688 EXPERIMENT STATION RECORD. 



about the same, after which a gradual change became apparent. After 

 14 months the experiment was discontinued and microscopical and 

 chemical examinations made of the contents of the flasks. It was 

 found that the different kinds of yeasts acted upon the casein in the 

 same relative proportion that they were able to liquefy gelatin. In 

 some cases the casein was dissolved but not further changed, and in 

 others it was more or less decomposed. 



Annual report of the chemist, W. 0. Eobinson, Jr. {Annual Report 

 of the Chief Inspector of Milk and of the Chemist of the Board of Health 

 of the City and Port of Philadelphia, 1896, pp. 24-59).— This contains a 

 discussion of the detection of the addition of water to milk, methods of 

 milk analysis, test for coloring matter and preservatives in milk, a dis- 

 cussion of butter and margarin and other food products, and aualyses of 

 a large number of samples of water. 



Two samples of human milk were analyzed with the following results : 



Analyses of human milk. 



Total solids.... 



Fat 



Milk sugar 



Albuminoids. . . 

 Mineral matter. 



No. 1,26§. No. 1,509. 



Percent. Percent. 



12.72 I 11.83 



5.58 3.31) 



6.10 ! 5.80 



1. 04 2. 73 



.11 .23 



"The former was probably drawn from the glands when nearly 

 empty, and the latter when full." 

 A sample of goat's milk had the following composition: 



Analysis of goat's milk. 



Per cent. 



Total solids 16.33 



Fat 5. 85 



Albuminoids &.4£i 



Milk sugar 5.11 



Mineral matter 88 



a A very rich milk." 



Cost and composition of milk in cities in New Jersey ( New Jersey Stas. Rpt. 

 1896, pp. 134-157).— -This is practically a reprint from U. S. Dept. Agr., Office of 

 Experiment Stations Bulletin 35 (E. S. R., 9, p. 80). 



Comparison of the yields and economy of the Ayrshire and native (Telemark) 

 breeds of cattle at Aas Agricultural College, 1860-1896, H. Isaachson (Ber. 

 Hoiere Landbr. Skole i Aas, 1895-96, pp. 43-94). 



The results of crossing between the Allgan and the Norrland mountain 

 breeds, J. BEUN (K. Landw. Akad. Handl. Tidskr., 36 (1897), No. 3, pp. 198-201).— 

 The average yield of milk for 6 years (1888-03) for a herd of 22 cows was 2,421.1 

 liters. No analyses of the milk produced are given. 



On the feeding of milch cows, H. Natiiokst (Tidskr. Landtman, 18 (1897), Nos. 

 21, pp. 367-371; 22, pp. 3S5-388). 



Does Wolffs standard ration for milch cows fill the demands of a modern 

 and scientifically exact standard ? E. O. ARENANDER(2Wsfor. Landtman, 18(1897), 

 N08. 9-14, pp. 145 et seq.). — Answered in the negative. 



