THE YOUNG SCIENTIST. 
322 
employed, and the manner of putting: the house 
up, as I wish to do all the work on it myself, not 
beiu^,' rich enough to employ a regular me- 
chanic ?— New Hampshire Boy. 
124. Ought a clever boy, 16 years of age, be able 
to construct a cheap and comparatively correct 
barometer ? If so. how ought he to go about the 
work.— Weatheewise. 
125. I am taking lessons on the violin, and 
would like to know something about the instru- 
ment I am learning to play on, and also what are 
the peculiarities that make what are called the 
" good points " of a violin ?— F. K. Danbury. 
126. How can I bore or drill a hole through a 
glass plate ?— Puzzled. 
127. I have a pet dog— a little English terrier— 
also a canary; both are ill, and seem pining 
away. I don't know what is the matter with 
them; can any reader suggest anything that I 
can do for them ?— Daisy, N. J. 
128. If some one will answer the following ques- 
tions I will feel obliged : (1) What is good for re- 
moving dandruff from the scalp ? (2) How may I 
remove grease spots from a Cashmere garment '? 
(3) What will remove ink stains from cloth ?— 
Daisy, N. J. 
129. (1) When and where were the first bicycles 
and velocipedes made? (2) Who first adopted 
the india-rubber tires ? (3) Does a plated ma- 
chine keep clean easier than a polished one ? 
(4) How can I keer> the spout of my oil can from 
getting choked up ?— Cyclist, Orange, N. J. 
130. I have seen somewhere an account of what 
ahorse can do in a given time. I would like to 
see the item referred to in print in the Young 
Scientist ; if any fellow reader who may have the 
item in his possession, will forward it to you for 
publication, and if you will be kind enough to 
publish it. I am sure it will be interesting to 
matiyof your readers, besides a — Farmer Boy 
N. Y. 
131. How are cameos made, nnd what do por- 
traits in cameo cost.— Little Maiden, Mich. 
132. C. H. P., E. S., L. V. M., and several others 
would like to have designs of monograms in 
rustic style of the above letters. We have also a 
number of other requests for monograms in 
various styles and combination. We will publish 
a whole page of monograms in our January 
issue, in which we will try and illustrate most of 
those asked for. In the mea,n time, we hope 
those of our friends who are able to design will 
send in such combinations as they may see fit.— 
fED.l 
Retail Prices. 
IMPORTED CAGE BIRDS. 
Canaries, Belgian, per pair $6.oo to 15.00 
" per pair 6.001015.00 
Gerjna7i, Hartz Jilts., each 2.50 to 1 0.00 
Gold Finches, each 1.50 
Gold Fin h (mules), each 2. 50 to 5.00 
Bull Finches, not trained, each 2.50 
Bull Finchfs, trained to sing two tunes, each. 10.00 to 40.00 
African Finches, per pair 2.50 to 5.00 
Chaffinches each 1.50 
Talking Mino or Mina 10 00 to 25.00 
Linnets, each 1.50 to 2.00 
Linnets (mules), each 2.30 to 5.00 
Green T>innets, each 1.50 
Java Sparrows (bine), each 1.50 
Java Sparrows (white), per pair 6.00 to 8.00 
English Sparrows, per pair i.oo 
Siskins, each i.oo 
Gray Cardinal, each 4.0010 5.00 
Nightingales, each 8.00 to 25.00 
Japanese Nightingales, each 5.00 to 10.00 
Thrushes, each 5.00 to 7.00 
Skylarks, each 5.00 
Troopials, each 7.00 to 12.00 
European blackbirds, each ■ 5 oo to 7.C0 
Black-caps, each 4.00 
Starlings, e^ch 4.00 to 6.00 
PARROTS. 
Gray Parrot 10.00 t(> 15.00 
Single Yellow-Head Parrot 8.00 to 12.00 
Double Yellow-Head Parrot 10.00 to 15 00 
West Indian " 4.00 to 5.00 
Cockatoo (white) 1 8. 00 
Australian Shell Paraquets, per pair 6.00 
"Love Birds," African Paraquets, per pair. . . 6.00 
West Indian Paraquets, per pair 3.00 to 5.00- 
All birds that are accomplished singers or talkers bring 
high and "fancy" prices. Parrots are rated by the num- 
ber of words, sentences, and tunes they have learned. 
AMERICAN CAGE BIRDS. 
Canaries, each 2.50 
Mocking Birds, females, each i.oo 
" " smger.s 12.00 to 2S.o(> 
Robins 2.50 to 5.0a 
Blue Birds ("Blue Robins") each... 1.50 
Indigo Birds, each i.oo 
Nonpariel, each 1.50 to 2.00 
Virgmia Cardinal, each 2.50 to 3.00 
Boboli-nks, each 1.50 to 2.00 
Yellow Birds, each 1.5010 2.00 
Pieces Paid by Dealers. 
Robins, per hundred ... 12.00 
Biue Robins (Blue-Birds), per pair ... 0.35 
Indigo Birds, each 0.50 
Bobolinks, per dozen 3.00 
Yellow-Birds, perhundred ..12.00 
Orioles, per hundred 25.00 to 35.00 
Virginia Cardinals (Red-Birds), each 0.75 to i.oo 
Nonpareils, each. . o. 75 
Blue-Jays, each 0.35 
Scarlet Tanagers, each i.oo 
Red-Wuiged Starlings, or Black-Birds, each.. 0.25 
Woodpeckers (" H gh-Holers"), each i.oo 
Partridges, each 1.50 
Cranes, each (according to variety) 10.00 to 20.00 
Wood-Ducks, per pair 2.50 
Wild Bronze Turkeys (one cock, two hens) 10.00 to 15.00 
FANCY POULTRY. 
Guinea or Pea-Hens 12.00 
Pheasants, English, per pair .20.00 
" Golden, " ... 35-oo 
" Silver, " 30.00 
Pea-Cccks, per pair 20.00 to 75.00 
Bronze Wild 'I'urkeys 15.00 to 20.00 
White Turkeys 10.00 to 15 00 
Bantams, trio 3.00 to 10.00 
Ring-Doves, per pair 1.50 
Pigeons, common, per pair 0.75 
" all white, cojHjnon, "p&r "pair i.oo 
BIRD FANCIERS' MATERIALS. 
Breeding Cages (double) 1.50 to 4.00 
Trap Cages 0.75 
Wire " painted 0.5010 4.00 
Wood and Wire Cages 1.5010 4.00 
Prepared Bird Food, per quart 0.30 
Bird Gravel, per quart 0.05 
German Rape Seed, per quart 0.20 
Canary Seed, per quart 0.20 
McAllister's Mockmg-Bird Food, ilb. jar 0.35 
" Canary-Bird Food, ilb. box 0.20 
" Mixed Bird Seed, ilb. box o.io 
" Extra Silver Bird Gravel, qt. box. o.io 
McAllister's Prepared Fish Food, per box o.io 
" Song Restorer, for birds, per hot. 0.25 
McAllister's Bird-Lice Destroyer, in patent 
bellows box 0.25 
McAllister's Bird Lime, per box 0.25 
Cuttle-Fish Bone, each 0.05 
Meal-Worms, per htmdred 0.40 
Nest Boxes, wire and tin, o.ioto o 
Nest Material, per bunch o.io 
