ADVERTISEMENTS. tt 
NLT EQ ooo. 
Notices for scientific societies and private individuals inserted under this head free of charge. 
For business houses, two cents per word. 
INERALOGY. — Course conducted 
correspondence. First collection and 
a S cents. Aiie 
GU VE GUTTENBERG, 
Yee =M School, EN, } Pa. 
PY gata in Amesi correspond with concholo- 
gists in America, especially in California, 
change. M British land, 
e for 
ri 
ress Mrs. Falloon, Long Ashton Vic- 
ange, Bristol, an nd. 
O oiegega in Academy, Normal 
or High Sch sani as teacher of the Natural 
Sciences and Modern Languages. Latin taught 
in addition, if nT Address G., box 441, 
Hanover, N. H. 
eee PROFESSOR of Natural 
an 
many, is open for a position in a college. Good 
ces. 
Address, C.; Box 136, New Berlin, Pa. 
OR SALE.—Beautiful sets of Fossil Plants 
from the Dakota Group Cretaceous. On 
oe of soy I ~ satin. prepaid, to any 
and varieties of Dakota Plants. Send gc 
for plate illustrating aye set. The specimens ‘oi 
equal the figures . H. STERNBERG, 
ox 60, — Kans, 
Waste ED—Hall's works on Palscontology, 
nd other works giving plates which show 
fossils of the Niagara Epoch. Address M. D. 
Sullivan, St. Ignatius College, Chicago, III. 
2 i/e 
ys TEE I., II., III., and IV., of THE 
RICAN NATURALIST, in first-class con- 
Pit pas in half Morocco, for sale. 
$16.00 dress GEO. W. MACKAY, 
25 Con — St., Boston, Mass. 
ANTED—For dissection and microscopic 
work, Polyps, ero or other Hydro- 
zoa, Actinozoa, and Cte eare Echinod 
mata and Mollusca 
J. A. Leighton, Trinity spe aai. Can. 
HAVE FOR EXC HANSE: for other shells 
la 
OR EXCHANGE —4z4 Volumes (1883- m or land, very fi ms o 
1889) AMERICAN JOURNAL OF SCIENCE Unios trigon, occidens, AEE lacrymosus, 
= (a 1889) AMERICAN NATUR simus, rectus, ala acilis, turberculata, 
ALIST ; 21 volumes (1 ) E SH ME- | ventricasus ; arga ai; com- 
CHANIC; all in good condition for binding; | p/anata, ru, gib others na- 
also, Morris Typewriter. If you have a good nta PERE and suborbiculata. wil send 
Microscope, Camera, or anything else to offer, | six o ful Anadonta suborbiculata by 
Please send full s ae 
E.R. CHADBOURN, LEWISTON, ME. aW. ode ‘STRODE, BERNADOTTE, ILL. 
New York, Kingston-on-Hudson. 
ealfoveiyothetins | (OLDEN Hitt Scuoor, 
rtrd tpiece is played with 
belis and het ed moras a4 lib.) A Preparatory 
School for 
$450 Per Annum. 
JOHN M. CROSS, A.M., Principal. 
