June, 1919] ANNUAL REPORTS. 9 



Department oj Botany. 



(a) Studies on the effects of fungicides and insecticides on plants. 



(1) Cuprammonium washes. 



(2) Bordeaux mixtiu-e. 



(b) Structure of the fruit spur of the apple. 



(c) Chemical studies of the apple. 



(d) A study of the toxic action of fungicides. 



Department of Chemistry. 



(a) Chemical studies of the apple (in co-operation -mih. the Botany 



Department). 



(b) Studies on the effects of fimgicides and insecticides on plants (in 



co-operation with the Botany Department). 



(c) The relation of potassium to the growth of the cereals. 



Department of Entomology. 



(a) Control of root maggots by insecticides. 



Department of Horticulture. 



(a) Fruit bud formation. 



(b) Plant breeding. 



(1) Inheritance of color in carnations. 



(2) Mendelian inheritance in squashes. 



PUBLICATIONS WRITTEN BY MEMBERS OF THE STATION STAFF 



DURING THE YEAR. 



During the year twenty press bulletins were prepared by members of the 

 Station staff and were circulated to the number of 400,000. Fourteen exten- 

 sion circulars were prepared with a circulation of 280,000, and forty-one articles 

 for press pubhcation were sent out. In addition to these the following Experi- 

 ment Station bulletins were prepared and printed: 



No. 183 — Arsenical Residues after Spraying. 



No. 184— Food Stuffs. 



No. 185 — Fertilizer Inspection. 



No. 186— Seed Tests for 1917. 



No. 187— Food Stuffs for 1918. 



No. 188— Seed Tests for 1918. 



No. 189— Fertilizers. 



Circular No. 19 — Potato Seed Certification in New Hampshire. 



Technical Bulletin No. 12 — Some Observations on the Growth of Apple TreesJ 



by J. H. Gourley. 

 Technical Bulletin No. 13— Physiology of the Apple, by O. R. Butler, T. O. 



Smith, and B. E. Curry. ■' 



The following scientific papers have also been published : 

 Butler, O. — The Cuprammonium Waslies, Their Preparation. Biological 



Properties, and Application. Phytopathology, 7: 235-268, 1917. 

 Butler, O. — On the Preservation of Phytopathological Specimens in Their 



Natural Colors. Phytopathology, c'^; 66-68, 1918. 

 Ritzman, E. G. — Nature and Rate of Gro^^h in Lambs During the First Year. 



Journal of Agricultural Researcli, Vol. XI, No. 11. 

 Ritzman, E. G., and Davenport, C. B. — Family Performance as a Basis for 



Selection in Sheep. Journal of Agricultural Research, Vol. X, No. 2. 

 Ritzman, E. G. — A Chest Contour Caliper and Its Applicability for Measuring 



Lambs. N. H. Agricultural Experiment Station, Scientific Contribution 



No. 11. 



