660 



enough to injure the trees they should be grown in the form of spread- 

 ing shrubs, branching from the grouml. After the leaves have fallen 

 the branches may be gathered together in four bundles, bent down to 

 the ground in the outline of a cross, fastened with wooden pegs, and 

 covered with boughs or earth. The amount and kind of covering should 

 be varied according to the severity of the climate. 



North Carolma Station, Bulletin No. 74& (Meteorological Bulletin No. 16), 

 January 31, 1891 (pp. 16). 



Meteorological summary for North Carolina, January. 

 1891, H. B. Battle, Ph. D., and 0. F. Von Herrmann.— Notes on 

 the weather, and monthly summaries and tabulated daily record of 

 meteorological observations by the North Carolina weather service. 

 The bulletin is illustrated with maps of North Carolina, showing the 

 isothermal lines and the total precipitation for different parts of the 

 State. 



Oregon Station, Bulletin No. 9, February, 1891 (pp. 8). 



Silos and silage, H. T. French, M. S.— An account of the station 

 silo and of experiments in storing and feeding silage, with a brief dis- 

 cussion of the advantages of the silo in portions of Oregon where the 

 moist climate prevents the successful storage of crops in barns or stacks. 



Oregon Station, Bulletin No. 10, April, 1891 (pp. 34). 



Spraying experiments, F. L. Washburn, B. A. (pp. 3-22, illus- 

 trated). — Experiments with Paris green for the codling moth and with 

 a combined fungicide and insecticide for apple scab and the codling 

 moth are described, details being given in tables. It was found that 

 a combination of whale-oil soap, sulphide of sodium, and Paris green 

 was more effective than Paris green alone. Spraying machinery of 

 various kinds is described and illustrated. 



The hop louse, F. L. Washburn, B. A. (pp. 23-34, illustrated).— 

 An account of observations by the author on the hop louse {Phorodon 

 humuli), which was very injurious to hops in Oregon and Washington 

 in 1890, together with an illustrated life history of the insect from publi- 

 cations of this Department, and suggestions as to means for its repres- 

 sion. 



Rhode Island Station, Bulletin No. 9, December, 1890 (pp. 23). 



Experiments in apiculture, S. Cushman (pp. 99-110).— This is 

 a continuation of the report on work in apiculture contained in Bulletin 

 No. 7 of the station (See Experiment Station Record, Vol. II, p. 295). 



The use of artificial heat to promote brood rearing. — An experiment 

 was begun May 14. 1890, with twc colonies (Nos. 4 and 14) which had 



