394 REPORT 4, UNITED STATES ENTOMOLOGICAL COMMISSION. 
PLATE XXXIX. 
SIMPLE, LIQUID-POISON, NETHER-6PRAYEBS. 
(Reprinted from Report of Entomologist, Dept. Agr., for 1883.) 
Fig. 1. Nether-spraying, hand-pump apparatus; j Fig. 3. 
shoulder-loops, b; suspended reeepta- 1 
cle, k; hose, rhc; double-acting pump, Fig. 4. 
cx ; extension-pipe, i; nozzle and spray, 
s ; joint, u. 
Fig. 2. Same, substitutive, side-spray, eddy-cham- i 
ber nozzles, face view and section; | 
neck, a ; tangent-inlet, x ; chamber- Fig. 5. 
face, e ; base, c ; discharge, s. 
Same, substitutive, direct-spray, eddy- 
chamber-nozzle, /. 
Same, double-armed extension-pipe and 
trailing-fork ; stem-pipe, I; Y-fork, y ; 
removable protector, ej j spring rods, 
8ys; arm-pipes, i; nozzles, n; their 
swing, mm. 
Same, same, curved form. 
PLATE XL. 
HAND-PUMP AND BUCKET-PUMP SPRAYERS. 
(Figs. 1, 2, 3, adapted from patent drawings ; 4, 5, 6, original.) 
Fig. 1. The aquapult bucket-pump; cylinder, k; 
clawed bracket, b; piston-tube, p; 
handle, t; hose, h; nozzle, n. 
Fig. 2. The W. J. J ohnsou bucket-syringe ; suc- 
tion hose, zhio ; cylinder, Jfc; piston 
handle, m ; extra nozzle, n. 
Fig. 3. The aquaject bucket-pump. 
Fig. 4. The W. T. Vose Hydropult; suction hose, 
h ; cylinders, kk; piston handle, m; 
air-chamber, a; spout, e. 
Fig. 5. Eddy-chamber hand-pipe as stiff extension 
topump8poutsorhos6; union, e; joint, 
a ; swivel-neck, o ; spray, *. 
Fig- 6. Double-acting side-ejector hand-pump.with 
same; crooked hose nib, i • cylinder 
cap, c ; piston handle, hn. 
PLATE XLI. 
DIVERS LIGHT SPRAY-PUMPS. 
(Fig. 1 original; figs. 2, 3, adapted.) 
Fig. 1. Horse-back broadcast spraying apparatus ; 
the eddy-chamber sprayer extension 
pipe and hand pump (of Plate XXXLX, 
Fig. 2) combined with the J. Warner 
rubber poison bags. 
Fig. 2. The C. G. Korth crutch bucket-pump, in 
operation. 
Fig. 3. The P. C. Lewis combination bucket-pump 
and syringe. 
PLATE XLII. 
LIGHT BARREL PUMPS AND TANK- PUMPS. 
(Figs. 4, 5, original ; other figures adapted from patent drawings.) 
Fig. 1. The F. A. Helmeck air-jacket, return drip 
barrel-pump ; lever, c ; link-fulcruni, 
x; piston, b; cylinder, a; suction- 
valve, v ; ejection-valve, d ; air jacket 
chamber,*; discharge,^)'; drip-duct,/. 
Fig. 2. The J. G. Evenden ditto; handle, h; pis- 
ton, b- (jection valve, I; jacket air- 
chamber, e ; discharge, a ; drip-ducts, 
mn. 
Flo. 3. The T. K. Ball agitator ban -el-pump, par- 
tially shown; suction orifices, h; cyl- 
inder, b ; piston rod, c ; dasher rods, 
dd; dashers, kk. 
Fig. 4. The John Schier return drip tank-pump ; 
lever link-fulcrum, x; piston-rod, pp; 
cyUndor, c ; suction base, b ; discharge- 
pipe, a ; nozzle, n ; insertion-collar, e. 
Fig. 5. The C. Vogelsang spray-pump ; handle, h; 
cylinder, b; suction, a; air-chamber, 
d ; discharge-pipe, e. 
Figs. 6. 7, 8. Spray nozzles with the same. 
