Plate I. 
DEVICES FOR UNDER8PRAYING TREES WITH INSECTICIDES. 
[From Ann. Kept. U. S. Dept. Agr., 1883.] 
Fig. 1. Parts of hose-pole device for spraying trees : Bamboo pole, b b ,• drip-washer,;*,- hose, hx ; side 
hook, v; eddy-chamber nozzle, n, m ,- spray, z, s. 
Fig. 2. Metallic hand-pipe with diagonal nozzle : Hose, h; metallic pipe, t ,■ diagonal eddy-chambernoz- 
zle, »,- its removable face, i; spray, s. 
Fig. 3. Barrel rest or skid : Two coupling-cleats, bb,- two"side rests, a a ; chamfered concave, c c. 
Fig. 4. Stirrer-pump with barrel and mixer-funnel in section .- Funnel, u ,• its cylindrical sides, g g ; 
funnel base, t t; spout, p (in bung-hole, k); gauze septum, d ,- barrel, k k; trunnions, i; 
trunnion-eyes, e ,• wedge,?;,- lever-fulcrum, /,- pump-lever, i i ,• swing of the lever-head and 
piston-top, a 6 c,- cylinder packing-cap, c ,• cylinder, q ,- its swing, a; y ,• stirrer-loop or eye, 
h ; stirrer-bar, m n ; rope, w w ,• bungs, r, z. 
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