23 



olluT clraiijjo beiiijf made in the ration. At the eiul of this time the 

 animals were ehan^jed to the ration previously j,Mven, the liay beiiiff 

 fed unchopix'd and the ^lain dry. Data as to the rations fed, composi- 

 tion of the milk, and the yield of milk ami butter during' eacii period 

 are j^iveii for five cows. IJe^arding the value of the choi)pin<,' and mix- 

 ing, "there is no evidence that they liad any effect." 



iMlNlOUAL INCIJKDIKN'J'S OF MILK, L. 1 1 . M KIJ IflLL, 15. S. (pp. 52-57). — 



Analyses of the ash of wlu)le milk and skim milk from llolstein, Ayr- 

 shire, and Jersey cows, and a calculation of the ash injjredienfs in 1,000 

 pounds uf milk and skim milk, and in the wiiule milk and skim milk of 

 a cow for 1 year for ea(;h of the three breeds. 



The author tiuds the amount of potash and phosphoric acid contained 

 in the milk and skim milk of one cow for 1 year to be as follows: 



Yearly averages for one cow. 



* Potash at 4^ cents and phospliorio acid at 8 cents per pound. 



The fat globules of milk, L. H. Merrill, P.. S. (p. 58). — Tabu- 

 lated data on the relative size and number of fat j.;lobules in the milk 

 and skim milk of liolstein, Ayrshire, and Jersey cows. 



As might have been expected, the larger globules have gouo into the cream, leav- 

 ing only the smaller cnies in ilie .skim milk, lu uo ease do these average one half 

 the size of those in the whole milk, and in the ease of Jerseys they are less than 

 one sixth as hirge. It is uoticeaVde also that the globules in the milk of the two 

 Jerseys are double the size of those of the other breeds, a fact which must in largo 

 part account for the ready creaming of this milk. 



KEI'ORT on TUUIUICULO.SIS, F. L. llUSSELL, V. tS. (pl>. 59-G4). — 



Notes on observations on two cases of tuberculosis in cows belong- 

 ing to the colley;e herd. 



Massachusetts Hatch Station, Bulletin No. 13, April, 1891 (pp. 12). 



Directions for the ise of fungicides and insecticides, S. 

 T. Mavnakd, 1>. S. (pp. .VIO, tigs. 3). — llrief directions for the pre)»- 

 aration and use of sulphate of copper (blue vitriol), sulphate of iron 

 (copperas), Bordeaux mixture, ammoniacal carbonate of copper, and 

 Paris green, alone or in combination, for fungous diseases and insect 

 pests of the pear, i)lum, peach, cherry, grape, strawberry, and potato. 

 Spraying api)aratus is illustrated. 



