| TWERALS, SOL iL nage & MEDICAL BOOES. 
SHELLS, FOSSILS, DS, E 
_And all objects of NATURAL Hi stone ag are housht: sold and exchanged. 
No. 1223 Belmont Avenue, Philadelphia, Pen 
4Professor of Se ceee | Fellow of ies see meric — at ings p for the Advancement of Seience; 
Life Sotiper of the Aad reories of Nat. Sci ciences, Phila., and An an Museum of Nat. Hist., Central Park, 
N.Y. Cit 
Specimens sent to il part of the world by mail. Specimen copies of the illustrated monthly epecceoaete 
e Hour of 32 pages sent iseeg Subscription 75 cents a year, for club rates and premiums see each 
pouthiy issue. 
a received the lg cone award piece to any one at the Centennial “xposition of 1876, and the only award and 
y American for “Collections of Minerals.” 
My Mineralogical Catalogue of 10 
ary cents, bou na 
Cloth 50 ce ants, a sheep 75 cents, feat $1.00, haere ree esi fig 00, fen teat ot $1.25, 14 cal 
Tleaved $1.50, (price-list alone, 16 ae eénts). It is aligcnar oa iuseret, pak The. printer and engraver 
reed me about Bye ,000 before a copy was struck nig = the table of species and accompanying 
ables, most tbe sit 3 may be verified. The price-list i shes ck list, containing the ge i aod all ae 
ies, an —o. este aiphabotieatiy, sp preceded by the spee 
ties nu eee indicates the plac mineral in the table of species, where will us cally} te. found the 
cies name, streak ep cleavage oF fracture, hardness, specific avits. &e., &c., ch ibility and crystalli- 
Hion, [ have se ecies not on rice-lis st, and fia fs that Phad in 1876 are no longe i n stoc ie 
OLLECTIONS OF MINERALS for ae ne eiprrey Physics, eta 
The collections of 100 illustrate all the prin pipet cies and a and subdivisions in ‘Dat ana and —— 
orks on Mineralogy; all the Sept Ores, &e. ollecti abe lle oe ith printed label that ¢ 
= fhe Soepsede by soaking. The labels of the $. ree hig cher ained collections give Dana’s specie es num visa 
re 
e, lo an and in mos t eases, the eo peste saci agi ¥ ineral ; the $5.0 = higher, 
t f spec thes s ome smaller, many larger. 
: ; a be fe ‘ ‘ 
eaten OF Goxvrens in box. | in box. | in box. | stg sate ~— 
Me nun frapminles a ee | $50 | $100 | $200 | g100 $200) $3 00 
Brewing, larger 6 eo ce ee es | 230 | 300 | 600 | 500 | 1000| 25.00 
eur’s size, 244 in.xi}s Seek coe ee sf | | 10 25 00) 50 
School or Academ e, 214x334 in., Shelf Specimens, - | 25 00 50.00 | 100 00 
&ge size, 3)¢x6in., 8 helt Becolnene 4 es es } | | | 50 50 00 | 300 00 
Tharye now over 70 ton ns, and over $60,000 worth of Minerals, mostly crystallized, in stox I can ot to 
following Gentlemen and Colleges, all of Memon with thousands of others, have bought ve me pod tof 
™ hee 5. Ba spe special pe Tr names as r hag nce 
Baird, Pr of. J. W. “Powell, Prof. Fr ve Hayden, Pri cR Pum pelly, Prof. C. LS Riley, Dr. Joseph 
kay y, Prof. J. D. and E. S. Dana, = Re Edison, Prof. G. J. Brush, "Prof. Je Pp. Bo oke, E. B. Coxe, Agassiz Museum, 
Tard University Prof. A. & N. H., Prof. C. 8. Sargent, Prof. €. E. Bessey, lowa State Agl. “College , Dr. John 8. 
lings, Prof. Winchell, * le J. F. Newberry, D.8. Jordan, Prof. R. H. Richards, on en 8. ichards, Prof, 
us uae Prof. T. Sterry Hu ors &. Bement, Prof. A. E. Smith, Beloit College, Prof. G. A. Koenig, 
ie Lib rary Cincinnati, Cincinna . Seciety, M. Buisson, Minister of Inst ng ay Paris, France, Lan- 
(te 9 Malheiro Lisbon oe wt Prot, “Orton, Prof, Ira Remsen, Gen. A. Gadolin, Teg Behool o f Mines, St 
reburg, Nt Prof. i. 2 Nordenschiold Roy: al stone Stoekholm, Sweden, D icolo Mowe! Imperial 
seam, o de Jane eiro, A eaail, ish Museum, Ro 9 Mas seum Berlin, Dr: EB. Defferari ong, re 
; rsity, Malvers ity © California, Universtiy ot Ne a, Oregon 2 State Ce Ph Yale Colleg se, a iseonsin 
University: Columbia, Bees, Michigan University, Wellesley = lege, be Industrial Unity ¥, Massa- 
setts Institu e ser nology, Col. Scho ce of Mines, Univer: of Virginia, University of Miss ak ine 
te University. Minnes a State Normal School, Meqill College, hashes mh College ‘Chicago Unive arsity, Uni- 
ity of Notre Dame, Prints ston pagers “Ee. Johns Hopkins University, University of Georgia, Jniversity of Ohio, 
mmer School Boston, and many oth — Nevada, Washington Territory, Canada, Maine, Texas, Peru, Chi li, 
Sland, Brazil, env fe Austria, ete. 
Shells &c.—I ca jou of he is at the following low rates: 25 Genera, 25 species, $1.00; in box, 
50 ‘Genera, 100 ‘spec ies, $5.00; in box, $6.00. 100 Genera, 300 species, $25.00; 200 Genera, 1,000 species, 
#0); 250 Genera species, $500.00. 
Calais ogue Of 2,506 spe i of a made for by George W. Tryon, es sii has labelled nearly all my 
iis, Scents. inte on — paper "with genus label list, 10 cents. y have purchased one or two of the most 
tated collections known, and have now oer t 0 Ibs., Se species, aod 30,000 specimens of Shelis and 
2k stock. ai ag of a Rexe, Eye Seine, ete., 3 cents, Catalogues of various classes of 
“Atifie Books, 32 pv., ea. 3 cts. Medical Mocks. 80 pp., Pap (Please specify exactly what class of books 
wish catalogues of. 
pend for the Naturalist’s Leisure pec ees = fuli perie™ Specimen copy free. You will confer ~ 
fe favor by handing this hysician or other person interested in science. 
