CONTENTS. Ill 



FORESTRY. 



Page. 



Notes on the annual growth of forest trees, W. R. Lazenhy 50 



Forestry conditions and interest of Wisconsin, F. Roth 51 



Forest growth and sheep grazing, F. V. Coville 52 



SEEDS — WEEDS. 



Report of the Danish seed, control for 1*96-97, O. Rostrn n 53 



Seed testing, C. R. Ball r>4 



Dodders infesting clover and alfalfa, L. H. Dewey 54 



DISEASES OF PLANTS. 



The alfalfa leaf spot disease, R. Comhs 58 



The olive knot, F. T. Bioletti 55 



A destructive disease of maize, M. Raciborski 56 



The diseases of the sugar cane in Java, J. H. Wakker and F. A. F. C. Went ... 56 



Rhizoctonia stvobi, a new disease of Finns slrobus, E. Scholz 57 



On the viability of the winter spores of certain rust fungi, J. Eriksson 57 



Annual report of the superintendent of spraying for Ontario, 1897 58 



Preparation and application of fungicides, W. C. Sturgis 60 



ENTOMOLOGY. 



Proceedings of the ninth annual meeting of the Association of Economic 



Entomologists 60 



Revision of the Tachinidae of America north of Mexico, D. W. Coquillett.. .. 66 



On the biology of Ocneria dispar in Russia, N. Kulagin 66 



The San Jose scale, H. Osborn 68 



A remedy for trial in the destruction of the worm of the vine (Cochylie), 



J . D u f ou r 67 



FOODS— ANIMAL PRODUCTION. 



Comparison of the tbermogenetic or dynamogenetic power of simple food stuffs, 



with their nutritive value, A. Chan veau 70 



The importance of asparagin for animal nuti itiou, M. Chomsky 71 



Examination of Swedish fodder plants, IV, A. G. Kellgren and L. F. Nilson 72 



The cooking of meat 73 



Pig-feeding experiments, J. Klein 73 



Pig-feeding experiments, J. Klein 74 



Horse feeding: Tests of the digestibility of oats, hay, and the "new corn prod- 

 uct," H.J.Patterson 75 



Poultry experiments, J, Dryden 77 



DAIRY FARMING — DAIRYING. 



Investigations on the care and keeping of milch cows, Backhaus 83 



On the influence of the food on the fat content of the milk, F. Friis 86 



Obtaining milk under aseptic conditions, Backhaus and W. Cronheiin 87 



Some new experiments in churning 88 



Effect of period of lactation on milk and quality of butter, G.L. McKay and 



J W.Wilson 89 



Investigations on the utilization of casein, Backhaus 89 



VETERINARY SCIENCE AND PRACTICE. 



On the result of the rinderpest investigations at Koch's experiment station in 



Kimberly 91 



The sheep fluke, N. A. Cobb 93 



Contribution to the natural history of Trichina S2)iralis, J. Y. (iraham 93 



Tuberculosis in cattle and tuberculin, Nocard 94 



