42 FirLp CoLuMBIAN MusEuM—GEOLOoGyY, VOL. 1. 

AEROSIDERITES OR IRON METEORITES. 

Cat. Date Weight 
No. | of Fall or Find NAME AND DESCRIPTION, in grams. 


Found 1883. | Grand Rapids, Michigan. 
117 Full-sized, thick section, polished and showing W. 
f. like previous specimen. (W.) 7,881 
Found 188!. | Youndegin, Western Australia. 
118 Full-sized, elongated slab, showing pittings, crust, 
polished and etched surface. The W. f. are very 
coarse, many of the plates being 1.5-2 cm: in 
thickness. They are also crossed by a series of 
finer lines nearly at right angles. Troilite and 
schreibersite are present. (W.) 1,087 
119 *Polished fragment with crust. (W ) 20.5 
Found 1884, | Joe Wright [lountain, Independence Ce., 
Arkansas. 
120 Thin slab, etched, showing nodules of troilite and 
typical W. f. The arrangement of plates about 
one of the troilite nodules suggests a spherulite. 
(W.) 98.5 
12] Etched slab, showing markings like previous speci- 
men except that the troilite occurs in interlock- 
ing veins. (K.) 33 
Found 1884. | Glorieta Mountain, Santa Fe Co.,New Mexico. 
122 Thin lab with crust, polished and etched. The 
well known W.f. of this iron are fully displayed. 
(W.) 1,271 
123 Square slab, etched, showing both coarse and fine 
W. f. (K.) 152 
Found 1884. | Hammond, St. Croix Co., Wisconsin. 
124 Thin slab, showing one etched and one polished 
surface. The W. f. have a peculiar, shagree- 
ned appearence, due to their grouping in smaller 
and larger squares andto scattered flakes of 
schreibersite. (W.) 35 
125 Like previous specimen except that the W. f. are 
more distinct and the crust attains in some 
places a thickness of ] mm. (W.) 20 
Found 1885. | Puquios, Chile. 
47 Full-sized slab, etched. Irregular W. f. are dimly 
brought out by the etching, also flakes of schrei- 
bersite. (W.) 154 
Found 1885. | Stutsman County, North Dakota. 
126 Thin fragment, one surface etched. W. f. are but 
dimly outlined. Many of the plates appear bent. 
Described (W.) 
1885. The Lea Iron, Tennessee. 
127 Large thin slab, showing crust, polished and etched 
surfaces. Typical W. f, (W.) 934 
Described 
1886. Thunda, Windorah, Queensland, Australia. 
128 Sawed slab, one surface etched. W. f. distinct 
and regular. | (W.) 154 

