18 



INDEX TO ILLUSTRATIONS. 



Japy nozzle, I, 265, fig. 61. 



Machine for destruction of insects in mills, VII, 263, 



fig. 27. 

 Marseilles nozzle, construction, I, 266, fig. 62. 

 New Zealand triplet, I, 268, fig. 63. 

 Noel nozzle, I, 248, fig. 57. 

 Non-swarming device, Langdon, A', 231, 2.32, 233, 



figs. 31, 32, 33, 34. 

 Quajat's horizontal serimeter, I, 337, fig. 76. 



Riley, or cyclone nozzle, I, 244, fig. 54. 



Robinet's serimettr, I, 333, fig. 74. 



Spraying apparatus, designed bj' Dr. Roland Thax- 



ter, III, 39, fig. 3. 

 Standard serimeter, I, 336, fig. 75. 

 Univeisal spray tip, I, 245, fig. 55; 246, fig. 56. 

 Vermorel nozzle, I, 263, 264, figs. 58, 69. 

 A'ial holder ia use in U. S. National Museum, II, 



346, fig. 66. 



