CONTENTS. 7n 



Page. 



Studies on the biochemistry and chemotherapy of tuberculosis, XI, Corper 677 



Tubercle bacilli iu nontulierculous respiratory passasjes, Titze and Lindner 678 



Hog tuberculosis and its significance for meat hygiene, Nieberle 678 



Occurrence of antibodies against Bacillus abortus, lieinhardt and Gauss 679 



Experiments in the preA-ention of bovine epizootic abortion, Buxton 679 



The action of arsenical d ips in preventing tick infestation, Graybill 679 



The chemical control of cattle d ipping tanks, Williams 680 



[Disease of sheep at the Kodiak Station], Snodgrasa 680 



Otacariasis in the Bighorn, Ward 680 



Dipping vat for hogs and dips; hog worms, lice, and mange, Gary 680 



Combating hog cholera, Nevermann ■ 680 



The bacillaPv' pest, typhus, or paratyphus of shoats, Cominotti 680 



Shoat typhoid with special regard to distribution, Pfeiler and Hurler 680 



The cause of pernicious anemia of the liorse, Seyderhelm 681 



Poultr^^ diseases, Wortley 681 



Experiments on cysticerci of Txnia pisiformis and T. serialis, Ackert 681 



Experimental ingestion by man of cysticerci of carnivore tapeworms, Hall 681 



Obsen-ations on the eggs of Ascaris lumbricoides, Foster 681 



Peculiar morphologic development of an egg of the genus Tropidocerca, Foster. 681 



Bhabditin. — Contribution to a science of nematology , Cobb 681 



RURAL ENGINEERING. 



Practical talks on farm engineering, Clarkson 681 



Irrigation laws of the State of New Mexico 682 



The Colorado statute inch and some miner's inch measuring devices, Cone 682 



Sixth biennial report of the state engineer of North Dakota for 1913-14 683 



Irrigation and water conveyance and diversion 683 



The practical operation of irrigation works, Porter 683 



Report on irrigation experiments at Rochester, N. Y., 1913. Fisher 683 



[Irrigation experiments], Gerlach 683 



Problems relating to the tile drainage of irrigated lands. Miller 683 



Contributions of the chemist to the potable water industry. Mason 683 



Treatment of waste waters from piggeries, Kershaw 684 



Separation and removal of microbes suspended in water, Trillat and Fouassier. 684 



Dynamite experiment. Spring 684 



On the use of explosives and of the blow lamp in the garden, Durham 684 



Blast furnace slag in concrete, Aiken 684 



Oil-mixed Portland cement concrete, Page 685 



Portland cement concrete pavements for country roads, Moorefield and Voshell. 685 



Vitrified brick pavements for country roads, Peirce and Moorefield 686 



Notes on width, alignment, grade, and draimige of country roads. Meeker 686 



Progress of experiments in dust prevention and road preservation, 1914 686 



Proceedings of good roads institute at University of North Carolina, 1914 688 



Steam as tue by-product of internal combustion engines, Meriam 688 



Increasing output of gas engines 688 



Gas-engine valve setting, Muench 688 



Oil engines for pump irrigation and the cost of pumping. Smith 688 



Testing small centrifugal pumps, Blish 690 



Sizes of motors driving centrifugal pumps, Marshall 690 



A graphical process for choosing the electrical drive lor pumps. Gaze 690 



Electricity for the farm, Anderson 690 



Electro-culture 690 



The silo and its use, Eckles 691 



Hog, calf, sheep, and goat dipping vat, Car/ 691 



Poultry house construction, Jones and Card 691 



Advisory pamphlet on camp sanitation and housing 691 



Domestic hygiene: The septic tank, Soufeges 691 



RURAL ECONOMICS. 



Methods of sale for shippers of fruits and vegetables, Fisher, jr., et al 692 



Methods of wholesale distribution of frmts and vegetables, Collins et al 692 



Markets for potatoes 693 



Suggestions from America for cooperative selling, Ashby 694 



How farmers cooperate and double profits, Poe 694 



