Geology and Natural History. 309 
volcanoes of the Aleutian Islands and in the Society Islands. 
Dr. Fuchs also records the great mud eruption near Paterno in 
days or even weeks in the same locality. If every shock were 
counted the total would be many times greater. 
The earthquakes were most frequent in winter and autumn— 
thirty-nine occurring in winter, twenty-six in autumn, and nine- 
teen each in summer and spring. The most violent and destructive 
earthquakes occurred on January 23 in Peru and Boilvia, and on 
October 2 in San Salvador. (Also on April 12 in Venezuela. 
This Journal, Feb., 1879, pp. 158, 159, 161.) Of European earth- 
quakes the following deserve notice. On January 28, about noon 
10, 11, Feb. 2, Aug. 9), Gross Geran (Jan. 2, Mi : 
(Jan. 26, 27, June 8), Constantinople and vicinity (April 19 to 
a 
im many places the houses showed cracks, At the end of the 
oscillations a dull subterranean noise was heard, and a second 
d ; 
Offenbach on the Main and Michelstadt in the Odenwald on the 
southeast Strasburg, Paris and Charelville in the south, Liége 
the ground, while miners working at a depth of 300 meters did not 
feel it at all, 
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