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UTILITARIAN ZOOLOGY 



wholly yellow (tota lutea), except the end of its wings. Of late 

 the ingenuity of * the fancy ', which might seem to have exhausted 

 itself in the production of top-knots, feathered feet, and so forth, 

 has brought about a still further change from the original type. 

 It has been found by a particular treatment, in which the mixing 



Fig. 1274. Canaries (Serinus canarius}. i, Wild form; 2, common yellow; 3, crested variety; 4, Scotch fancy. 



of large quantities of cayenne -pepper with the food plays an 

 important part, the ordinary * canary yellow ' may be intensified 

 so as to verge upon a more or less brilliant flame colour. Birds 

 which have successfully undergone this forcing process, and are 

 hence called ' hot canaries ', command a very high price, for a 

 large proportion die under the discipline, though it is said that 



