200 NATURAL HISTOEY BULLETIN" 



Bate of Evaporation from Evaporating Pans. 



Cup Evaporimeters. The cup evaporimeters failed several 

 times through accidents, and the record is not complete. Elim- 

 inating the manifest errors the record for stations 1 and 2, where 

 these evaporimeters were used, shows the following losses : 



Piche Evaporimeters. The Piche evaporimeters at stations 

 1 and 2 gave the following total results : 



