Spang Collection of Mine 
We have just purchased the celebrated mineral collection of | 
Norman Spang, of Pittsburg, numbering between À 
specimens, many of them large and magnificent. We offer it 
sale, entire, until November 15th, for $10,000. If not disposed” 
by that date, it will be broken up and sold at retail. a 
with possible purchasers is solicited. 
Complete eR Catalogue of our Stock of Minerals free, 
ound in cloth, 25 cents 
Geo. L. English & Co. 739 and 741 haa New! 
Dealers in Minerals. 1512 Chestnut St., Phil el 
COVERS FOR THE NATURA 
Handsomely stamped cloth covers for use in binding 
Narturatist have been prepared by the publishers, and 
sent, postage paid, on pi of price, 50 cents Pe vo 
COVERS FOR VOLUME XXIII. (1889) NOW READ 
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