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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. First collection and 
book $r. Pos rer 25 cents., Add 
JSTAVE GUTTENBERG, 
Content Ai School, Pittsburgh, Pa. 
wW 
ANTED—To correspond with concholo- 
licates ; some 
eign. Address Mrs. Fallon Long Ashton Vic- 
arage, Bristol, Paian 
8 Sa n in Academy, Normal 
or High School, as teacher of the Natural 
Sciences and ane ta nguages. Latin taught 
in addition, if necessary. Address G., box 441, 
Hanover, N. H. 
COLLEGE PROFESSOR of Natural 
Sciences 
Address, C., Box 136, New Berlin, Pa. 
be 
EXCHANGE a a — 
F SCIENC 
TU 
890) ENGLISH ME- 
ood condition for binding; 
orris Typewriter. If you have a 
icroscope, Camera era, or anything else to offer, 
please send full description. 
E. R. CHADBOURN, LEWISTON, ME. 
| 
! OR SALE.—Beautiful sets of Fossil Plants 
| from the Dakota Group Cretaceous. On 
| reer of $3.00 I I forward, prepaid, to aay 
j ressin E 
and ieties of Dakota Plants. 
cain illustrating ih set. 
| ie the figu CH 
Send 5 “cents 
specimens will 
. H. STERNBERG, 
w 6o, Lawrence, Kans. 
ANTED—Hall’s works on Palæontology, 
and other works giving ge which show 
fossils r the Niagara Epoch. Address M. D. 
Sullivan, St. laai College, Chicago, Ill. 
onpa St., — A 
TANTED—Fo r Saia ae microscopic 
work, Polyps, Jelly-fish, oF other Di heed 
zoa, Actinozoa 
mata and Mol Cash or exchange gi 
JA aE Trinity College, Toronto, Can. 
pon E 
XCHA se Toga species of Union- 
from Spoon river, Ill. ; the finest in the 
world. Fine Helices land shells. 
Fifty species of bi ' eggs in full sets; Indian 
minerals, fossils, literature. 
Dr. W. S. STRODE, scr ILL. 
PAAS TEA E E e EEN 
INERALS TO EXCHANGE for others. 
' JOHN HOLL. ROLLO, 
Wilmington, L 
First-Class Ta Mounts 
at European Prices. 
25 cts. each. 
WM. N. Brecs, M.D., 
e a in Louis Med. College. 
2207 Sidney St, St Louis, Mo. 
