




ADVERTISEMENTS. z 

NOTICES: 

Notices for scientific societies and private individuals inserted under this head free of charge. 
For business houses, two cents per word. 

INERALOGY, — Course conducted by 
$ correspondence faa a and 
book $r. perd ap ent: 
GU VE AGTERS NB 
RG, 
ete pet School, ARED Pa. 

ANTED—To correspond with concholo- 
gists in America, especially in Pereri 
with a view to exchange. M tish land, 
fresh-water, and marine duplica some 
eign. Ad rs. Falloon, P Asht ton Vie- 
arage, Bristol, Engisnd. 

A i Sale aa ame in Academy, Normal 
r High School, as teacher of the Naturat 
Sciences and Modern Languages. Latin LRT 
in addition, if necessary. Address G., box 44 
Hanover, N. H. 

COLLEGE PROFESSOR of Natural 
Sciences and German, of four years ex- 
aes a aa ial Biological training received 

t the Universities of baa eipzig and Bonn, Ger- 
many, is aiko p i college Good 
references. 
Address, C., Box 136, New Berlin, Pa. 

2 = EXCHANGE, "o need 
889) AMERICAN JOURNAL O 
10 silanes (1880-18: 
we 
La] 
sal 
© 
i= 
2 
ic ame 
please send full description. 
. R. CHADBOURN, LEWISTON, ME. 
OR SALE.—Beautiful sets of Fossil Plants 
from the Dakota Group Cretaceous. 
receipt of ob ey I eah forward, prepaid, to any 
addressi 

es of Dakota Plants. Send 5 “cents 
ae ae itt the set. 
equal the figures. CHAS 
Box 60, Lawrence, Kans 

INERALS ‘hes OEE i for others, 
gnome ROLLO, 
ilmington, Delaware. 

OLUMES. 1. Hi. Hi. a iY; THE 
ERICAN Gilad ane in rs eass com- 
dition, bound in half Morocco, for sal 
$16.00. Address GEO. W. MACKAY. 
25 Congress St., Boston, Mass. 

W's NTED—For dissection and microscopic 
“re 7 Es — or oiner Hydro- 
zoa, Acti 

ange given. 
i x Speen pacity oriali cuenta Can. 

ATENON of a scientific school wishes 
a position to teach Geology and Biology in 
a college. She has had seven aao successful 
BOX 31, Specimen MASs. 

7 Ms £T 
OR EXCHANGE Many 

iana Unionidz, among which are Unios 
rutersvillenis, castaneus 
o 
asperrimus, and anodonta opaca. H 

OR EXCHANGE—fThirty species of Union. 
idæ from Spoon river, Ill. ; the finest in the 
world. Fine Hedices and other land shells. 
Fify species 7" birds’ eggs in full sets; Indian 

DR. W k TODE BERNADOTTE, ILL. 

7 ANTED—Hall's works on Paleontology, 

Would like other species of shells, fossils, and 
scientific literature in return 
T. WAYLAND VAUGHAN, 
T. LEBANON, La. 

New York, Kingston-on-Hudson. 
| Go.vEN Hic Scuoor, 
Jonn M. cross, Jidik. Principal. 
