14 SALMON1A. [FIRST DAT. 



have my attention directed to its habits. Indeed, I 

 have often regretted that sportsmen were not fonder 

 of zoology ; they have so many opportunities, which 

 other persons do not possess, of illustrating the origin 

 and qualities of some of the most curious forms of 

 animated nature, the causes and character of the 

 migrations of animals, their relations to each other, 

 and their place and order in the general scheme of the 

 universe. It has always appeared to me, that the two 

 great sources of change of place of animals, were the 

 providing of food for themselves, and resting-places 

 and food for their young. The great supposed migra- 

 tions of herrings from the pole to the temperate zone 

 have appeared to me to be only the approach of 

 successive shoals from deep to shallow water, for the 

 purpose of spawning. The migrations of salmon and 

 trout are evidently for the purpose of depositing their 

 ova, or of finding food after they have spawned. 

 Swallows, and bee-eaters, decidedly pursue flies over 

 half the globe. The scolopax or snipe tribe, in like 

 manner, search for worms and larvae, flying from 

 those countries where either frost or dryness prevents 

 them from boring, making generally small flights at 

 a time, and resting on their travels where they find 

 food. And a journey from England to Africa is no 

 more for an animal that can fly, with the wind, one 

 hundred miles in an hour, than a journey for a 



