982 EXPERIMENT STATION RECORD. 



Cider vinegars of Pennsylvania, W. Frear (Pennsylvania Dept. Agr. Bui. 22, pp. 

 #7), — Vinegar and vinegar making is discussed and a number of analyses of vinegar 

 from different localities in Pennsylvania are reported. Directions for testing viuegar 

 and a test for acidity suited to the needs of farmers are given. 



Cider vinegars of Pennsylvania, AV. Frear {Pennsylvania Dept. Agr. Rpi. 1896, 

 pp. 193-513). — This is a reprint of Bulletin 22 of the Pennsylvania Department of 

 Agriculture (see above). 



Fruit vinegar, .1. Jettmar (Ztschr. Nahr. Untersuch. u. Hyg., 11 (1S97), No. 21, pp. 

 345, 346). — A discussion of fruit vinegars, with report of analyses of 2 samples. 



The value of meat extract as a condiment, C. VoiT (Munchen. Med. Wchnschr., 

 1S97, No. 9; abs. in Hyg. Rundschau, 7 (1S97), No. 24, p. 1263). 



The examination of American lard, H. Schlegel (Forsch. Ber. Lehensmll., 4 

 (1S97), No. l:. pp. 350, 353). 



On the establishment of compulsory examination of meat in the States of 

 the North German Federation, R. Ostertag (Ztschr. Fleisch u. Milchhyg., 8, No. 2, 

 pp. 21-27). 



Book of foods and condiments (Lebensmittelbuch. Bern: F. Semminger, 1897, pp. 

 VII, 152; abs. in Ztschr. Nahr. Untersuch. u. Hyg.. 11 {1897), No. 24, p. 424). — A com- 

 pilation by the Verein schweizerischer analytischer Chemiker, describing the more 

 important foods, condiments, etc., and their adulteration, with simple methods of 

 examination. 



What influence does consuming a day's ration in several portions exert upon 

 the cleavage of protein? 0. Krummacher (Ztschr. Biol., 35 (1.S97), No. 4, pp. 481- 

 505, dams. 2). — The author made a number of experiments with a dog. In some 

 cases the day's ration was consumed in one portion and in others in five portions. The 

 food, urine, and feces were analyzed. It was found that more nitrogen was excreted 

 when the food was consumed in one portion than otherwise. The experiments are 

 discussed at length and the results of other investigators quoted in detail. 



Investigations "with man and animals on the behavior and excretion of 

 ammonia and ammonium salts, T. Remit and (>. Kleine (Ztschr. Biol., 34 (1S97), 

 pp. 65-134). 



On the mineral constituents of the feces of very young infants when fed 

 mother's milk and cow's milk, M. Blauberg (Arch. Hyg., 31 (1S97), No. 2, pp. 

 115-141). 



Some recent observations on the influence of the thyroid gland on metabo- 

 lism, Y. Henderson (Science, n. ser., (1897), No. 156, pp. 948-950) .—The work of 

 several investigators is quoted in considerable detail. 



On the analysis of gastric juice, L. Cordier (Compt. Bend. Acad. Sci. Paris, 126 

 (1898), No. 4, pp. 353-356). 



Hygienic studies of copper, VI. The effect of copper on man, K. B. Lehmann 

 (Arch. Hyg., 31 ( 1S9S), No. 3, pp. 279-309).— Large doses of copper salt (about 30 gm.) 

 prove fatal or cause serious illness. No case is recorded in which doses of 4 to 8 gm. 

 have proved fatal, 1 to 2 gm. cause sickness (vomiting or diarrhea), 0.5 gm. seldom 

 causes even vomiting. Continued small doses show no cumulative effects. A num- 

 ber of experiments arc reported. 



Papain-proteolysis, with some observations on the physiological action of 

 the products formed, R. If. Chittenden, L. B. Mended, and H. E. McDermott 

 (Arner. Jour. Physiol., 1 (1898), No. 2, pp. 250-276).— A number of experiments are 

 reported. 



Text-book of somatology and hygiene for use in training schools for teachers. 

 T. F. Hanansek (Lehrbuch der Somatologie und Hygiene fur Lchrer und Lehrerinen Bild- 

 ungsanstalten. Vienna, Prague, and Leipsic: F. Tempslcy, 1897, pp. VI, 158, pis. 7, figs. 

 104; abs. in Ztschr. Nahr. Untersuch. n. Hyg., 11 (1897), No. 24, p. 424).— Contains 

 chapters on somatology, general hygiene, and school hygiene. The most important 

 foods and food stuff's are treated of. 



