CONTENTS V II 



of Champion Cows of the 5 Principal Dairy Breeds of the United States in 1915. — 777. The 

 Guernsey Breed of Cattle in Italy. 



Pigs. — - 778. I5'ip2rim;nts in Pig Feeding with Potato Meal. ^779. Experiments in Feeding 

 Pigs with Straw Meal and Straw rendered Soluble bj' Caustic Soda. — 780. Value of I<u- 

 cerne and other Green Forage in Pig Feeding. 



Poultry. — ■781. Bxpsriments on the Necessity of adding Gravel to Poultry Food. 



JBees. — 782. Cold as the Cause of the D^alh of Bees in a Colony wintering under good Condi- 

 tions. 



Fish. — 783. A New Skin Disease in Carp in Germany. 



IV. — Farm Bngineering. 



Agricultur.\l M\CHiNrERY. — 784. SLreckcr's I^iquid Manure Drill. — 785. Vasino Winnowing 

 Machine. — 786. The Vasino Paddy Cleaning Machine, fitted to a Threshing Machine. — 

 787. Motor-Driven Apple Grading Machine of High Capacity. — 788. A Tractor for the 

 Garden. — 789. Experiments on the Fuel Used in Farm Portable Engines. — - 790. Review 

 of Patents. 



BmLDi:^G CoNSTRUcno.v. — 791. Inverted Siphons Replace Bridges where Canals Cross Roads. 

 — 792. Snail Irrigation Canals I<ined with Concrete to Prevent Seepage Water lyoss. 



V. — RuRAi, Economics. 



793. Increase of Yield of the Soil in the Alpine Regions of Salzburg, Austria. 



VI. — Agricui,turai< Industries. 



Industries Depending on Plant Products. — 791. Table Wines and Blending Wines of 

 Sicily. — 795. The Wine of Grapes treated with Arsenates. — 796. The Determination 

 of the Iodine Index of Alcoholic I^iquids. — 797. Pectinobacter amylophilum, a New Or- 

 ganism which may be of Practical Importance in Flax Retting. — 798. New Method of 

 Flax Retting Invented at the Technological Institute of Petrograd. — 799. Hats made of 

 Chinese Palm I^eaf. 



Industries Depending on Animal Products. — 800. The Cheese Industry in Portugal. 



Agricultur.\l Products: Preservation, Packing, Transport, Trade. — 801. The Mea- 

 sures to be Adopted for Preventing Unfair Competition in the Cheese Trade. — ■ 802. Chan- 

 ges occurring in Potatoes during Storage. 



PIvANT DISEASES. 



II. — Diseases not due to Parasites, or of unknown origin. 



803. Gummosisin the Citrus Plantations of Florida. — 804. Citrus Barkrot in the Philijipines. — 

 805. " Parch Blight " on Douglas Fir in Oregon. — 806. Fruit Injury tku-ing the Fumiga- 

 tion of Citrus Trees : Causes and Remedies. 



