MASSACHUSETTS. 129 



The entomological department conducted a cooperative experi- 

 ment on methods of controlling wireworms on seed corn. Studies 

 on the relative importance of the different broods of codling moth 

 have been in progress since 1903. A study on the control of onion 

 thrips was completed and studies of the elm-leaf beetle and aspara- 

 gus beetle were continued. Efficient methods for combating onion 

 thrips were suggested and definite regional limits of the elm-leaf 

 beetle and asparagus beetle were mapped out. The organization of 

 apiary inspection under a new State law was begun during the year. 



The chemical department of the station studied the cause of clover 

 sickness, varieties of corn best suited for silage in Massachusetts, 

 and the value of coconut meal in milk production. The inspection 

 of the department was carried on as heretofore, but a separation of 

 the inspection work from the experimental work was effected and 

 thereby much better facility is secured for the more scientific work 

 of the department. 



The veterinarian of the station took part in studies on Sporo- 

 thrix and epizootic lymphangitis and a report on this work has been 

 published.^ 



At the cranberry station the Skinner system of irrigation in its 

 relation especially to frost protection, winter flowage, and spraying 

 for insects and fungi, was tried and the improvement of varieties of 

 cranberries by selection and breeding was carried on. 



A more complete organization of the extension department of the 

 college has been effected and the staff of this department was in- 

 creased. As a result of this step station officers are doing much less 

 extension work than heretofore. The cooperative work of the station 

 consists of cooperative experiments in alfalfa culture with parties 

 throughout the State and with this department in the work with 

 asparagus and cranberries. 



The following publications were received from this station during 

 the year: Bulletins 133, Green Crops for Summer Soiling; 134, The 

 Hay Crop in Massachusetts; 135, Inspection of Commercial Fer- 

 tilizers; 136, Inspection of Commercial Feed Stuffs; 137, The 

 Rational Use of Lime— The Distribution, Composition, and Cost of 

 Lime; Meteorological Bulletins 258-269; Circulars 18, Alfalfa as 

 a Crop in Massachusetts; 19, The White Fly; 20, The Use of Lime 

 in Massachusetts Agi'iculture ; 21, The Control of Onion Smut; 22, 

 Poultry Manures. Their Treatment and Use; 23, A Parasite of the 

 Asparagus Beetle; 24, An Act to Provide for the Protection of 

 Dairymen — The Babcock Test; 25, Cottonseed Meal; 26, Fertilizers 

 for Potatoes; 27, Seeding Mowings; 28, Rules Relative to Testing; 



i.Iour. Med. Research, 23 (1910), No. 1. 

 56096°— 12 9 



