PLATE I. 
DEVICES FOR UNDERSPRAYING TREES WITH INSECTICIDES. 
[From Ann. Rept. U. 8. Dept. Agr., 1883.] 
Fic. 1. Parts of hose-pole device for spraying trees: Bamboo pole,bb; drip-washer,j; hose,hz; side 
hook, v; eddy-chamber nozzle, n,m; spray, Z, 8. 
Fic. 2. Metallic hand-pipe with diagonal nozzle: Hose, h ; metallic pipe, t; diagonal eddy-chamber noz- 
Zle, n; itsremovable face, 7; spray, s 
Fie. 3. Barrel rest or skid: Two hoagie! alentel bb; two'side rests, aa; chamfered concave, ¢ ¢. 
Fic. 4. Stirrer-pwmp with barrel and mizxer-funnel in section; Funnel, wu; its cylindrical sides, gq ; 
funnel base, tt; spout, y (in bung-hole, k); gauze septum, d; barrel, k k; trunnions, t; 
trunnion-eyes, e; wedge, v; lever-fulerum, f; pump-lever,i i; swing of the lever-head and 
piston-top,a bc; cylinder packing-cap,e; cylinder,q; its swing,# y; stirrer-loop or eye, 
h; stirrer-bar, mn; rope, ww; bungs, 7, z. 
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