JXXXVI LIST OF ILLFSTRATIOXS. 



Fip. Papo 



120. Head of TTrpmnfndovis militrnvR — to show the form of thu 



bill, the covered nostrils, and the disintegrated crest 3l)() 



121. Head of Querula inirimrata — to show the shape of tlie hill 



and the covered nostrils 307 



122. Head of Pi/roderus scutata — to show the shape of the hill and 



the partially hidden nostrils 80.0 



123. Head of Ceplialopterus ornatus — to show the ornamental tuft 

 ■ of feathers on the crown of the head and the dependent 



lappet on the throat 311 



124. Head of Calvifrons calvv.s — to show the bare head 312 



12o. Head of Gymnoderns foetidus — to show the black velvety 



feathers on the head and the bare spaces on the sides of the 



neck 314 



12G. Head of Procnias carnoharha — to show the string-like wattles 



on the chin and throat 310 



127. Head and primary-quills of J'ai-asouria alha — to show the 



Avattle on the forehead and the peculiar-shaped primaries 



at the tip 319 



128. Tail of Riparia riparia — which is almost square 323 



129. Tail of Tachycineta albiventris — to show the long under tail- 



coverts 32-j 



130. Tail of Ilirundo erythi'ogaster — to show the long outer tail- 



feathers 327 



131. TaW oi Proyne siihis — to illustrate its formation 329 



132. Tail of Atticorci fosciata — to show its formation 34 1 



133. Tail of Stelyidopterx ceqitalis — to illustrate its formation 349 



134. A section of the outer primary of Stelgidopteryx csqualis — to 



show the serrations on the outer web 349 



135. Head of Polioptila innoiaia — to show the upper aspect of the 



bill, position of nostrils, and rictal bristles 851 



13G. Head of lleJeodytes griseus — to show the form of the bill ... 353 



137. Head of Tliryopliihis alhipectus — to illustrate the formation 



of the head and bill 854 



138. Head of Cinfotliorus alticola — to illustrate the short bill 358 



139. Head of Troylodytes clarus — to shoAv the long bill 359 



140. Wings and tail of Henicorhino levcosticta — to show the 



length of the tail in comjjarison to the wing 3G3 



141. Head of Leucolepis arada — to show the peculiar formation of 



the bill 365 



142. "VVings and tail of Microcerculus hamhJa — to show the length 



of the wings in comparison with the t^ail 3G8 



143. Head of Mimus gilviis — to illusti-ate the shape of the bill 371 



144. Head of I>onacohius atricapillus — to show the form of the 



bill and nostrils 373 



145. Head of PlafycicJila veneztieJensis — to illustrate the shape of 



the bill and nostrils 375 



