, though of this we are not 

 certain. This calculation would place the centre at Noon 25th in lat. 

 about 10° 30' long. 77° 00' E. or about the head of the Paulgatcherry 

 Pass on its South side, as supposed by Captain Newbold in the extract 

 which follows in the next page. 



We next find that according to the extract from the Bombay 

 paper, the Seaforth, Ceylon steamer, encountered the storm at 10 

 p. m. on the 25th off Cochin. I have only this brief notice of this 

 vessel's log, and thus we cannot say if she encountered its Northern or 

 Southern half, or its centre ; but as the track of the storm certainly 

 trends to the N. Westward in the Arabian sea, as we shall see by 

 the subsequent logs of the Lucy Wright, Futtay Salam, &c. we may 

 say that it was in all probability the centre or the Southern half of 

 the vortex, which the Seaforth met with. If we take her to have been 

 60 miles from the coast, which in the dangerous month of October 

 is not an excessive offing, this would give, from our centre before 

 mentioned a distance of 1 10 miles in 10 hours, or 11 miles an hour, or 

 nearly its former rate. It must be recollected, that if the Seaforth 

 might have been much closer in shore, the storm also might have been 

 much retarded by the steep escarpments of the pass; and all we wish 

 to shew is, that there is connection enough between its rates of tra- 

 velling, and the times at which it was felt in various places, to enable 

 us to pronounce, on fair and reasonable, if not on positive grounds, 

 that it was the same storm throughout. 



Before tracking it farther at sea, I shall give here Capt. Newbold's 

 highly interesting views as to the passage of the storm over the 

 peninsula. 



" From the physical configuration of the country to the North, West, 

 and South of Madras, it strikes me that any aerial current coming from 

 the Eastward, would be directed from its progress in a direct Westerly 

 direction by the high line of the Eastern Ghauts, and turned in a 

 South-Westerly direction by the break of Salem, whence sweeping 

 across the plains of Coimbatore at the Southern base of the Koonda and 

 Nilgherry escarpments, it would be concentrated on that singular gap 



