20 WILLIAM T. BRIGHAM 



July 17, between S** and 6" A.M., two shocks at Poi'tland, Saco, and other places in 

 Maine. 



Sejjtember 7, 11*" 10' P.M., at New Bedford and Dartmouth, Massachusetts. 



February 22-23, 1854, niidniojht a shock and rumblino;, from weat to east, was 



1864. ■ u 



felt and lieard at Reading, Massachusetts. 



October, a shock at Keene, New Hampshire. 



December 4, at IC* P.M., a shock at Huntington, Canada. 



December 10, 12^ 30' P.M., at Newburyport, Massachusetts, and Exeter and Portsmouth, 



New Hampshire. 



,„^^ February 8, 1855, in Nova Scotia, New Brunswick, and New England, a slight 



1855. . o / o 



shock. On the nineteenth of the same month a shock in Maine. 

 May 1, 1856, a slight shock at Ottawa, Canada. 

 December 28, a slight shock at Ottawa, reported by Dawson.^ 

 1857. In the Upper Province, Canada, in October, slight. 

 May 10, 1858, at Richmond, Canada. 



May 17, P.M., light shock at Richmond. At Sherbrook, about 3'' P.M., the 

 ground moved feebly, with a sound like distant thunder, apparently from the northwest. 

 At Melbourne and Compton the animals seemed much alax'med. 



June 30, lO*" 45' P.M., at New Haven, the tremor lasted more than a minute, accom- 

 pinied by a sound like a carriage on a bridge, but more sonorous and prolonged ; from 

 southwest to northeast. The sky was clear and the air perfectly calm. At Derby the 

 shock was severer than at New Haven ; the houses were strongly shaken.^ 



October 8, at "j" 15' P.M., a shock was felt in Avestern New York, principally at Buffalo, 

 but also in Canada. The northern end of the line of disturbance seems to have been Port 

 Hope, on Lake Ontario, and the southern, near Warren, Pennsylvania.^ Eastward it did 

 not pass the Adirondacs, but from its extent into the Montreal region is mentioned in this 

 list. On the eighth of this month a marked shock was felt at St. Louis, and also in 

 Illinois.* 

 1859. A slight shock at Metis, in Canada.^ 



March 16, 1860, at 9" 30' and at lO*" 15' P.M., Provincetown, Massachusetts, 



1 OfSf) ' " 7 7 7 



was visited by two shocks. At Dedham the second shock was felt, attended by a 

 noise like a heavy body falling from the top of a house. It was perceived at Holliston. 



October 17, 6*" A.M., an earthquake was felt in Canada, and the northern United States. 

 A number of observations were made, and the following list, prepared by Professor J. W. 

 Dawson, of Montreal, gives a tolerably satisfactory view of the region shaken. The 

 places are arranged in longitudinal order from east to west.® 



Bic, G*" A.M. Three shocks at intervals of some seconds, noise continued ten minutes. 



Green Island, 6" A.M. 



Riviere du Loup, 6"" A.M. A series of shocks lasting nearly five minutes. A schooner off tliis place ex- 

 perienced a shock resembling that of striking on a sandbank, and the waters of the Gulf of St. Lawrence were 

 unusually agitated, 



^ CanaiUan Xatur.alist and Geologist, vol. I. ♦ Ili'ul, vol. xxv, p. l.TG. 



" Silliriian's Journal (2), vol. XXVI, p. 298. 'Canadian Naturalist and Geologist, vol. v, p. 372. 



^ Ibid, vol. XXVI, p. 17 7. ^ Ibid, vol. V, p. 364. 



