40 
THE YOUNG SCIENTIST. 
EXCHANGES. 
Only those who are yearly subscribers, and whose names 
are entered on our books have the privilege of inserting ex- 
changes. 
Exchanges must be on separate slips of paper or postal 
cards. If mixed with business letters or cards they cannot 
be used. 
Exchanges must not exceed thirty words. 
Buying and selling belong to the advertising department. 
We reserve the right to omit the exchange column, whea 
we have not room for it, and the amount of space at our dis- 
posal will regulate the number of insertions given to each 
exchcmge, the preference being always given to those who 
have not previously used our columns. 
For exchange, pocket lantern and instruction 
books for cornet and clarionet; wanted History 
of the "Franco-Prussian War," and the "Lost 
Cause." C. W. Hughes, Shreve, Wayne Co., Ohio. 
Send for exchange list of insects, especially 
Coleoptera and Lepidoptera. Philip Laurent, 
621 Marshall St.. Philadelphia, Pa. 
I have Brown's heavy scroll saw attachment, 
worth $6, which I wish to exchange for a lathe 
chuck or offers. C. B. Kussell, Waterbury Centre, 
't- 
will exchange magnets, electric battery, as good 
as new, cost £3 in England, for plating battery and 
materials, or offers. F. Whitehead, Box 55, St. 
Augustine, Fla. 
American and foreign coins to exchange ; state 
what you have. W. J. Allen, 126 Twenty-third 
Street, Brooklyn, N. Y. 
1*0 exchange, fine imported game fowls of the 
best strain for Fleetwood scroll saw, compound 
microscope, telescope, magic lantern, shot gun, 
or offers. E. Alexander, Johnstown, Fulton Co., 
N. Y. Box 47. 
Wanted, scientific books, minerals fossils and 
Indian relics, in exchange for minerals, fossils 
Indian relics, shells, etc. ; send for lists ; corres- 
pondence in German and English. A, W. Baily, 
Box 712, Atlantic City, N. J. 
J. T. Bell, Franklin, Pa., has set of ivory chess- 
men, German flute, six extra keys, value $12, 
books, etc., to exchange for magic lantern, music 
box, guns, revolvers, or offers. 
Birds eggs and arrow-heads to exchange for 
fossils and minerals, and birds eggs ; send for my 
list. Clement G. Burns, Salem, Col. Co., Ohio. 
Minerals (zeolites, etc.), to exchange for other 
minerals ; state what specimens you have to ex- 
change. H. L. Clapp, 35 West Cottage St., Box- 
bury, Mass. 
Cabinet mineral specimens of Idaho in ex- 
change for books, minerals, curiosities, etc., etc. ; 
send for list and state what you have to exchange. 
P. Clough, Junction, Lemhe Co., Idaho. 
Type, in exchange for curiosities, fossils, etc. 
Geo. K. Fischer. 729 North 6th St., Philadelphia. 
Pa. 
I have some stamps which I would like to trade 
for stuffed birds, birds eggs and nests ; I am also 
open to an offer; send for list of stamps. A. G. 
G., Box 26, Summit, New Jersey. 
U. S. and foreign postage and revenue stamps 
for others; U. S. match and medicine especially; 
send list or sheet and I will do the same. B M. 
Hammond, cor. Elm and Live Oak Sts., Dallas. 
Texas. 
To exchange for 1 new Vol. II. Young Scientist, 
1 new Vol. I of ditto, and Prof. Bell's Lectures on 
the Telephone. F. H. Burger, Chester, Pa. 
I have 2,000 foreign stamps that I would like to 
exchange for others. F. Gushing. P. O. Box 178. 
Wattsburg, Erie Co., Pa. 
Wanted, a hand or self-inking printing press, 
small size, in exchange for books, magazines, 
pai)ers, etc. B. D. Howell, High Bridge, Hunter- 
don, Co., N. J. 
Demas lathe sea shells, rubber boots, Cali- 
fornia woods. Young Scientist and paper shells, 
for stencil dies, boxing gloves, revolver, foils, 
book on navigation, and manly arts. A. W. Port, 
San Diego, Cal. 
To exchange, an $8 Challenge self-inking print- 
ing press, chase 3x5 inch, for type or offers. Ad- 
dress, by sealed envelope. Wm. F. Hill, 666 Bergen 
St., Brooklyn. N. Y. 
To exchange, a $60 Wardwell (2 spool) sewing 
machine, nearly new, also a $3.50 stylographic 
pen, for coins and books, or offers. C. C. Bulkley, 
195 Sigourney St., Hartford. Conn. 
Wanted, to correspond with some one living 
near the ocean beach ; also some one living near 
any lead or copper mines. Ewing McLean, 
Greencastle, Ind. 
Wanted back numbers of "American Natur- 
alist" and "American Journal of Science and 
Arts " (Silliman's Journal), for beautiful speci- 
mens, named, of American ferns, mounted or 
unmounted. Box 16, Pine Plains, N. Y. 
An Official Printing Press, must be in good 
order, and type to make a complete printing 
outfit; state wliat is wanted in exchange. W. E. 
Cushman, Hartford, Ct. 
Minerals, birds eggs, shells, woods, stamps, 
nests, books, insects, etc., to exchange for coins, 
stamps, minerals, birds eggs, insects, and fossils ; 
send for my lists. Frank F. Fletcher, St. Johns- 
bury, Vermont. 
Wanted to exchange 1 copy of Instruction in 
Wood Engraving, or set of dozen prints, suitable 
for practice, for specimens of algae or minerals. 
S. E. Fuller, 25 Bond St., New York. 
Wanted, copy of book called Corner Cupboard, 
and other scientific books; state what is wanted 
in exchange. G. S. Griffin, Emporia, Kansas. 
Mosses from Germany, Colorado, and Illinois, 
also plants, Phsenogamous and Crytogamic, to 
exchange for other mosses, lichens, liverworth, 
or algae. East and South. Prof. P. Fr. Shuelke, 
Box 128, Pekin, 111. 
A large number of books, papers, and maga- 
zines, to exchange for type, printing material, or 
offers. J. T. Jackson, Box 48, Metuchen, N. J, 
Minerals to exchange for other minerals ; state 
what specimens you have for exchange. Samuel 
Wynne, Box 54, Phoenixville. Pa. 
Will exchange, for printing outfit or shot gun. 
6 years Nos. of Scientific American, with Supple- 
ment of 1876, 545 foreign and U. S. stamps. Art of 
Swimming, Instruction in Shorthand, and other 
books. W. A. Smith, West Randolph. Vt. 
Insect^ and butterflies from China ; state what 
is offered in exchange. Edward Laurent, 621 
Marshall St.. Philadelphia, Pa, 
Good Specimens of the 17 years' locust (17 year 
cicada), in exchange for any kind of insects, 
beetles, moths, or butterflies. Harry C. Beardslee, 
Painesville. Lake Co., Ohio. 
Birds eggs, books, foreign stamps, a good ham- 
mock, and revolver, to exchange for birds eggs 
and works on birds. F. D. Brown. Gallupville, 
Schoharie Co.. N. Y. 
A magic lantern with eight slides, cost $5, and 
other things, to exchange for scientific books, 
chemicals, or chemical apparatus, etc. A Camp- 
bell, Box 31. Derrick City, McKean Co.. Pa. 
Contributions to the Extinct Vertebrate Fauna 
of the Western Territories, by Joseph Leldy, 
Vol. I, in exchange for a similar work on Botany, 
F. O. Jacobs, Newark, Licking Co.. Ohia 
