ANIMAL PRODUCTIOlSr. 367 



of numeroui? lots of inferior cotton-seed meal due in part to heavy rainfalls 

 in the autumn of 1906, when large quantities of cotton seed were damaged. 

 One new feed was found, known as flax feed, and consisting substantially of 

 one-third imperfectly developed flax seed and two-thirds of a variety of ground 

 weed seeds. It has an extremely bitter taste and cows ate it rather grudgingly 

 when fed by itself, though consuming it readily when mixed with other grains. 



German meadows and the estimation of the value of meadow hay, A 

 Naumann (Ztsehr. InfckUonskraiik. u. Hyg. Haustiere, 4 (1908), No. 1-2, pp. 

 50-101, pis. 2, figs. 0). — A discussion of typical meadow lands and other grass 

 ai'eas found in different countries, a classification of the meadow areas of 

 Germany, and a summary of classified data regarding the botanical distribu- 

 tion, chemical composition, and other characteristics of grasses and other plants 

 found on such areas. Micro-organisms which occur on meadow plants and hay 

 are described and illustrated and the question of poisonous plants found in 

 meadows is also taken up. 



The composition and digestibility of hay from sewage meadows (Agr. 

 Mod., l-'t (1908), Mo. l-'i, pp. 18-'i, 185). — Analytical and other data are sum- 

 marized and discussed. 



The native fodder plants of New South Wales, J. H. Maiden (Off. Year- 

 book N. S. Wales, 1905-6, pp. 75.'t-759). — A description of grasses, saltbushes, 

 and other fodder plants native to New South Wales with some notes on their 

 use and palatabllity. 



Ensiled beet pulp and its by-products, J. Giele (Jour. Soc. Cent. Agr. Bclg., 

 55 (IDOS), No. .'/, j)p. 110-112). — Analytical and other data regarding the com- 

 position of ensiled beet pulp are reported and discussed. 



Buckwheat feed, F. W. Woll {Hoard's Dairyman, 39 (1908), No. 10, p. 

 300). — This discussion of buckwheat feeds of different kinds quotes analyses 

 made at the Wisconsin Experiment Station. 



Experiments on the nutritive value of nonproteid nitrogenous constitu- 

 ents of hay, O. Kellnek (Jour. Laiidw., 56 (1908), No. 1, pp. -'/9-52). — A 

 critical discussion. 



The value of glutaniinic acid and aspartic acid as nutrients, K. Andelik 

 and K. Velich {Ztsehr. Zuckerindus. Bohmen, 32 {1908), No. 6, pp. 313-3Ji2).-- 

 In the experiments with sheep which are reported 96 to 98 per cent of both glu- 

 tamiuic acid and aspartic acid, taken as sodium salts, were resorbed. The urine 

 did not contain any appreciable quantity of these acids, nor of simpler amino 

 acids. Rath acids were retained in the body, the proportion of aspartic acid 

 thus retained being the greater. The resorbed material was in part used for 

 the formation of protein and in part as a source of energy. When glutaminic 

 acid was taken only 4.3 per cent of the food protein was resorbed as compared 

 with 54 per cent in the case of the aspartic acid ration and 49 per cent with the 

 normal ration. 



Eat formation from protein and methods of estimating fat, E. A. Bog- 

 DANow {Jour. Landw., 56 {1908), No. 1, pp. 53-87). — According to the author's 

 experience, it is possible to find pigs, though the proportion is small, capable 

 of taking large quantities of protein without disturbing general good health, and 

 with such animals the utilization of casein and meat meal containing little 

 fat was studied. 



It was found that a ration very rich in protein induced only small gains in 

 fat even when the feed was eaten in quantity with a good appetite. The author 

 considers it probable, however, that fat was formed from protein under such 

 conditions though the quantity was not large. He calls attention to the fact 

 that this is in accord with the view that at least certain proteins contain pre- 



