naturalists’ quarterly advertiser. vii 
Cornered eyes, and eyes with elongated pupils, for Deer and other large 
animals, 50 per cent, higher than the list. Albino eyes, double rates. 
Ten per cent, discount on orders for eyes over five dollars. 
Flfteeii per cent, discount on orders for eyes over ten dollars. 
Postage additional. 
In ordering eyes by mail mention color, and size, and give full Post- 
office address. Always send full amount to cover cost of eyes and return 
postage. A diagram of sizes of artificial eyes sent on application. 
SCAEPEES, etc. 
1. Dissecting Scalpels, (ebony handle) . . . . . . $ 75 
2. “ “ (Cartilage knife, steel handle.) . . 75 
3. Eye knives, (very fine) ........ 1 50 
SCISSORS. 
1. Dissecting Scissors.. $1 00 
2. “ “ fine.1 25 
3. “ “ very fine.. . 1 50 
These scissors can be had straight or curved at the same price. 
EGG DRILLS. 
Steel, small size.. $ 40 
“ medium “. 60 
“ large “.75 
MOW PIPES. 
Brass or nickle plated, straight or curved.$ 50 
A VALUABLE SPECTROSCOPE EOR SAEE. 
A RARE OPPORTUNITY TO OBTAIN A 
First Olass Instrument Cheap. 
Browning’s Universal Automatic Spectroscope with six prisms, 
best Pilar Micrometer, Battery of eight eye-pieces. By means of the 
reversion of the ray, any dispersive power, from two to twelve prisms, 
can be used at pleasure without deranging the adjustments of the instru¬ 
ment. 
IPrice reduced from $325 to $200. 
We have in stock a large collection of 
DIED SKIES, 
which we offer for sale. 
Skins for Study at much Reduced Rates. 
Send list of what is needed and we will quote prices. 
We also have on hand an extensive 
COLLECTION OF MINERALS. 
Persons in want of such material will do well to correspond with us. 
WAITED. 
Volumes 2 and 26 in paper, of the Proceedings of the American Associ¬ 
ation for the Advancement of Science, for which we will pay 75 cents 
per copy. 
