68 THE OREGON 
Queries and Replies. 
[We invite contributions to this column from 
any subscriber who has a question to ask, or 
who can answer a question asked by some one 
else. The only condition will be: the utmost 
brevity consistent with clearness of statement, 
and that questions are not asked that can read- 
ily be answered by consulting a dictionary or an 
encyclopedia. ] 
(1) What can I use to prevent my gun from 
rusting when using on the salt water. 
M. Astoria. 
(Ans. toI1 ) When not in use cover with a 
thin coating of Blue Ointment, Uxguentum 
hydrargyrt. V% Mercury. 
(2) At what place in Oregon was the recent 
find of Zeolites made, and by whom? RN. Jr 
If You 
Have 
Curiosities SALE : 
Advertise 
In Th 
Oregon 
Naturalist. 
IT!) GORSST ere cols 
LECTORS iNgeevVERY 
STATE ING Poe ONION! 
AND TO THE MAJOR- 
IBS beh pao Ga COLLECTORS 
ON THE PACIFIC COAST 
FOR 
NATURALIST. 
Books for Naturalists. 
“Our Common Birds and How to Know 
Them” by J. B. Grant, 64 plates, cloth 1.65 
“Flow to Know the Wild Flowers,” by Mrs. 
W.S Dana, fully illustrated. cloth 1.65 
‘Our Own Birds,” a familiar natural history 
of the birds of the U. S., by W. L. Baily, 
Illustrated, cloth 1.25 
“*Practical Taxidermy and Home Decoration,” 
by J. H. Batty, cloth ; 1.50 
“Taxidermy Without a Teacher,” by W. P. 
Manton, cloth .50 
#&'Sent post-paid on receipt of price by, 
Stuart & Thompson Company, 
BOOKSELLERS & STATIONERS, 
269 and 271 Morrison St. 
PORTLAND, OREGON 
Any other works guoted on application. 
= Keystone Mineral Gollection 
Containing 20 Specimens. size 1xr}4 in., labeled, with 
name and locality put up ina partitioned box and sent 
. by mail prepaid for §5Oc., List for stamp. 
ISAAC S. KIRK, Fremont, Chester Co., Pa. 
FOR EXCHANGE. 
LOOK.—For eggs in sets with data, catalog- 
_ued from 6 cts up, or Minerals or Shells, to the 
to the value of 50 cts, I will send a formula for 
making a liquid that petrifies wood or any por- 
ous substance. Frederick Ifill, Lyme, Conn. 
Exchange. —Sets and singles of this locality 
Sets 
of water birds and birds of prey especially de- 
Geo. S. Greene, 1447 Tample St. Los 
Angeles, Cal. 
to exchange for sets from other localities. 
sired. 
BICYCLE.—Will exchange an 1893, West- 
ern Wheel Works, 24, inch cushion tire, 
Suitable for 
boy of 13 or 14 years of age, for a 22 calibre 
Winchester or other good rifle, one that shoots 
to kill. Bicycle needs repairing to the amount 
of $3.00. I paid $45.00 forit. F. W. German, 
392 Morrison St. Portland Ore. 
Safety ball-bearing throughout. 
