Keyes—Meteorites on the Painted Desert. 137 
discovery by Foote'* unusual interest on account of the 
discovery of diamonds in some of the masses has been 
taken in these falls. 
Details of the petrologic and mineralogic characters 
need not be here described; they are fully set forth in 
the papers of Mallard, Brezina,’® Daubreé,'* Friedel,'s 
Moissan,'® Huntington,?? Derby,?* Mallet,?? Farring- 
ton,?* Merrill and Tassin,?* and Merrill.?® 
The complete list of minerals found in the meteorites 
of the district as given by the last mentioned author?® is 
of great interest. Further reference to it will be made 
in another connection. 
Kamacite (nickel-iron). Diamond (colorless, yellow and 
Plessite (nickel-iron). 
Taenite (nickel-iron). 
black), carbon. 
Cliftonite (carbon). 
Schreibersite (iron phosphide). Graphite. 
Rhabdite (iron phosphide). Amorphous carbon. 
(Unidentified black iron phos-_ Silicon. 
phide). Platinum. 
Cohenite (iron carbide). Copper. 
Graphitic iron (?). Olivine. 
Troilite (iron sulphide). Chromite. 
Lawrencite (iron chloride). Fayalite (?). 
Moissanite (carbon silicide). Daubreélite. 
Abundance of Meteorie Material About Canyon Diablo. 
The Canyon Diablo country, in which Coon Butte is 
located, has become so famous for the unique character 
of some of its meteoric minerals that several equally re- 
% Amer. Jour. Sci. III. 42:413. 
* Comptes Rendus, 114:812. 
1891. 
1892. 
*% Ueber Neue Meteoreisen 1893; also Wien. 
Sammlung 1895:288. 
* Comptes Rendus, 114:412. 1892; 116:345. 1893. 
* Comptes Rendus, 115:1037. 1892; 116:290. 1893. 
* Comptes Rendus, 116:288. 1892; 139:773. 1904. 
” Proc. Amer. Acad. Sci. 29:209. 1894. 
* Amer. Jour. Sci. III. 49:101. 1895. 
* Ibid. IV. 21:347. 1906. 
*% Thid. 22:303. 1906. 
* Smith. Mise. Coll. 50:203. 1907. 
** Ibid. 50:481. 1908. 
7° Smith. Misc. Coll. 50:483. 1908. 
