BOTANY. 8n3 



Report of the chemist, R. C. Kkd/.ik (llichiijau Sla. Kpt. 1S9.',, pp. 170-17 2).— The 

 ■\voik done duriiit;- tlio year is eiiuineratod, witliout tiivini; uny results. 



Changes in and additions to methods of analyses adopted at the thirteenth 

 annual meeting of the Association of Official Agricultural Chemists, II. \V. 

 Wiley (T. S. l>ept. Ayr., IHrisioii of ChemiHtrn Cir. 2, pp. 6).— These changes have 

 already l»een noted (E. S. R., 8, p. 272). 



Well waters on farm homesteads, F. T. Smrrx (Canada Exptl. I'armx Upt. 1S95, 

 pp. 221,-225). — Analyses with reference to sauitary quality of G7 saiiii)le.s i>l water 

 are reported. 



Pharmaceutical institute and laboratory for applied chemistry of the Uni- 

 versity at Munich {('hem. Ztij.. 21 (1S'J7), Xo. l'>.pp. l."l-131, Jifin. /).— A dt-scription, 

 with plans, of this new buildinij. 



Tables for the quantitative e.stimation of the sugars, w^ith explanatory notes, 

 E. Wein, translated with additions by W. Fkew (Loudon: K. .(■ 7-'. iV. Spoil ; New 

 York: Spon if- Chamberlain, ISHG, pp. 12S, fifi. 1). — A translation of Weill's Zitclrr- 

 labeUcn, with some additions. 



The methods of milk examination, P. Sommeri kld (Die Methodcn der MUchnn- 

 lersHchiing fiir Aerzte, Chemiker, und Jli/gieniker. Berlin: Anf/ust Hirsdnvald, 1S96, pp. 

 57,fujs. 7). — This little pamphlet is intended primarily for physicians, chemists, and 

 those who have to do with the control of milk. It gives methods for the qualitative 

 and quantitative examination of milk, detection of adulterations and of preserva- 

 tives, bacteriological examination of milk, examination of prepared milk, etc. 



BOTANY. 



The germination of barley with restricted moisture, T. C. Bay 

 {Trans, and Proc. Bot. i^oe. J'Jdinburfjh, 2() [L'^9>i), 111^ pp. HK'J-oOJ, figs. 

 2 dfjins. 8). — On account of the importance to brewer.s and others using 

 malted grain, the author lias investigated tlie amount of moisture 

 required to produce the uecessary changes at the usual temperatnre of 

 growth. The determination of this degree of moi.sture is of consider- 

 able importance, since an iiiadeiiuate supply i)revents a satisfactory 

 metabolism of the constituents of the endosperm; while witii a too 

 abundant quantity the internal changes are carried too far. 



In the present paper the author reports upon the quantity of carbon 

 dioxid exhaled, the dry weight of the embrj^o at the cud of the gcrmina- 

 tive period, the ratio of the weight of carbon dioxid exhaled to the 

 increase in the dry weight of the embryo, the amount of moistnre in the 

 endosperm and in the embryo at the end of the germinative period, and 

 the quantity of growth as shown by the amount of carbon d ioxid exhaled. 

 In the experiment three kinds of barley were used and the degree of 

 moistnre for germination was determined by soaking in distilled water 

 at the temperature of 57^ F. for 24, 48, 72, or 0(1 hours. 



In each experiment 100 kernels of selected grain were weighed and 

 soaked for the desired period, changing the water several times. When 

 the grain had soaked the desired time, the water was drawn ofl"aiid tin' 

 grain well washed with fresh water and all adhering moistnre removed 

 by gentle pressure in a dean cloth. A detailed description of appa- 

 ratus and manipnlations are given, together with diagrams showing the 

 curves produced under the different conditions of the experiment. 



