Fifteenth Year of Publication. Post Free on application. 



NATURAL HISTORY AND SCIENTIFIC BOOK CIRCULAR, No. 

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Botany, Conchology, Entomology, Fishes, Mam- 

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 Geology, Mathematics, Meteorology. 



william wesley & son, 



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BLACK HILLS CABINET MINERALS. 



35 FINE VARIETIES, PRINTED EABEIiS. 



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Any specimen, 'Q£ x '2y 2 inches, 15 



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Tin Metal Bars from Stream Tin, - 50 



Needle Tourmaline, 6-sided crystals imbedded in a mass— a new forma- 



tion— 2]4 x 2J& - - 15 



Uran-Mica. Greenish canary yellow incrustation on Uranite (an ore of 



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Polished Agates, Crystals, Fossils, Sioux Indian Relics. 4 page Price List 



Li. W- STILWELL, 



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Takes charge of the Zoological Collections of Schools, Colleges and Scientific 

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AMERICAN JOURNAL OF SCIENCE. 



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