1100 EXPERIMENT STATION RECORD. 



carefully sterilized in glass jars. The diet may be so planned as to maintain a uni- 

 form quantity of nitrogen and a constant calorific value from day to day." 



Respiratory quotient in static work, II, A. Bornstein and A. Ott {Arch. 

 Physiol. \_Pfluger~], 109 {1905), No. 11-12, pp. 621-627). — On an average of 17 experi- 

 ments it was found that the work required in standing was equivalent to 156 calories 

 per minute. Data are also given regarding the expenditure of energy when a pack 

 was carried on the back. 



Respiratory quotient in static work, III, A. Bornstein and B. von Gartzen 

 {Arch. Physiol {Pfiuger'], 109 {1905), No. 11-12, pp. 628-633).— -The data reported 

 have to do with the effect of weighting the chest on the oxygen consumed and the 

 carbon dioxid excreted. 



Alcohol, sugar, and caffein, and their effect upon muscular work, I. Ioteyko 

 {Rev. Soc. Sci. Hyg. Aliment, 2 {1905), No. 5, pp. 483-491, fig. 1).— From experiments 

 in which musular work was measured with an ergograph, the conclusion was reached 

 that sugar is an excellent food, a direct source of energy in the muscles, and not an 

 excitant, Caffein is considered as an excitant of the nervous system and, in the 

 author's opinion, is of great importance as a tonic, though it has probably no nutri- 

 tive value. 



The after effect of muscular work upon water vapor secretion, H. Wolpert 

 and F. Peters {Arch. Hyg., 55 {1906), No. 3, pp. 309-322).— The increased excretion 

 of water vapor due to muscular work can be noted for several hours after the work 

 has ceased. 



The daily curve of water vapor excretion in man, H. Wolpert and F. Peters 

 {Arch. Hyg., 55 {1906), No. 3, pp. 299-308, dgm. 1). — From their investigations the 

 authors conclude that neither the time of day nor the diet is a direct cause of varia- 

 tion in the amount of water vapor excreted. The average amount excreted per day 

 was 1,650 gm. at, in still air, a temperature of 24° C. and containing 65 per cent 

 moisture. 



Observations on creatin excretion in man, C. J. C. Van Hoogenhuyze and H. 

 Verploegh {Ztschr. Physiol. Chem., 46 {1905), No. 5-6, pp. 415-471, figs. 8). — In the 

 experiments reported muscular work did not exercise any marked effect on the excre- 

 tion of creatin except in the case of a fasting subject, when an increase was noticeable. 

 Gelatin and casein added to the ration did not increase creatin excretion, and the 

 addition of 5 eggs caused only a slight increase. Other questions relating to creatin 

 formation and .excretion were also studied and the investigation as a whole is dis- 

 cussed with reference to Folin's theory of nitrogen metabolism. 



Report of the departmental committee on vagrancy, J. L. Wharton et al. 

 {London: Wy man & Sons, Ltd., 1906, pp. VI + 123). — The housing, care, and man- 

 agement of vagrants, and their relation toward other classes are considered, one of 

 the questions taken up being the dietary for casual wards and labor colonies. The 

 dietary recommended for casual wards would cost about 39 cts. per head per week 

 and would furnish 63 gm. protein and 2,500 calories per head per day, and that 

 recommended for labor colonies would cost about 33 cts. per head per week and 

 furnish 66 gm. protein and 2,236 calories per head per day. 



ANIMAL PRODUCTION. 



Commercial feeding- stuffs, E. H. Jenkins and A. L. Winton {Connecticut State 

 Sta. Rpt. 1905, pt. 3, pp. 145-188).— The feeding stuffs examined under the State law 

 included cotton-seed meal, linseed meal, rape-seed meal, wheat bran, wheat mid- 

 dlings, wheat mixed feed, maize meal, gluten meal and feed, hominy feed, rye feed, 

 malt sprouts, dried distillery grains, buckwheat middlings, alfalfa meal, miscellane- 

 ous mixed feeds, proprietary horse feeds, proprietary and other dairy and stock; 

 feeds, proprietary poultry feeds, beef scrap, and meat meal. 



