164 
THE YOUNG SCIENTIST. 
Cats, Albinos, pink or blue eyes, each 3.00 to 5.00 
Rats, -white China, pink eyes, per pair 1.50 
'K^its, piebald, per pair 1.50 
Mice, white, pink eyes, per pair '. 0.50 
Mic^, piebald, per pair 0.50 
Prices Paid for Pet Stock l)y Dealers. 
Guinea-Pigs, per pair $0.40 
Squirrels, gray, each..., 0.50 
Squirrels, yTyz;^^, per pair 0.75 
White mice, per pair 0.15 
Monkeys, according to variety 15.00 up. 
MARINE AQUARIA STOCK. 
Purple Bermuda Anemone 2.00 
Fringed Sea Anemone, Medium-sized speci- 
mens , 1.50 
White- Armed Anemone 0.50 
Small Orange " 0.10 
Buccinum Snails, per dozen 0.25 
Silver Shrimp, each ... o.io 
Small Hermit Crabs, each 0.15 
Small Spider Crabs (decoratkig) o. 15 
Very Small Edible or lilue Crabs 0.20 
Barnacles, each 0.15 
Nest-Builduig Stickle-Backs, three and nine- 
spined, per pair 0.30 
Sheepshead Lebia fish 0.25 
Killie-Fish o 10 
Eels 0.10 
Sea-Horses, each 3.00 
Pipe-Fish, 0.25 
Serpulae, per mass 0.75 
Small Edible Mussels, per mass 0.25 
Sea Cucumbers i.oo 
Sertularia, per mass .... . 0.25 
Tubulana, per mass *. 0.25 
ALG.E (sea-weeds), FOR THE MARINE AQUARIA. 
Ulva, per mass 0 25 . 
Solaria, " 0.25 
FRESH WATER AQUARIA STOCK. 
Stickle Backs, r>Jest-buildin 
Plants, per bunch 0.15 
Shells, per quart 0.50 
Small Dip-Nets o 50 
Aquaria Cement I lb. box 0.30 
Valisneria Spiralis, per bunch 
Nitella-FlexiHs, 
Anacharis, " .. u. js , -itt ^ « 
Ball Plant (Utricularia) o. 15 j Aquanum 
Small Rock Sun-Fish, Rock-Fish, Sun-Fish, 
Dace, Cat-Fish, Tadpoles, Eels, Liz- 
ards, each. 0.05 
Gold- Fish, medium size. 0.15 
per pair 0 30 
Small Turtles, each 0.25 
Snails, per dozen o. 10 
Frogs, each 0.15 
Fresh-Water Mussels. . 0.05 
0-25 1 Yor the Microscope 
' ° ^""^ Fresh 
These are all varieties of 
the golden 
carp 
or gold-fi.sh. 
fountain size. 0.25 
" very small. . . 0.15 
" three-tailed.. 0.50^ 
Pearl-Fish 0.25 
Silver- Fish o 05 
Japanese King-gio 2.00 
Prices Paid hy Dealers. 
Aquarium fish, per hundred 1.50 
Gold Fish, per hundred 5.00 to 6 00 
Aquarium Plants, pei hundred bunches 2.00 
BEAUTIFUL AND INTERESTING AQUATIC AND 
SEMI-AQUATIC PLANTS FOR ORNA MENTA- 
TION OF PONDS, LAKES, AQUARIA AND 
FOUNTAINS. 
White Water-Lily, per root 0.25 
Yellow " " 0.25 
Arrowhead Lily, 6 plants 0.25 
Calla-Lilles 0.25 
Pitcher-Plants, per root o. 25 
Fresh- Water Cattails, per root 0.25 
Giant Rush " ' 0.25 
Floating Heart (Limnantheum), per root 0.25 
Calamus (sweet-flag), per root 0.25 
Water-Cress, cuttings 0.25 
Jack-in-the-PuIpit, 6 bulbs 0.25 
Lobelia Cardinalis o 25 
Large, Showy Blue Lobelia 0.25 
Water Violet (very curious) o. 25 
Antipyretica Gigantia, interesting 0.25 
" Fontinallis, interesting 0.25 
The Water Net 0.25 
Large Living Frogs o.io 
SHELLS. 
