160 



GYPSY AND BKOWN-TAIL MOTHS. [Jan. 



discharge of different-sized nozzles under varying pressures. 

 The figures given in the following table are those of theoretical 

 vs. The actual discharges or constants are (54 per cent. 

 riui: nozzles and 82 per cent, for taper nozzles. 



T/uon tical Discharges (in U. S. Gallons of 231 Cubic Inches). 



