3S6 



The Descent of Man. 



Part II 



most beautiful species the head is bald, " and of a rich cobalt 

 " blue, crossed by several lines of black velvety feathers."" 



in 'Annals iind Mag. of Nat. Hist.' 'Malay Arohipelago.' 

 4-nl. xiii. 1854, p. 157: see also Mr. " Wallace. 'The Malay Archi- 



Wallace's much fuller account in pelago,' vol. ii. 1869, p. 405. 

 vol. .IX. 1857, p. 412, and in his 



