/•^"•i 



EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN. Vh. D., Assistant Director. 



EDITORIAL DEPARTMENTS. 



Mi'teoroloRy. Soils, and Fertilizers — W. H. Beal. 



Ajrricultural Botany and Vegetable Pathology — W. IL Evaas, V\\. D. 



Field Crops — J. I. Schulte. 



Ilortoeulture and Forestry- — E. J. Glasson. 



Zooteehny and Human Nutrition — C. F. Langworthy, Ph. I). 



Agroteehny, Dairy Farming, and Dairying — H. W. Lawson. 



Agricultural Chemistry — W. IL Beal, C. F. Langworthy. and IL W. Lawson. 



Economic Zoology, Entomology, and Veterinary Medicine — E. V. Wilcox, Ph. D. 



Rural Engineering — 



Riu'al Economics — .T. B. Morman. 



Agricultural Education — D. J. Crosiiy. 



CONTENTS OF VOL. XIX, NO. 3. 



rage. 

 Editorial notes : 



Greater regularity in the management of station business 201 



The enlarged duties and responsibilities of the station director liOli 



System r. red-tape 204 



Reorganization of the irrigation and drainage work 2(Mi 



Recent work in agricultural science 20.S 



Notes 21)2 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry. 



On the atonnc weight of nitrogen, P.erthelot 208 



I<i(h)nietric determination of amnumia, Artmann and Skrabal 208 



Ri'covery of albuminoid anunonia from distillates. Hale 208 



Separation of potassium from sodium, Morozewicz 208 



The deternnnation of phosphoric acid in fertilizers. Mach 208 



Determination of organic nitrogen in sewage. Whipple 200 



Tli(> analysis of silicate and carbonate rocks. Ilillebrand 200 



Determination of silicon tluorid in silicates. Ilileman 200 



Deternnujition of calcium carbonate in marl, van't Kruijs 200 



On the tlocculation of clay emulsions, Hermann 200 



A formaldehyde color test for ])roteids. "I. Acree 200 



Uaiiid method for determining glucose with Fehling's solution. Lafon 210 



Value of dilTerent color reactions for identifying pentoses, Sachs 210 



Practic:il methods of detecting boric acid. Prescher 210 



Exanunation and valuation of raspl>erry jam. Baler and Neumann 210 



Exiunination and valuation of ground black i)epper. Iliirtel 210 



A new method for the determination of nicotine in tobacco. Garner 210 



.\ltl)aratus for supply of carlxju dioxid in determination of nitrogen in 



organic compounds l)y absolute method, Young and Caudwell 210 



Apparatus for determining urea and total nitrogen, Lafon 211 



I 



