ADVERTISEMENTS. iz 
— from Thomas Mt., Milla d Co, bs Remarkably brilliant Packet crystals, some 
doubly te and ra xu an inch long. Both the yellow and colorless crystals are 
veles — rent and more beautiful en the Meca Crystals c. to $1.00. Matrix 
s, 50c. to $6. 
Martis dier Twin Peaks, Millard Co. , Utah. Fine groups showing octahedral and octahedral- 
dodecahedral crystals fr ‘from one-fou rt th to two pae! in diameter. The crystals are peer 
formed exhi bit sharp angles and polished faces and with the associated Pyroxene 
pecimens oem 25c. to 5.0 
very 
Boxes have been rec since our last announcement from Italy, pA side b Sweden, 
Gil. "Cundds, Lake os aest and many parts of io United States, so Wet choice specimens, 
afe win dfe, Blue C ndum, Phosgenite, SE Eudidymite, Enstatit ^, Sunstone and the 
species mentioned in previous lists can still be furnished. The Subphsers, Hematites, 
Sito nites peas and Rubellites are the most beautiful minerals ever seen and exceedingly low 
n pric 
RARE AND VALUABLE BOOKS. 
Ehrenberg, C. Mic st th A large quarto, 454 pp., 41 plates, many colored figures. 
Extra rare iis price, $52.50; my price $30.00. 
Storer, Dictionary of Solubilities. Extra rare, $17.50. 
i 0 
Murchison’s Silurian System. Fine and rare, $20.00. 
Trelease and Gray, Engleman’s Botanical Works. 4to, 92 plates, rare, $10 
Hooker, Flora Boreali-Americana. 2 vols., 4to. Usual price, $62.50 ; Td price, $20.00. 
Birds from Paciüc R. R. Surveys. 1340 p , 38 colored mme $5.50. 
Botany from P. R. R. 462 pp., 138 lette: 1336 eer 5 
cee from P. R. R. 895 Ta 79 igs , etc., $3. 
niin FOR OUR CATALOGUES. 
Ad AS OM FOOLE; 
1224, 26, 28 N. 4ist St., Corner of Viola, diskret Pa., U. S. A. 
394 
MEM Poo : ESTABLISHED 15412. 
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. 
