ADVERTISEMENTS. ix 
MINERALS, NEW ARRIVALS. ` 
IP from vete Mt., Millard Co o., Mie ny brilliant perfect crystals, some 
doubly terminated and r arely an inch long. Both the yellow and colorless edis are 
perfectly transparent and more beautiful than the Mexican. Crystals 5c. to $1.00. Matrix 
Specimens, 50c. 
Martite from Twin Pul Millard Co. d ee Fine groups ars edt and octahedral- 
dodecahedral crystals from one-fo ourth to two inches in dia The crystals are perfectly 
ormed, exhibit sharp angles ut polished faces id Meis ike cane Pyroxene form 
very ié econ ens. Groups 25c. to $5.00. 
Boxes have been received sce our last announcement from Italy, ds Sweden, 
Germany, Canada, yv e Superior and many parts of the United States, so that choice cimens 
i i genni ite, Blue Corundum, bees ite, Anglesite, ae. Enstatite, jaa me and the 
y rare species mentioned in previous ua can still b ished. e Sulphurs, Hematites, 
Scion, SEM and Rubellites are the most beautiful linc ever seen and exceedingly low 
RARE AND VALUABLE BOOKS. 
tiie rh C. G., Microgeologie, large quarto, 454 pp., 41 plates, many colored figures. 
Extra rare, forei gn price, $52.50; my price $30.00. 
Storer, Dictionary ‘of Solubilities. Extra rare, $17.50. 
Murchison’s Silurian System. Fine and rare, $20.00. 
Trelease and Gray, ngleman’s Botanical Works. 4to, 92 plates, rare, $10.00. 
Hooker, Flora Boreali-Americana. 2 vols., 4to. Usual price, $62. 50; my price, $20.00. 
50. 
Birds from Pacitic R. R. Surveys. spiced PP» 58 jc plates, cloth $5.50. 
Botany from P. R. R. 462 xmi ng pla depen v .00. 
SEND FOR OUR CATALOGUES. 
Inu A- E. FOOTE, 
1224, 26, 28 N. 4ist St., Corner of Viola, Philadelphia, Pa., U. S. A. 
W. H. HORN. 
JOHN J. HORN. 
WM. H. HORN & BRO, 
MANUFACTURERS OF 
HORN’S STANDARD 
HARD RUBBER, LEATHER COVERED AND ELASTIC 
~ TRUSSES. — 
Abdominal Supporters, Shoulder Braces, Suspensories, Elastic 
Hosiery, Crutches, Pile Pipes, Ete. 
Nos. 451, 453 and 455 North Third St, 
PHILADELPHIA, U. S. A. 
ESTABLISHED 1842. 
