Mallet — Stony Meteorite from Coon Butte, Arizona. 349 



are seen on so many meteorites. One, presumably rather large, 

 piece had been broken off from the smaller end, and two other, 

 much smaller, fractures appeared at and near the larger, end. 

 Measuring the mass as it lay on the larger approximately flat 

 face, the maximum length was about 14*5 cm , maximum 

 width about ll/S 0111 and maximum thickness about 8"9 cm . 

 Fig. 1 is a reproduction of a photograph showing the gen- 

 eral appearance. The weight of the specimen as it reached 



me was 2789 grams. There is an external oxidized crust, 

 generally of dark, blackish brown color, with patches of redder 

 brown — for the most part very thin, not exceeding - 5' mn in 

 thickness ; at some points the oxidized material runs in to a 

 depth of 7 or 8 mm . A surface of fracture shows a gray mass of 

 (not very well defined) chondritic and brecciated structure, 

 with numerous little spots of iron-stained yellowish brown 

 color, including lustrous points of metallic iron — the general 

 appearance like that of the Pultusk meteorites of Jan. 30, 1868 

 (but without the glossy black crust of these stones). There 

 is a still closer resemblance, both of crust and fractured sur- 

 face, to the meteorites from Ness Co., Kansas. From the gen- 

 eral appearance of the surface of fracture I am inclined to class 

 this specimen as Brezina's breccialike gray chondrite, Cgb. 

 The specific gravity of the whole mass taken by suspension in 

 water at 15° C. was found to be 3*471, which is sensibly less 

 than the results of calculation from the constituent materials 

 as found by analysis, indicating some lack of compactness in 

 structure. 



Dr. George P. Merrill, Head Curator of Geology at the 

 U. S. National Museum, who has given much attention to the 



