AGRICULTURAL BOTANY. 21 



louiposition indicates " a f-oudition as regards mixing and composition which is 

 far from what it should be." 



Analyses of commercial fertilizers i Kftituckij Sta. Bui. 1^'<. pp. 113-258). — 

 Analyses and valuations of i'uA samples of fertilizers collected during 1906 are 

 reporte^l in taltular form, witli brief explanatory notes. 



Trade values and fertilizer and soil analyses, C A. Goessmasx and H. D. 

 Haskixs iMfJHHarhusettf Sta. BuJ. in. pp. 22). — This c-ontains a statement of 

 trade values for l!Xi6 and 1907. instructions regarding sampling, and analyses 

 of misc-ellaneous samples of fertilizers, soil^. etc., sent to the station for ex- 

 amination. 



Inspection of fertilizers in 1906. F. W. Morsk (AVfr Hnmpishire Sta. Bui. 

 130, pp. 6 I. — This bulletin rei>orts the results of analysis of 114 samples of fer- 

 tilizing materials insjieftefl during the year. 



[Analyses of garbage ashes], R. Habcoubt \An». lipt. Ontario Agr. Col. and 

 Kjijt. Farm, .jj lUnn;,. yj. .',ti\. — An analysis is reported of a sample of ashes 

 from the garbage disposal plant of Toronto, whif-h contained 6.5 per cent of 

 lime. 1.9 i>er cent of ptotash, and 2.7 per cent of phosphoric acid. 



Odorless fish fertilizer <.4»ie»-. Fert.. 26 (1907). .Yo. -5. p. 1.3). — It is stated 

 that H. G. Deming. of the State University of Washington, has devised a process 

 for preparing such a fertilizer, thus offering a means of saving the large amount 

 of tish refuse whioh now goes to waste. 



Mineral resources of the United States, calendar year 1905. D. T. Day 

 (f. .S. Geol. ,<urvey. llnni. pp. 1^03. fig. 1\. — Among the materials of special 

 agricultural interest of which statistic-s of production and c-onsumption are given 

 as usual are lime. gyi>sum. marl, puosphate. i>otassium salts, and peat. 



The fertilizers and feeding staffs act of Great Britain (Mark Lane Express, 

 96 (1907). Xos. 3928, p. 2; 3929. pp. 27. 28: 3930. p. 51: 3931. p. 8-5).— The more 

 imix)rtant features of this act and of the rules and regulations adopted by the 

 board of agriculture are summarized and explained. 



The act re<3uires the dealer to give the purcha.-*er an invoic-e showing the 

 I)erc-entages of nitrogen, soluble phosphates, in-soluble phosphates, and pota.sh 

 in fertilizers. Cattle or poultry foods must be pror>erly described by invoic-e 

 according as they are prepared from one or more than one substanc-e or seed, 

 and if the food is artificial, i^erc-entages of oil and albuminoids must be stated- 

 Such invoices are to be regarded as warranties, and advertisements jvnd circu- 

 lars containing statements regarding the character of the fertilizers or feeding 

 stuffs are also to have the effect of warranties. Penalties for violations of the 

 act are fines of from *.5<!i to s:2.5<;>. The board of agriculture will have charge of 

 the administration of the act through a chief agricultaral analyst (E. S. R.. 

 IS. p. 4;i3. i 



The fertilizers and feeding stuffs regulations. 1906 (.Jour. Bd. Agr. 

 [London]. 13 {1907). Xo. in. pp. 6ii'f-t)15 \. — The general regulations and those 

 regarding sampling and limits of error agreed upon by the board of agTiculture 

 under the new fertilizer and feedinir stuffs act are given. 



The fertilizers and feeding stuffs act. .J. A. Voei.ckkr ( Hark Lane Express, 

 96 (1907), yos. 3935. p. 210: 3936. p. 2U ••— The act is explained. 



AGEICULTTJIIAL BOTAIfY. 



A contribution to the knowledge of correlation in plant metabolism, 

 B. IIansteex {Landir. .hihrb.. id \lim7\. .Vo. 2. pp. 267-3iiS). — The author has 

 sought to asc-ertain the c-orrelation between the phosphoric acid, magnesia, and 

 Itotash taken ui> by plants at different stages of growth. About a dozen si^»ecies 

 of plants representing 5 different orders were studied and the phosphoric acid. 



