X Journal of Agricultural Research Voi. xvii 



Effect of Removing the Pulp from Camphor Seed on Germination and 

 THE Subsequent Growth of the Seedings 



Page 

 Fig. I. Diagram showing percentage of germination of camphor seed secured 



from parent tree A under varying conditions 227 



2. Graphs showing time required for pulped and unpulped camphor seed 



to reach maximum germination 229 



3. Graph showing time required for camphor seed secured from parent 



tree A at various times and under various conditions to reach 

 maximum germination 230 



4. Diagram showing percentage of total germination of pulped and un- 



pulped camphor seed from 10 parent trees 233 



5. Graphs showing rates and percentage of germination of pulped and 



unpulped camphor seed from 10 parent trees 234 



Temperature in Relation to Quality of Sweetcorn 



Fig. I. Mean hourlj^ temperature for August at Baltimore, Md., and for Sep- 

 tember, 1918, at Portland, Me 282 



Variation of A\'rshire Cows in the Quantity and Fat Content of Their 



Milk 



Fig. I. Histograms and fitted curves for variation in mean weekly milk yield 



of Ayrshire cows of ages 3 to 7 years 306 



2. Histograms and fitted curves for variation in mean weekly milk yield 



of Ayrshire cows of ages 8 to 12 years 307 



3. Histograms and fitted curves for variation in fat percentage of milk of 



Ayrshire cows of ages 3 to 7 years 308 



4. Histograms and fitted ciu-ves for variation in fat percentage of milk of 



Ayrshire cows of ages 8 to 12 years 309 



5. Showing the change in mean weekly yield of milk in Ayrshire cows. 



The smooth curve is of the form yKa=bx=cx~=d log x 316 



6. Showing the observed (zigzag line) and calculated (straight line) changes 



in the mean fat percentage of the milk of Ayrshire cows with advanc- 

 ing age 318 



