THE AGE AND GROWTH OF SALMON AND TROUT. 141 



METRIC WEIGHTS AND MEASURES. 



A. WEIGHT. 

 1000 grammes = 10 hectograms = 1 kilogram = 2-204622 Ibs. 



B. LENGTH. 

 10 millimetres = 1 centimetre = 0'3937 inch. 



8.T. 10 



