iniO] ANIMAI. PRODlTdTIOISr. 869 



Carrying capacity of ranges in western United States, R. Ij. Hensel (Ames 

 Forester, 5 {1917), pp. 4^5-49). — Accessibility to water, topography, character 

 of vegetation, prevalent diseases, local farming conditions, and extent of use 

 are discussed as factors in detcnninitiR the carrving capacity of a range. 



The cattle industry of the Southeast, G. M. Rommet. {Producer, 1 {1919), 

 No. 6, pp. 9-12, figs. 5). — It is predicted that with the cattle tick eradicated the 

 southern part of the United States, east of the Mississippi River, will become a 

 very inijtortant cattle-growing region, partly because of an increasing demand 

 for beef and partly because of the beneficial effect of the manure on the cotton 

 crop. 



The investigations of the Bureau of Animal Industry of the U. S. Department 

 of Agriculture during the past 15 years (E. S. R., 41, p. 565) indicate in the 

 author's opinion tliat the two most profitable methods of producing beef in the 

 South are (1) to feed steers cottonseed meal on pasture, and (2) to feed calves 

 for baby beef during the winter following weaning with a ration made up of 

 silage, cottonseed meal, and other available feeds, but not corn except where the 

 price is low. 



Cattle industry, J. C. J. Coope {Rhodesia Munitions and Resources Com. Rpt. 

 1918, pp. 45-55). — This article deals with the status of the beef cattle industry 

 in Rhodesia. Available native feeding stuffs and common cattle diseases in 

 the region an> listed. 



Some camel feeding experiments, H. E. Ceoss {Agr. Research Inst. Pusa 

 Bui. 77 {1918), pp. 8). — Experiments as to the amounts of various feeds that 

 camels will consume are reported to show that the Indian Government's ration 

 of 16 lbs. per day of a mixture of wheat and pea-straw is insufficient to main- 

 tain a camel. 



Domestication of animals in Peru, O. F. Cook {Jour. Heredity, 10 {1919), 

 No. 4i PP- 176-181, figs. 3). — Notes are given as to the degree to which the llama, 

 the alpaca, the huanacu, the vicuiia, and the guinea pig are under domestication 

 in Peru, together with suggestions as to the part played by domestic animals 

 in the highly developed agriculture of the prehistoric Peruvians. 



Making money from hens, H. R. Lewis {Philadelphia and London: J. B. 

 Lippincott Co., 1919, pp. 217, pis, 12). — The scope of this book and the method 

 of treatment are indicated by the following chapter headings: Chances with 

 chickens; the riddle of the breeds; beginning with the incubator; beginning 

 with the baby chick ; critical days In the brooder ; the secret of better chickens ; 

 the open-front poultry house ; fuel for the egg factory ; healthy hens ; how to 

 tell the good hen ; the truth about the lighting problem. The " secret " of 

 better chickens is to pnjvide feeds rich in vitamins. Much of the material 

 has appeared in somewhat different form in the series of leaflets known as 

 Hints to Poultrymen, issued by the Ne\^' Jersey Experiment Stations and 

 noted from time to time. 



Fall poultry problems, H. R. Lewis {Neio Jersey Stns. Hints to Poultrymen, 

 7 {1919), No. 12, pp. /f). — The topics briefly discussed are the culling of the flock 

 in the fall, the problems of sanitation, housing, and feeding during the fall 

 and winter months, and the use of artificial illumination to stimulate egg 

 production. 



Feeding hens for egg production. H. M. Lamon and A. R. Lee ( U. S. Dept. 

 Agr., Fanners' Bui. 1067 {1919), pp. 15, figs. .5). — Information is summarized as 

 to the conifiosilion of poultry feeding stuffs, suitable rations for laying hens, 

 and methods of feeding. Rations are recommended on the basis of the ex- 

 periments reported in Department Bulletin 561 (E. S. R., 37, p. 871). 



