1917 



EXTOMOLOGiLAL SOCIETY 



39 



The unsatisfactory results obtained by ]\Ir. KydJ and, as I am informed, by 

 many other men in the United States, show that it wuuhl he very unwise to recom- 

 mend unreservedly the dust spray as a substitute for the lime-sulphur and arsenate 

 of lead. 



As weather conditions are the chief factors determining the amount of scab, 

 I have inserted here the weather record from April 23rd to June 25th, during 

 which time all the scab infection of the season took, place. 



P.M. 



Temperatures 



Maximum Minimum Precp'n. 



Slight rain, dull 



Sunny and warmer . . 

 Cloudy, with little rain 



towards night 



Bright, distant thunder 

 Mostly bright, turning 



colder 



28 



29 

 30 



Early fog to 8 a.m., 

 bright Warm and bright 



Beautiful and bright. 

 Bright and pleasant 



May 1 'Cloudy, with small 

 1 amount of fog 



2 Bright and cool 



Rain and cool, N. 



9 

 10 



11 



12 



i:^ 

 14 

 15 



lf5 



Bright and fair 



Early morning bright, 

 cloudy about 9 a.m., 

 Strong S. winds 



Fairly bright. few 

 clouds 



Fine, warm and clear.. 

 Rain, clearing at 10 a.m. 

 Bright and cool, W. . . 

 Rain until 12 a.m 



Bright and breezy . . . 



Bright and cool 



Sunny and warm 

 Mostly bright with few 

 clouds 



Bright and windy, S. 

 W., light showers at 

 night 



Mostly bright. North 

 breeze, apple leaf 

 buds beginning to 

 open 



Dull, very little rain 

 and cool 



Bright, W 



Some clouds 



Bright, cool breeze, E.. . 



Dull and cool 



Rain 5 to 8 a.m., turn- 

 ing brighter 



Very light showers in 

 early morning 



Some clouds, but sunny 



at times 



Fine, warm and clear 



Bright and breezy 



Bright, breezy, cool, W. 

 Very little rain, mostly 



cloudy 



Bright and very windy, 



W 



Bright, breezy and 



slightly cool 



Bright and warm 



Rain all p.ni 



Dull, misty, damp 



moder- 



and 



Rain all p.m.. 



ately heavy . . 

 17 Cold, cloudy and damp, Cloudy, colder 



windy 



Cloudy, windy & chilly 



Clear ' 



Bright and fairly warm 

 Bright, turning cloudy. 



ICloudy. windy & chilly. 

 Cleared about 8 a.m. . . 

 Bright and fairly warm 

 Bright and fairly warm 



49 

 .^l 



51 

 57 



52 



59 

 60 



71 



72 



72 



72 

 72 



72 



50 



5() 



56 

 55 

 62 



60 

 60 



39 

 40 



42 

 41 



42 



39 

 42 



42 



45 



39 



37 

 41 



47 



41 



43 



45 

 40 

 40 

 38 

 39 



.10 

 .35 



.20 

 ,19 



.23 



.22 



.97 



.14 

 .07 

 .11 



