1919] CONTENTS. VH 



Page. 



Factors influencing the composition of milk, Eckles et al 677 



Phosphorus and calcium metabolism in milk seci'etion, Meigs et al 678 



Gestation v. stage of lactation, Palmer and Eckles 679 



Efficiency of standard agar for estimation of bacteria, Sears and Case — 679 



The chemistry of churning, Palmer 680 



Cheese making under Missouri conditions, Morley 680 



The rediscovei'y of an old dish, Davis 680 



The use of surplus milk in a small dairy : Cheese making, Allan 680 



VETERINARY MEDICINE. 



Results of Federal quarantine against foreign live stock diseases. Pope — 680 



Report of the State veterinarian, Jacob 680 



Report of Bengal Veterinary College and civil department, Smith 680 



Report of the government veterinary surgeon for 1918, Sturgess 680 



Colloids in biology and medicine, Bechhold, trans, by Bullowa 680 



Preparation of culture media suitable for organisms in vaccines. Norris — 680 



The suppression of anaphylactic shock, Kopaczevski and Vahram 681 



Experiments on the bactericidal action of sunlight, de Laroquette 681 



A study of many strains of streptococci, Jones 681 



The relation of forage poisoning to botulism 681 



Need of government action to check botulism, McCaskey 682 



Recrudescence of rinderpest in Egypt, Piox Bey 682 



Antirinderpest vaccination in calves. — Serovaccination, Groveri 682 



Experimental study of the therapy of tuberculosis, Volpino 682 



The accredited herd plan in tuberculosis eradication, Kiernan 683 



Contagious abortion investigations, Connaway, Durant, and Newman 683 



Bacterium abortus infection of bulls, Buck, Creech, and Ladson 683 



Stomach worm disease in cattle and sheep, Dalrymple 684 



Less cholera, more hogs, Hess 684 



Effects of heat on trichinse. Ransom and Schwartz 684 



The cause of abortion in mares, Murray 684 



Strongylidfe in horses, Yorke and Macfie 685 



Strongylidfe in horses. — Species in American horses, Yorke and Macfie — 685 



On the transmission of two fowl tapeworms, Ackert 685 



Development of the protozoon of " blackhead " in turkeys, Tyzzer 685 



RURAL ENGINEERING. 



The drainage movement in the United States, McCrory 686 



Rainfall, absorption, and run-off on small rural drainage area, Houk 686 



Progress report on run-off investigations, Lynde 686 



Floods and water-logged land : The Land Drainage Act, 1918 687 



Moor drainage, Freckmann 687 



Hydraulic efficiency of a drainage ditch, Ramser 687 



Canal seepage losses are affected by temperatui-e, Crandall 687 



The small irrigation pumping plant, Powers and Gilmore 688 



Testing aggregates in the field, Jackson 688 



Ultramicroscopic examination of bituminous road materials, Lord 688 



Efficiency of bituminous surfaces under motor truck traffic, Hubbard 688 



Preliminary impact tests of auto trucks on roads, Smith and Pauls 689 



The vertical movements of concrete pavements, Lowell 689 



State highway mileages and expenditures in the year 1918, Anderson 690 



Pubhc Roads 690 



Rainfall influence on zinc-treated crossties, Teesdale and Allen 690 



Electric light and power from small streams, Daniels 690 



Internal-combustion engine lubrication and lubricants, Conradson 691 



Smut dust explosions and fires in grain separators, Thornton 691 



The Shoup oat sprouter, Shoup 691 



Silo construction, Shedd and Foster 691 



Capacities of silos and weights of silage, Eckles, Reed, and Fitch 691 



Estimating silo capacities and silage weights, Eckles 692 



[Warehouse construction and fire protection], Newton and Workman 692 



Housing the worker on the farm, McCormick 692 



The ideal servant-saving house 692 



Septic tanks, Fairbauk 692 



