592 



THE POPULAR SCIENCE MONTHLY. 



Mineralogy pertaining to my chair of physical science in the Iowa 

 State University, I felt it my duty to furnish the mineralogical cabi- 

 nets with good specimens of the meteorites which fell in my neighbor- 

 hood. I have, througli the personal and financial assistance of the 

 Hon. John P. Irish, of Iowa City, brought together three collections, 

 the first two of which have been photogra])hed. The subjoined cut 

 is a copy of the photograph of tlie first collection. It shows the gen- 

 eral form of each of the specimens, numbered in the order of their 

 weight. The photographs themselves, in one-fiftli natural size, are 

 very excellent, permitting even a close study of the granulations and 

 surface. The above cut gives the specimens in one-seventh of their 

 natural size. 



The following catalogue gives the specimens of my collections in 

 the order of their weight. The numbers correspond with those on 

 the map of Iowa Township. No. on the map indicates the " Sher- 

 lock Stone," the first one found : 



But a few days ago (on June 30th) I received a dispatch from the 

 meteorite headquarters that quite a large specimen had been found. 

 Since, an additional, somewhat smaller stone has been found on the 

 same section of land, namely, on section thirty of the township, direct- 

 ly north of Iowa Township or about two miles nortli of the spot ji 

 in section six of tlie map, but a little south of the society village called 

 Amana vor der Hohe. I have visited this place, and been kindly per- 

 mitted to examine these truly beautiful specimens. The larger me- 

 teorite forms an ii-regular, rounded rhomb, 15 inches diagonal and 8 



