CONTENTS. Vn 



Page, 



Testing milk and cream for butter fat, Hunziker 875 



Origin of some of the streptococci found in milk, Rogers and Dahlberg 875 



Dirt sediment testing. — A factor in obtaining clean milk, Schroeder 876 



Minnesota dairy and food laws 877 



The dairy industry in New York State 877 



Distribution of moisture and salt in butter, Guthrie and Ross 877 



Some factors influencing yield and moisture content of Cheddar cheese, Fisk. . 877 



Manufacture of cheeses from skimmed cow's milk and whole goat's milk, Kraemer 878 



VETERINARY MEDICINE. 



An introduction to the study of infection and immunity, Simon 878 



Experimental production of agglutinins in animals by salvarsan, Nicolas ct al . . 878 



The toxicity of fungi; their hemolytic power, Parisot and Vernier 878 



Union between Amanita hemolysin and antihemolysin, Ford and Rockwood. . 879 



Note on the Amanita toxin, Ford and Bronson 879 



Action of extracts from boletus and chanterelle, Friedberger and Brossa 879 



Serum for protein of Agaricus vvuscarius, Galli-Valerio and Bornand 880 



Cicuta, or water hemlock, Marsh, Clawson, and Marsh 880 



Influence of subcutaneous mallein test on blood examination in glanders, Marcis 881 



The effect of cold upon the larvae of Trichinella spiralis, Ransom 881 



Trypanosoma americanum, Johns 882 



The relation of human tuberculosis to bovine tuberculosis, Izcara 882 



About atypical tuberculosis in slaughtered animals, Hafemann and Binder. . . 882 



[About atypical tuberculosis in slaughtered animals], Hafemann and Binder. . 882 



The intradermal test for tuberculosis in cattle and hogs, Ilaring and Bell 883 



Texas or tick fever, Mohlor 884 



Actinomycosis of the mammary gland in dairy herds in Victoria, Kendall 884 



A bovine disease caused by the Bacillus necrophorus, Balogh 884 



Care of the teeth in dairy cattle, Cullen .' 884 



Strongylus capillaris of the camel, Pricolo 884 



A study of epithelioma contagiosum of the common fowl, Sweet 884 



RURAL ENGINEERING. 



Frictional resistance in artificial waterways, Cone, Trimble, and Jones. 885 



A comparison of formulas for estimating run-off, Cunningham 886 



Irrigation experiments at Gross Enzersdorf (Austria) 886 



Irrigation experiments with brackish water, Bordiga 886 



Federal v. private irrigation, Henny 887 



State rivers and water supply commission 887 



Measuring devices [irrigation], Etcheverry 887 



Pumping and other machinery, Musto 887 



Designing water conduits of large diameter, Janni 887 



Farm drainage, Brown 1 887 



The road problem, Macdonald 888 



Mechanical engineering aspects of road construction, Crompton 888 



Construction of bitumen-bound broken stone roads. Smith 888 



Agricultural surveying laboratory manual, Scoates 888 



Variations in results of sieving with standard cement sieves, Wig and Pearson. . 888 



French tests on oil-mixed concrete, Feret 889 



Effect of hydrated lime on Portland cement mortars, Spackmau 889 



Cement pipes and distributing stand pipes, Etcheverry 889 



Some data on reinforcing concrete pipe, Sims 889 



Transverse strength of screws in w^ood, Kolberk and Birnbaum 889 



Sun-power plant 890 



Utilizing waste heat of a small gas engine 890 



An experimental study in multiple effect evaporation, Deerr 890 



The heat balance of a cane-sugar factory, Deerr 891 



Central station power for farmers, Palmquist 891 



Ruralizing electricity, Davidson 892 



Harvesting ice with central-station energy 892 



Farm machinery laboratory manual, Scoates 892 



Agricultural machines and implements, Hagmann 892 



Solving the fuel problem for the motor truck, Slauson 892 



Some experiments with steam threshing machinery at Cawnpore, Burt 892 



Farm building construction, Smith 892 



