Chap. XIII.] 



INSTRUMENTAL MUSIC. 



C3 



(c7, 6, /) in the female. Even the bones of the wing which 

 support these singular feathers in the male are said by 

 Mr. Fraser to be much thickened. These little birds 

 make an extraordinary noise, the first " sharp note being 

 not unlike the crack of a whip." 



55 66 



a 



f 



Fig. 45.— Secondary wing-feathers of Pi pro, deliciosa (from Mr. Sclater, in Proc. 

 Zool. Soc. 1860). The three upper feathers, a, b, c, from the male ; the three 

 lower corresponding feathers, d,e,f, from the female. 



a and d. Fifth secondary wing-feather of male and female, upper surface, b 

 and e. Sixth secondary, upper surface, c and /. Seventh secondary, lower 

 surface. 



56 Sclater, in 'Proc. Zool Soc' 1860, p. 90, and in 'Ibis,' vol. ir. 

 1862, p. 175. Also Salvin, in 'Ibis,' 1860, p. 37. 



