MINERALS, ee eee ae & MEDICAL BOOES. 
HELLS, FOSSILS, BIRDS, EGGS, 
And all objects is NATURAL HISTORY are bought, sold and exchanged. 
cS a OC ao. 
No. 1223 Belmont Avenue, Philadelphia, Penna. 
(Professor of Chemistry and Mineralogy; Fellow of the American Association for the Advancement of Science; 
ge member of the Academy of Nat. ‘Sciences, Phila., and American Museuin of Nat. Hist., Central Park, 
~ Y. City. 
S ecimens sent to any part of one world by mail. Specimen copies of the illustrated monthly pgpecgigr 
Leisure Hour of 32 pages sent free. Subscription 75 cents a year, for club rates and premiums see each 
moathity issue, 
IT + atap be the ag cat award given to any tennial “xposition of 1876, and the only award and 
medal given to any American for “Collections of Mintegle "7 
My Mineralogical Catalogue of 100 pages is sent post-paid on receipt of 15 cents, heavy paper 25 cents, bound 
loth 50 cents, a sheep 75 ea » i. ho ve 2 This pr interleaved $1.00, 16 sheep interleaved $1.25, 1¢ calf 
> etna ae indicates the x a of any mineral in the table of species, w sey had usually be found the 
species name, see or suet Asigedes - frac stiire, hardness, specific gravity, &c. ., fasibility — wf geese 
zation. I have v “i ma price-list, and some that r had in 1876 aa no eg ert 
LECTIONS: ‘OF HINERALS for Students, Amateurs, Bisa ps AC aie sae 
The collections $5 100 illustrate all the principal es and all t and s ge aones pe - 
works oF inte sralogy all the principal ek &e., = fac ie fe s 2 tab elt ith prineed Tabet th t 
only ber ved by soakin ng. = fos bels = ne $5 KOO. ea P priced collections oiee Pawn S$ species nonibew, 
the name mg mat ity, hn nd in s, the composition ot he X ineral; the $5.00 and higher, are also accompa- 
nied by my illustrated otatene ‘and ‘table of species. The sizes given are epednsciancg }; some smaller, many Ba ot 
AT a ves re | 25 pit 3) ‘ 
Numeer or Srecimens. “in cae} i “ aa tis mbox. 100. 206 300 
Oryainie and figgoate sev et | 50 st 00° | $2.00 | $1 90 $200 | $3 00: 
Student's y sie Jar ES AG Aaa OO geen ies 150 | 3 00 | 600 | 500 - 1600} 25 00 
Ree S Rime Ate ee fae he oe ee ee i 10 00 2 06 50 00 
High Sehionk c 4 ae Sees size, 2Ugxsh in. 2 csanae’ Speeimens, . i 25 * 60 00 | 100 00 
College size, 314x6 in., Shelf Specimens ee at fo | 50 00 150 00 | 300 00 
{ I te 
Thave now over 70 tons, and Over $60,000 worth of Minerals, mostly crystallized, in stock. I can refer to 
se Pon OWsie Gentlemen and Sole. all of Regence with Gain oc of become have ought of me and most of 
ission to use the 
Prot 8. F. Baird, Prof. J. W. eee well, a wi BLY. Hagtlen, Prof. R. ‘Puappe ly, Prof. ae age a Joseph 
Leidy D. and E. 8. Dane, E is Bai op rof. G. a La sie fe tia Pd e, EB fusenm,. 
Pio 
Ai me Oe 
Pro nm. A. Gadol - Mines, Bi 
Petersburg, —— hte A. E. Réniensehiold Pyoval Mason, Stockholm Sweden, "Dr. icolo ale eid : 
Univ ait ‘of Califo irae ve i ers i Ne a te ng Orexo poet Stat Colle e, Yale College, Wisese 
rsity oO — e 
woemen 4 ‘University, o rnia, University ee lege ——— Ualgersiey, "Mase . 
ae University of Misso' 
Sta niv og ih oe nt Uns — aii , Chi sap fein be 
versi of N tee e emed ager Johns opkins Universi ok inn obo 0 os 
Brimmmer Sc oe “9 bes ston, a D, oe rst — = Ney ashington ag el mee ebb 1, Chili, a 
ate. 
vs "She Sy het pangs rf tip collections of of shells at the following low rates: 25 Genera, 25 species, $1. 00; oy to, os 
$1.25. be See 100 oe .00; in box, $6.00. 100 Genera, 300 species, $25.00; 200 Genera, 1,000 ‘species, : 
$150.00; 250 Genera, 2,000 
©: f he 8 of Shells, made for me by George W. Tryon, Jr., who has labelled nearly allmy — 
shells eiaonne of 2808 = on eet : a SS with a penne | label list, 10cents. [ have pu. rchased one or two of the — : 
toca te woe Setions known, an inte Mega. Kyos elue, mie eve *BreenlsCataloguay of various clases a 
Corals in stock. eo Sen es ins, etc., ete., : & 
Scientific Books, 22 pp ee 8 cts. Medical ye , 80 pp., 10 ets. (Please specify exactly what class of i books et 
cn ago d for the Naturaliet’s Leisure Hour, givin ‘fall particulars. Specimen copy free. You will confer” 
uti fervor a meoreite = to some seteieens > sician or other dept interested in science. — 
mn, Pr - 
Public Ldhcory Cincin nnati, Cincin nati x. Es ge ‘Bitiscon “3 Minister of inscal o 
