LIST OF ILLUSTRATIONS 



FACING 

 PAGE 



Respiration calorimeter at the Storrs, Connecticut, Station. 

 The man undergoing test as to food values lives in the 

 respiration chamber, the square box to the left of the 

 chair, from five to eight days .... 284 



Grinding corn under test at the Illinois Station preparatory 

 to laboratory tests to show the exact food value of the 

 corn ....... 293 



Illustrating the chief constituents of 100 ounces of ordinary 

 corn. The smallest bottle contains the ash, 1.45 per 

 cent; next the oil, 1.70; next fiber, 2.60; next pro- 

 tein, 10.92; next carbohydrates, 80.35; last the entire 

 corn ....... 300 



In the library of the first cooperative society in the world 



the Pioneer, of Rochdale, England . . . 309 



Corn-harvesting in Tennessee , 316 



Looking down Market street in San Francisco toward the 

 bay the docks lie to the right and left of the ferry 

 building at the end of the street. . . . 325 



Loading flour at Seattle for shipment to Chinese ports . 332 

 Flour on the Atlantic seaboaid awaiting foreign shipment . 341 

 Along the docks in New Orleans when the cotton is moving 348 

 Dock scene in San Francisco ..... 357 



Looking down upon an extensive series of experiments at 



the Cornell, New York, Station . . . .364 



General scheme of a California substation, with irrigation 



reservoir in the foreground .... 375 



Homeward bound .... 378 



Xll 



