A ""r CORRESPONDENTS. 



E.R.M., LeMars, la. Asks how to gild ivory- 

 immerse in a solution of nitro- muriate of gold, 

 aDd then expose it to hydrogen gas while damp. 

 Washjit afterwards in clean soft water, 



J.T.Koot, Hermosa, S D. The Golden Eagle 

 is occasionally seen in Nebraska and is recored as 

 breeding in two counties. 



E.Adams, Philo, 111. Browning for gun bar- 

 rels: — Spirits of nitre, lit?; alcohol, lib; corrosive 

 sublimate, 1 oz; mix in a bottle aDd cork for use. 

 Directions: polish the barrel perfect; then rub it 

 with quick lime with a cloth; now apply brown- 

 ing fluid with a clean white cloth, apply one coat 

 and set it in a warm dark place for from 10 to 20 

 hou; s until a red rust forms on it: then cord it 

 down with a gunmakers cord, and rub off with 

 a cieaa cloth. Repeat the process if you want a 

 dark bhade. This will not answer for twist bar- 

 rels. 



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Chas.Redvers, Duluth, Minn. The nidincation 

 of the White-winged Crossbill is very similar to 

 that, of the American. We have no record ot its 

 nesting in Minnesota. 



