350 INTELLIGENCE OF ANIMALS. 



lacking by setting on her eggs during the cooler 

 nights ; but in none of these, nor in a score of 

 other cases, in which there seems a rational fore- 

 sight, can we determine how far the acts result 

 from intelligent reflection. In domesticated ani- 

 mals, and especially in such as are trained for 

 the service of man, the action of intelligence 

 may be clearly traced ; it is demonstrated by the 

 ease and certainty with which they can be edu- 

 cated ; it is seen in the' readiness with which 

 many receive and act upon ideas communicated 

 to them; and in a multitude of instances the 

 mental process is evident by which they have, 

 independently, reached conclusions rationally 

 deduced from facts^f their previous knowledge. 

 Mr. J. Hope relates a circumstance of a terrier 

 who had been temporarily left by his master in 

 the care of a Mrs. Langford at St. Albans. 

 This lady owned a large house-dog which, dislik- 

 ing the presence of the stranger, quarreled with 

 him, biting and severely wounding him, after 

 which the terrier disappeared ; but in a few days 

 he returned again, accompanied by a powerful 



