42 BULLETIN 94, UNITED STATES NATIONAL MUSEUM. 



From these the mineral composition is calculated as : 



Nickel-iron 99. 51 



Schreibersite . 39 



Daubreelite , 05 



Troilite . 04 



Lawrencite . 01 



100.00 



Gift of South African Museum. 



Reference. — E. Cohen, Ann. South African Mus., vol. 2, 1900, p. 21. 



BIALYSTOCK, RUSSIAN POLAND. No. 332. 



Stone, Ho. A 21-gram fragment from a shower weighing alto- 

 gether some 2 kilograms, which fell on October 5, 1827. 



BILLINGS, CHRISTIAN COUNTY. MISSOURI. No. 444. 



Iron, Om. Slice 70 by 175 mm., weighing 440 grams. Found in 

 1903. Date of fall unknown. Chemical analysis by H. W. Nichols 

 yielded : 



Per cent. 



Iron (Fe) 91.99 



Nickel (Ni) 7. 38 



Cobalt (Co) .42 



Copper (Cu) .01 



Silicon (Si) .08 



Pliosphorus (P) .15 



Sulphur (S) .06 



100. 09 

 Reference. — H. A. Ward, Amer. Journ. Sci., vol. 19, 1905, p. 240. 



BISCHTUBE, PROVINCE OF TURGAI, RUSSIA. No. 229. 



Iron, Og. Weight, 1,290 grams; slice 14 by 24 cm., showing coarse 

 lamellse with inclusions of troilite and schreibersite. Weight of three 

 original masses, 48.75 kilograms. Date of fall unknown; found in 

 1888. Described by E. A. Kislakowsky as consisting of : 



Per cent. 



Schreibersite 3. 85 



Olivine 9. 88 



Anorthite 8.06 



Nickel-iron 78. 25 



100. 04 

 The nickel-iron contained: 



Per cent. 



Iron (Fe) 93.10 



Nickel (Ni) 4.82 



Cobalt (Co) 2.08 



100.00 



