SALMON IN JAPAN. 37 



for their capture. From observation, inquiry, and 

 research, I am inclined to believe that the salmon, 

 whether in the Atlantic or Pacific, seldom approaches 

 nearer the Equator than the forty-first or forty- 

 second degree of north latitude. On the Atlantic 

 sea-board of the State of New York, the Hudson 

 River formerly was his southern limit ; bat alas, that 

 stream is now totally deserted by these valuable 

 visitors, the result of weirs, or the indiscriminate 

 pollution of the stream with the debris of saw-mills, 

 chemical filth from manufactories, &g. On the 

 eastern shores of the Pacific the same parallel will 

 be found the southern boundary of this fisli ; while 

 on the coast of Japan, Tartary, and Siberia, Iiis 

 haunts are marked by the same line of demarkation. 

 From the exclusive laws of the Japanese Govern- 

 ment, I was unable to travel farther to the north 

 than Yeddo, excej^t it Avere to visit the port of 

 Hakodadi, and consequently was prevented from 

 obtaining a personal knowledge of the homes and 

 resorts of the salmon ; for although they are brought 

 in immense numbers into the latter town for sale, 

 they are not captured in the immediate vicinity. 

 The Japanese salmon that I examined resembled 

 more those on the Tay, in Scotland, from their 