Collections of small cabinet" shells for schools, private 
cabinets, range from $5.00 to $50.00. 
Mother-of-pearl shells, for painting, 75 cts. to $1.50. 
Single specimens of cabinet shells range from 15 cts. each 
to $3.00. 
Masses of corals, 25 cts. to $3.00. 
Green snail and cowry, with the Lord's Prayer engraved 
on them, 50 cts. to $2.50 each. 
Conch shells, for mantels or hearthstone ornaments: West 
India Conch, 25 cts. ; East India Yellow Helmet, $1.00 to 
$2.50; Bahama Black Helmet, 50 cts. to $1.50; Bahama 
Hatchet Helmet, 50 cts. to $1.25. These shells are also for 
cameo engraving. Zanzibar Cameo, 25 cts. to $1.00. 
Ground and polished shells : New Zealand Green Ear, 50 
to 75 cts. ; New Zealand White Ear, 50 to 75 cts. ; Japan 
Black Ear, 50 cts. to $1.00; California Red Ear, 75 cts. to 
$1.25. 
Fine shells for fancy work, according to colors and variety, 
per quart, $1.00 and up. 
EXCHANGES. 
"Crystallography*' (40c.); "Electricity'* (40c.): "Se- 
lection and Use of Microscope," abridged, (30c.) Either in 
exchange for " Workshop Companion," or two for " The 
Microscope," by Ross, or offers. C. H. Denni.ston, Pul- 
teney, N. Y. 
A printing-press, chase 5^ by 7 inches, in good order; 
will exchange for a large self-inking press or type. A. W. 
Barrett, Canajohaiie, N. Y. 
Home Medical Battery, cost $7 ; Lemair's Field-Glass, 
No. 2202 of Queen's Catalogue, cost $15.50: Achromatic 
Spy-Glass, power 25 times. To exchange for books or 
offers. Emerson Heilman, Heilmandale, Pa. 
Silver watch, key-winder and Home Works, for good mi- 
croscope or offers. Wm. Hodgson, 128 Man gin St., New 
York City. 
A small collection of coleoptera, comprising 100 .species 
and 300 specimens, all correctly named, in exchange for 
bird-skins, insects, books, or eggs. Emil Laurent, 621 Mar- 
shall St., Phila., Pa. 
A small magic lantern. Ruby pattern, with twelve slides, 
for a good book on Entomology, with illustrations. Willie 
R. Hotchkiss, Morrisdale Mines, Clearfield Co., Pa. 
Wanted, Thompson's " Witchery of Archery." Must be 
in good condition. Write before you send. J. Anthony, 
Jr., Coleta, Whiteside Co., Illinois. 
A telescope worth $3.50, for a self-inking printing-press 
and outfit: chase not le.ss than 2% by 3% in. Eddie Judd, 
260 Connecticut St., Buffalo, N.Y. 
To exchange for offers: $20 scroll-saw, Seneca Falls 
make, $4 Bailey circular plane, set of Auburn metallic 
planes, Ijrass-bound four-foot rule, fourfold, Traut's patent 
combined plow, dado, etc., cost $7. F. A. Rappleye, P.O. 
Box 12, Farmer Village, Seneca Co., N.Y. 
Bee Hive wanted; one of the old-fashioned straw 
' skeps"; say what you would like in exchange. Apis, 
care of Young Scientist, 49 Maiden Lane, N. Y. 
A first-class type writer, in excellent condition, cost 
$125.00, to exchange for good microscope, telescope, or 
valuable. scientific books ; send full particulars. A. B., Box 
114, Lewiston, Maine. 
A $30 stencil outfit (Spencer's) for a self-inking printing 
press in good condition, chase about 6 xq; rich ores and 
minerals of Idaho for scientific and instructive books, print- 
ing press, type, etc. J, P Clough, Junction, Lemhi Co., 
Idaho. 
Wanted pyrites of iron from Colorado gold mines in ex- 
change for sea shells and other gems: send Hst of what you 
have to exchange. S. Ferguson, Eureka Springs, Arkansas. 
A banjo in good condition, two pairs of rosewc'od bones, 
three splendid games, and a fine set of drawing instruments, 
for a good cornet, viola, violincello or double bass. L. B. 
Hill, Kalamazoo, Mich. 
