CAPfllMULGI 



L'33 



pterylosis has been elaborately d,escribed by Gaeeod for 

 Steatornis ; ' so we shall select that bird, though it is, as 



Ph 



a > 



-Ah 



O 



a ■ 





: ' For notes on Steatornis see, in addition to papers quoted, N. Funck, 

 ' Notice sur le Steatornis ca/ripensis,' Bull. Ac. Belg. 1844, p. 371 ; F. Stolz- 

 JTANN, 'Observations sur le Steatornis P^ruvien,' Bull. Soc. ZtiOl. France, 

 V. 1880, p. 198 ; Humboldt, ' Sur le Steatornis,' Bull. Soc. Philom. 1817, p. 51 ; 



