66 



THE DESTRUCTION OF 



creased to 90,101 salmon. From this it is evident that 

 "whenever too large a proportion of the parent fish had been 

 caught by any means , that the produce of future years had 

 been diminished." 



As a further confirmation of this fact I beg to call 

 attention to the yearly rental of the fishings on the 

 Tay from 1828 to 1865. The mode of letting was by 

 open competition from year to year ; thus we have the 

 best test of its annual value. The total rental of the 

 Tay and its tributaries was 



In 1828 

 1829 

 1830 

 1831 

 [832 



rental 



1834 



1836 



1837 

 1838 



1839 

 1840 

 1841 

 1842 

 1843 

 1844 

 1845 

 1846 

 1847 

 1848 



1849 

 1850 



1851 

 1852 

 i853 

 1854 



i85 5 6 



1857 

 1858 



1859 

 1860 

 1861 

 1862 

 1863 

 1864 

 1865 



