INDEX 249 



120 ; abnormal, in animals, Wren, La Plata, Azara on, 153 ; 



120. character of song of, 153. 



White shark, fear inspired by, Wrens, a highly melodious fam- 



113. ily, 153-155. 

 Willow trees on the Rio Negro, 



48. ZENAIUA MACULATA, song of, 



Wolseley, Lord, on instinctive 121. 



courage, 211. Zonotrichia canicapilla, see 



Woodman, 10. Song-sparrow. 



