127 



critical oxamination of butter the ininiinum limit of volatile fatty acids 

 maybe taken as tliatcoiiteiit iXMiuiring It) c.c. of tt'iitli normal alkali per 5 

 ^^rams of butter fat, according to the Keichert-Meissl-Wollny method. 



Ontario Agricultural College and Experimental Farm, Six- 

 teenth Annual Report, 1890 (pp. 262). — This report includes stati.s- 

 tics rclatinji' to the eollej^c and exi)eiiinental farm, reprints of bulletins, 

 accounts of experimental impiiries not i)ublished elsewhere, and a report 

 of the eleventh annual meetinjj; of the Ontario A<,aicultural and Exi>eri- 

 mental Union. The following;; statements are taken from those portions 

 of the report which relate to the ex])erimental work of the institution: 



llulletin jS'o. 52. — Black knot on j>/M»i«, J. 11. I'anton (pj). 39, 40). — A 

 popular account of the life history of the fungus causing black knot ou 

 piums [Pli)icri[ihti(( ))iofhosa), with suggestions as to reme<lies. 



lUiUetin A'o. 50. — !Smut of grain, J. 11. I'anton (pp. 40-45). — Brief 

 accounts of stinking smut (Tilletia foetens)^ loose smut {UstHago sege- 

 turn) and corn smut [JJsiihujo zew mays), with suggestions as to reme- 

 dies. 



Meteorological observations, J. II. Panton. — A tabulated monthly 

 summary of observations at the college during 1890. 



Corn for fodder and silage, C. C.James (pp. 47-02). — Tabulated analy- 

 ses of the ears, stalks, and leaves of a number of varieties of dent, 

 Hint, sweet, and silage corn, with extracts from the reports of investiga- 

 tions on corn issued by stations in the United States. 



A)talgscsofJish, C. C. James {]){). 03-00). — A tabulated record of analy- 

 ses of the head and entrails of salmon, linely divided refuse from a can- 

 ning factory, and whole herrings, with comments on the value of such 

 materials as fertilizers. 



Sugar beets, C. C. James and W. iSkaife (pp. 00-75).— A tabulated 

 record of analyses of sugar beets grown at the college and elsewhere 

 in Ontario in 1890. The following is a general summary for the 

 province : 



The 18>^t) s.'iiiiples .tnalyzed at tho chemical laboratory, Gnelph ('26 in niiiiibor), 

 showeil an average weijjht of '2 pouihIh '2 ounces, solids 18.1.)r> perci'iit, stif^ar in juice 

 14.:5r» per cent, and purity 7r>.7 per cent, from which it will be seen that the beets of 

 181)0 were smaller, slightly lower in sugar, but higher in purity, and represent a daw 

 of beets much more profitable for 8:;gar making than those of 18'^;». The dift'erence 

 in value between large and small beets is clearly brought out iu the above general 

 summary, the smaller beets being the richer and of higher purity. 



A brief account of the cultivation of the crop of sugar beets on the 

 experimental farm is given iu another part of the report (pp. 90-98). 



