394 REPORT 4, UNITED STATES ENTOMOLOGICAL COMMISSION. 



PLATE XXXIX. 



SIMPLE, LIQUID-POISON, NBTHEK-SPBATERS. 



(Eeprinted from Keport of Entomologist, Dept. Agr., for 1883.) 



Fig. 1. Nether-spraying, hand-pump apparatus; 

 shoulder-loops, 6; suspended recepta- 

 cle, k; hose, r^c; double-actlng pump, 

 ex ; extension-pipe, i; nozzle and spray, 

 S-, joint, u. 



Fig. 2. Same, substitutive, side-spray, eddy-cham- 

 ber nozzles, face view and section; 

 neck, a; tangent-inlet, x; chamber- 

 face, e ; base, c ; discharge, s. 



Fig. 3. Same, substitutive, direct-spray, eddy- 

 chamber -nozzle, /. 



Fig. 4. Same, double-armed extension-pipe and 

 irailing-fork ; stem-pipe, I; T-fork, ?/; 

 removable protector, ej ; spring rods, 

 sys; arm -pipes, i; nozzles, n; their 

 swing, 7nm. 



Fig. 5. Same, same, curved form. 



PLATE XL. 



HAJTO-PUMP AND BUCKET-PUMP SPRAYEKa. 



(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. Johnson bucket-syringe ; suc- 

 tion hose, zhio; cylinder, k; 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, «. 



Fig. 5. Eddy-chamber hand-pipe as stiff extension 

 topump spouts or hose; union, «; joint, 

 a ; swivel-neck, o ; spray, s. 



FiG. 6. Double-acting side-ejector hand-pump, with 

 same; crooked hose nib, i; cylinder 

 cap, c ; piston handle, hn. 



PLATE XLI. 



DIVERS LIGHT SPRAT-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 XXXIX, 

 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-fulcrum, 

 X; piston, b; cylinder, a; suction- 

 valve, t>; ejection- valve, d; air jacket 

 chamber, e; discharge, fj; drip-duct,/. 



Fig. 2. The J. G. Evenden ditto; handle, h; pis- 

 ton, b; ejection valve, I; jacket air- 

 chamber, e ; discharge, a ; drip-ducts, 

 mn. 



Fig. 3. The T. K. Ball agitator barrel-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; 

 cylinder, c ; suction base, b ; discharge- 

 pipe, a ; nozzle, n ; insertion-collar, e. 



Fig. 5. The C. Vogelsang spray-pump ; handle, h ; 

 cylinder, 6; suction, a; air-chamber, 

 d ; discharge-pipe, «. 



Figs. 8, 7, 8. Spray nozzles with the same. 



