108 FIELD COLUMBIAN MusEUM—GEOLOGY, VoL. II. 
Date 
of Fall or Find. 
NAME AND DESCRIPTION. 
Known 1804, | [isteca, Oaxaca, Mexico. 
Iron. Medium octahedrite, Om. Porous slab, 
etched. Widmanstatten figures quite dis- 
tinet. 7 Cat. No, oc. 
Fell 1882, Mocs, Kolos, Hungary. 
Stone. Veined white chondrite, Cwa. Nearly 
4 PIM complete individual, cuboidal in form, with 
solid angles only slightly rounded. Interior 
grayish-brown in color, with coarse, metallic 
grains. Cat. No., 322. 
Elongated fragment, showing crust on two sides. 
Narrow, dark veins pass through the mass in 
several directions. Cat. No., 323. 
Six fragments of nearly equal size, showing crust 
and interior. They have in general a cuboidal 
form with a prominence of the solid angles. 
Portions of the interior display a_ slicken- 
sided surface. Cat. No., 324-29. 
Complete individual, tetrahedral in form. En- 
tirely covered with thick, black crust, except 
at one point, where the light-gray interior may 
be seen. Cat. No., 330. 
Complete individual, plano-convex in form, the 
convex surface being evidently the “breast” 
side. The opposite face shows a thinner crust 
and rougher surface. Cat. No., 331. 
Monroe, see Flows. 
Fell 1810, Mooresfort, Tipperary, Ireland. 
August, Stone. Veined gray chondrite,Cga. Fragment 
Noon. with crust. Crust black, somewhat shining. 
Interior, compact, ash-gray. Shows coarse, 
seat grains and white chondri. Cat. No., 
Recognized | Mooranoppin, West Australia. 
1893. Iron. Coarse octahedrite, Og. Polished and 
etched section with crust. Widmanstatten 
figures irregular, and blotched with schrei- 
berite. Resembles Oscuro Mts. in figures. 
Cat. No., 540. 
Fell 1826, Mordvinovka, Gov. Ekaterinoslaw, Russia. 
May 19. Stone. White chondrite, Cw. Fragment from 
the interior. Light gray, flecked with rust and 
shining metallic grains. No distinct chondri 
are visible. Cat. No., 448. 
Found 1887. | Morristown, Hamblen Co., Tennessee. 
Iron-stone. Mesosiderite, M. Full-sized, pol- 
ished section, 8x14 cm. The stony and metal- 
lic portions are about equal in quantity. The 
nickel-iron tends to gather in large, rounded 
nodules. The stony portion is black and unin- 
dividualized megascopically. Cat. No., 561. 
Weight 
in grams. 

