VI CONTENTS. 



Pagt. 



Mendelism and interspecific hybrids, Cook 67 



A simple test of the goodness of fit of Mendelian ratios, Harris 67 



Simplification of Mendelian formulas, Castle 68 



The principles of stock breeding, Wilson 68 



The descent of animals, Jessen 68 



Biology of cattle, Wilson .* 68 



Inheritance of the poll character in cattle, Spillman 68 



A comparison between the Chiana and Romagna breeds, Pucci 68 



The Tarentaise cattle from a zoo technical and industrial standpoint, Hoffmann. . 68 



On the determination of hemoglobin in cattle, Dettweiler 68 



Economic importance of com silage in southern beef production, Curtis 69 



A contest in wool. Plumb 69 



The Mocha goatakin trade of Red Sea region, Schulz 69 



The utilization of feeding stuffs by the zebu, Pucci 69 



Pork production, Thompson 69 



Cooperative pig-fattening establishment for Ulm and Neu Ulm, von Braun 69 



Biological searchlight on race-horse breeding, Robertson 69 



The Arabian national stud book 69 



The home poultry book, Farrington 69 



Castration in relation to secondary sexual characters of Leghorns, Groodale 69 



On the origin of double-yolked eggs, Glaser •. 69 



The laying competition at Storrs 70 



Farm poultry and egg marketing conditions in Ontario County, Hare and Benson 70 



Export of eggs 70 



Poultry work at Oregon Experiment Station, Hunter 70 



Dedication of $90,000 poultry building, Norys 70 



Fur-bearing mammals: An unappreciated natural resource, Taylor 70 



Mink farming, White 70 



Results of German animal census, Thackara 70 



DAIRY FARMING — DAIRYING. 



Dairy herd records 70 



Advantages in testing pure-bred cows for the register of merit, Hill 71 



Detecting dairy losses, Davis 71 



Increasing dairy profits. Van Norman 71 



Care of milk and cream on the farm, Frandsen 71 



The dairyman's relation to quality, Davis 71 



Factors influencing the change in flavor in storage butter, Rogers et al 71 



A study of the bacteria which survive pasteurization, Ayers and Johnson, jr. . 73 



A comparison of the acid test and the rennet test, Hastings and Evans 75 



VETERINARY MEDICINE. 



Cotton-seed meal intoxication. — I, Pyrophosphoric acid. Withers, Ray, et al.. 76 



Feeding and toxicity of cotton-seed meal, Curtis 76 



] Report of the] division of veterinary science, Roberts 77 



The identification of the woody aster 77 



Disinfection on the farm, Haring 77 



Trypanosomes and trypanosomiases, Lavaran and Mesnil 77 



Fate of tubercle bacilli outside the animal body, Briscoe 77 



Tuberculosis in the university dairy herd, Hayden 78 



Tuberculosis in cattle and hogs, Haring 79 



On the infectious abortion of the cow, Zwick and Zeller 80 



Biological investigations of the abortion bacillus, Zwick and Wedemann 80 



Infectious abortion and sterility in cattle, Giltncr 80 



Infectious abortion and sterility in cows, Haring 81 



Johne's disease in sheep , Twort and Ingram 81 



Concerning piroplasmosis of sheep, von Rdtz 81 



Sarcosporidiosis in sheep in Scotland, McGowan and Rettie 81 



The antigen responsible for the antibodies in Dorset-Niles serum, Giltner 82 



Hog cholera and its prevention, Haring 82 



Some animal parasites of the Miami County hog, Mote 82 



The life history of Habronema muscx, a parasite of the horse, Ransom 82 



[Equine piroplasmosis in the Canal Zone] 83 



The value of the ventricle stripping operation for roaring, Hobday 83 



The frequence of trichinosis in dogs and cats, Hjortlund 83 



