LIST OF PLATES 



PLATE Facing page 



L STARCHES 100 



II. (i) ROOT NODULES OF PEA . 118 

 (ii) SECTION OF BARLEY GRAIN .. 9) 



III. (i) INDIGO VATS NEAR MIRZAPUR, INDIA . . . 252 

 (ii) FERMENTING BOXES FOR COCOA ... , ; 



IV. (i) SEWAGE WORKS AT MATUNGA, NEAR BOMBAY . 284 

 (ii) PERCOLATING FILTERS AT ACCRINGTON 



