EIGHTEENTH ANNUAL MEETING. 55 



on the hillsides in the growing of apples, on account of cer- 

 tain climatic conditions? 



Mr. Wood, of Massachusetts : I have raised apples on the 

 banks of the Connecticut and have carried ofif prizes at a good 

 many county fairs. My apples are larger than those raised 

 on the hills : this year they were over-ripe because we had so 

 much dry weather. 



At this point Vice-President Rogers took the chair and 

 introduced as the next speaker Professor H. A. Surface, State 

 Zoologist of Pennsylvania, who spoke as follows on the im- 

 portant subject of "Spraying" : 



Recent Advancement in Successful Spraying, with 



Special Reference to the Control of 



the San Jose Scale. 



By Prof. H. A. Surface, Harrisburg, Penn. 



The day has come not only for the scientist to become 

 practical and reach forth a strong right hand to meet the 

 grower on his own grounds, but the time is also at hand when 

 the tiller of the soil, be he agriculturist, horticulturist or spe- 

 cialist in any line, must be scientific and technical in the knowl- 

 edge of his subject. H must keep abreast of the times by 

 knowing what is being done in his own State, as well as other 

 States, along the line of his profession. To know this he 

 reads Bulletins and Journals, but he demands more than mere 

 empirical instruction. Like the man from Missouri, "He 

 needs to he sliozvn." For this reason, now, as never before, 

 teachers of all kinds are adopting the system of demonstra- 

 tion instruction, or giving instruction by exhibition, showing 

 the details of practical methods. 



In response to the call for a more definite and tangible 

 form of help than the publication of Bulletins, wc established 

 in the State of Pennsylvania, thirty Demonstration Orchards, 

 or an average of nearly one for two Counties. Announcements 

 were made by the press throughout the State, by Bulletins and 



