THE NATURALISTS’ COMPANION. 
41 
EXCHAJiGES. 
THIS column is open to all subscribers, who may insert 
exchanges free of charge. NO advertisements admitted to this 
column under any circumstances, and we shall reserve the 
right to Insert no exchanges which are merely intended to se¬ 
cure cash purchasers.--Ed. 
R D, Goss, New Sharon, Iowa.-— 
Fossil shells, corals, encrinite stems, 
crinoid stems, oolite, etc., for fossils 
from other states, or anything s ait- 
able for a cabinet collection. 
J. Allen, Jr., Lake View, Cook 
Co,, Ill.—Eggs and newspapers to 
exchange. A collection of 100 tin 
tags to exchange tor specimens ot 
any kind. Write first. 
Eugene Caldwell, North Stam¬ 
ford, Farfield Co., Conn.—Fine cab¬ 
inet specimens of albite, rnicrocline, 
beryl, spodumene, gypsum, garnets 
in mica schist, muscovite, curved 
mica and rose quartz to exchange 
for good specimens of other miner¬ 
als. 
Fred Borghalthaus, Lawrence, 
Kansas.—I have beetles and butter¬ 
flies of this state to exchange. 
Box 152, La Hoyt, Iowa.—Min¬ 
erals for stamps, coins, novels, In¬ 
dian relics, confederate bills and all 
kinds of curiosities. 
Arthur Nbvill, Breslau, Sufiblk 
Co., N. Y.—A scroll-saw, hand 
powmr, steel bow, wood handle, 12 
extra saw blades, 29 patterns, only 
used once, for the best ofier of a 
parrot. A book called ‘‘The Hog 
Cruso,” several price-lists and mag¬ 
azines, including Harpers’ Weekly 
in mourning for Gant, stamping out¬ 
fit (any name), 4 old IT. S. postal 
cards, fossil shells, and a few^ other 
curiosities; directions how to make 
and use sensitive paper, 431 post¬ 
marks, (276 var.), 2 real agates, 6 
different foreign coins, and 2 live 
land turtles, separately for rare post¬ 
age stamps or good oflers. 
Warren Carter, Wallingford, 
Ba.—Fresh and salt water shells, all 
correctly labelled, from this vicinity 
and California ; fossils, minerals, 
and natural history specimens, in¬ 
cluding a few birds’ eggs (Gambel’s 
quail), and 17 year locusts, all in 
first-class condition, and correctly 
labelled, for marine and other speci¬ 
mens. No postals wanted. 
Frank Boll, 102 Saratoga ave., 
Rochester, N. Y.—A piece of ele¬ 
phant tusk 3x4 in.,a piece of glass of 
Grant’s casket | in., a piece of the 
led it was lined with 1x1 in., a piece 
of sugar-cane 3 in., a book, “Janet’s 
Repentance,” and a six-pence book, 
“Mabel Vaughan,” from London; 
“Havie’s Egg Check List,” for coins, 
U. S.half-cents and foreign coppers. 
No silver coins wanted. 
We will give our subscribers 20 
Cunts for every new subscription 
they send us. 
We have a number of articles 
written by our friends for this paper, 
which were crowded out of this is¬ 
sue, but will appear in the next. 
The Curios and Young Natural¬ 
ists’ Journal are soon to make their 
appearance, 
James C. Jay, of La Hoyt, Iowa, 
is to issue Tue Curiosity New^s Oct. 
25th. The more the merrier. 
It is estimated that if the earth 
should come into contact with an¬ 
other heavenly body of the same 
size, the quantity of heat developed 
would he sufiicient to melt, boil and 
completely vaporize a mass of ice 
fully 700 times that of both the col¬ 
liding worlds—an ice planet 150,000 
miles in diameter. 
