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Cincinnati Society of Natural History. 



Dr. W. A. Dun mentioned the occurence of a fire-ball which fell 

 between two horses, and, without injuring either, broke a stone lying on 

 the ground. 



The following were proposed for regular membership : 



Dr. C. L. Boutillier, G. N. Merryweather, 



Dr. W. S. Christopher, Dr. Chas. E. Caldwell. 

 \Ym. Lytle Foster. 

 The gentlemen proposed for membership at the October meeting 

 (see ante page 230) were duly elected. 



Dr. O. D. Norton exhibited specimens of Jasper and Chrysocolla 

 from Arizona. 



Dr. Wm. Carson was elected Curator of Photography, and Mr. E. S. 

 Comings, Curator of Meteorology. 



Donations were announced as follows : From Chief Signal Officer. 

 " Monthly Weather Review'' for August, 1885 ; from Kentucky Geolog- 

 ical Survey, "Geology of Clark and Montgomery, Marion, and Spencer 

 and Nelson Counties;" from Smithsonian Institution, " Proceedings of 

 United States National Museum," Vol. VIII, Nos. 32 to 34; from United 

 States Fish Commissioner, " Bulletin of U. S. F. C," Vol. V, Nos. 22 to 

 27, Plates 1 and 2; from Director of United States Geological Survey, 

 "Annual Report for 1882-83;" from Prof. Edgar F. Smith, Specimen of 

 Corundrum : from Fred. Braun. 42 specimens of minerals, rocks and 

 fossils. 



Meeting of December 1, 1885. 



President Harper in the chair, and fifteen members present. 



Mr. J. Ralston Skinner read a paper on "Measures of the Mound 

 Builders." He referred to the ancient use of the Inch Measure and its 

 connection with modern life. The ratio of 113 : 355 as the diameter to 

 circumference of a circle, and the ratio of 6561 : 20612 were spoken of. 

 He said that from the accuracy with which the British inch and foot fitted 

 into the dimensions of the Great Pyramid of Egypt, that he had no doubt 

 the builders of that work had a full knowledge of these measures. He 

 also considered that the same monument contained measures of time and 

 space, because of the very peculiar manner in which they were correlated. 

 Turning to the Mound Builders of the Ohio and Mississippi valleys, he 

 described the dimensions of the Gest Tablet and the Gridley Measuring 

 Stone, both of which had been taken from the elliptical mound formerly 

 standing on what is now Sixth and Mound Streets. He regarded the 



