- in cloth 50 Po nts, 3 sie % Foe a 
et ae Ty re eee ee oe 
} MINERALS, SCIBNTIFIC & MEDICAL BOOES. 
GS, 
SHELLS, FOSSILS, BIRDS, EG 
And all objects of NATURAL HISTORY are belaaht: asia nd exchanged. 
Rca 3 A. 
No. 1223 Belmont Avenue, Philadelphia, - Penna. 
(Professor of Chemistry and Mineralogy; Fellow of the American Assoc tiation for f Scie ; 
ae member of the Academy of Nat. ‘Sciences, Phila., and American pea of) Nat. Hist., Central Park, 
.Y. City 
Spe scimens sent to any part of the world by mail. Specimen copies a = > vd monthly arapivtyond 8 
ach 
p Leisure i of 32 pages sent free. Subscription 75 cents a year, fo rates . ‘\d premiums see 
monthly 
Tree Sviey ‘the highest award given to any one at the Centennial “xposition of 1876, ithe only award and 
! medal given to any American for “Collections of Minerals.’ 
offer: STORE, 
s“Pestis, tom! 
=, Mineralogical Catalogue of 100 poet is sent post-paid - receipt of 15 Cones ., heavy paper 25 cents, bou 
8, 72 ealf $1.00, cloth interleaved $1.00, sheep interleaved $1. pe Ve po if 
interleaved $ . (price-list 6 pp. 3 ¢ cents). It is profus sely illust trate: 4 and the io er and engraver 
charged - rebone ‘St, 000 Cenar s lin y was struck off. By means of the table of species and acc company ing 
~~ ane t spec'es may be ve rified. a he price: -list is an exc ellent check list, eo ssberains ihe a a — of all the 
= eC ee nged alphabe nd prece die d by the specie seat ar. The 
cies number indicates the pla ace ‘of any mineral ‘in t the table of spec: ie: Sy a he are Mer us aus e <% und the 
species oa ne, streak or lustre, ec 2le avage or inp ture Spe ecific gr &e., &¢ a en = erystalli- 
zation. I have very many species not o price-list, and sina tl rat I had | in 1875 are no longe toek 
LECTIONS OF MINERALS for parse — Professors, Be hice 
The collections of 100 illustrate all the principal nd all the grand subs Hivisions in De and ot 
works on Mineralogy; all the principal Ores, &c., re The eolle tions xfs iabelled 7 t 1 lal va that can 
only be rotsored by verte The labels of the $5.00 and higher priced colleetio Jana’s species number, 
the name, lo« salit y, and i os st cases , the ce ee of reas bogs eral; the $5.00 ‘na higher, ied a8 accompa- 
nied by my illustrated ( ‘atao gue an The sizes given are average; some smaller, many p eeet er. 
eo pea . 25 50 i 300 ji 4 
NuMBER OF SPECIMENS. in box in bot. (in bex. | 100 200-5 300 
Crystals and ie pi ee har eee Sox Oe ae ee OR tee UO ek OO $2 00 | $3 00 
Stac dent's size, Or ee ae Oe: ee eee ee ee 
Ae 8 2h i. eee pa a reihy ar ; 19 00 25 00 | 50 00 
en ny size, 21 iZ in,, Shelf Specimens, . | i | | 25 00 50 00 | 100 00 
elf Specimens eor i. c  a] 50 00 | 150 00 300 00 
} 
{ 
I have now ove or 70 to tons, and over $60,000 worth of Minerals, mostly crystallize a; in stock. I can refer to 
the Sewing Gentle id Colleges, al lL of whom, with thousands of oth ers, hare bought of me and most of 
then have giv special permission tou the es : 
8. F. -rof. J. W. Powell, Prof. _ Ae Hayd en, Prof. R. Pumpelly, Prof. €. V. Rile y, Dr. Joseph 
rof. a B.S: Dana, T. A. Edison, Prof. G6. J. Brash, Prof. J. P. Cooke, E. B: Coxe, Agassiz Museum, 
I & N.H., Prof. C. s. Rares nt, Prof. C. 'E. Besse ey, Iowa State Agl. College, Dr. John 8. 
of, tag F. Newberry, D.S. - fordan, Prof R. H. Richards, Mrs. Ellen 8. Richards, Prof. 
Ste rove a _8. Bement, Pr« E. Smith, Beloit College, Prof. G. A. Koentg, 
= , Cine in H. Society, M. Basso, Minister of Instruction, Paris, France, Lau- 
igal, Prof, "Orto on, Prof. Ira Remsen, Gen. A. Gadolin, Imp. School of Mines, St. 
USSsIa, LES Nordensehiold Rover Maseum, ‘Stor rg et ~—— Dr. Nicolo Moreira Imperial 
eae ae gc So na Brazil, British Museum, Royal Museum Berlin, Dr. P. E. Defferart Italy, Harvard 
‘Ghent ne California, University of Rebea ska, Oregon Biate College, Yale College, Wisconsin 
ege, Michigan University, Wellesley veer ; Se inois Industrial University, Massa- 
a ul nehno logy, Col. Sehoo! of Mines, University of Virginia, soap st of Missouri, Towa 
State Univer rs ne Min State Normal School, McGill College, Ameen College, Chicago University, Uni- 
city of Notre ‘Dame, “Prine eton College, Johns Hopkins University, University of Ge orgia, University of Ohio 
mer School Boston, and many others in Nevada, Washington Jerritory, Canada, Maine, Pexas, Peru, C hili, 
Eng sland, Brazil, Germa ny, Austria, ete., etc. 
&i 5° Is, c.,—I can p is of = at the following low rates: 25 Genera, 26 species $1.00; in box, 
ale ». 50 Genera, 100 s species, Py oO: in box, $6.00, 100 Genera, 300 species, $25.00; 200 Genera, 1,000 ‘econ 
46) 1.00 5 250 Genera, 2.000 speci 
: o ‘ < © «i 2C7ES AC 
Catalogue of 2,500 species pet ot mp made for me by George W. Tryon, Jr., who has labelled nearly all 
shells, 3 cents, printed on mig paper with genus label list, 10 ‘cents. “T have a ed one or two of the round 
celebrated collections known, and ne now over 2,000 Ibs., 3,000 species, and 30,000 specimens © of Shelis and 
Corals in stock, Catalogue a Birds, Eggs, Eyes, Skins, etc., ete., 3 cents. Catalogues of yarious pe pirsi of 
Aigomr ye Books, 22 op.. €a. 3 cts. Medical Books, 80 pp.,10 cts. (Please specify exactly what elass of books 
wish catalogues of.) 
Send for the 8 Naturalist’s Leisure at giving full particulars. Specimen copy free. You will confer * 
touble fayor by handing this t sor, physician or other person interested in science. 
