Ixxxvi LIST OF ILLUSTRATIONS. 



Fig. Page 



120. Head of ScBmatoderns militaris — to show the form of the 



•bill, the covered nostrils, and the disintegrated crest 30G 



121. Head of Querula purpurata — to show the shape of the bill 



• and the covered nostrils 307 



122. Head of Pyroderus scutata — to show the shape of the bill and 



the partially hidden nostrils 309 



128. Head of GepJialoptents ornaUos — to show the ornamental tuft 

 •of feathers on the crown of the head and. the dejjendent 

 lappet on the throat 311 



124. Head of Oalvifrons calvus — to show the bare head 312 



125. Head of Gymnoderus fcetidus — to show the black velvety 



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

 neck 31-1 



126. Head of Procnias carndbarba — to show the string-like wattles 



on the chin and throat 316 



127. Head and primary-quills of Vavasouria alba — to show the 



wattle on the forehead and the jDeculiar-shaped primaries 



at the tip 319 



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



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



coverts 325 



130. Tail oi Hirundo erythrogaster — to show the long outer tail- 



feathers 327 



131. T&tI pi Progne subis — to illustrate its formation 329 



132. TaSioi Atticor a fasciata — to show its formation S'li 



133. Tail of Stelgidopterx eequalis — to illustrate its formation 349 



134. A section of the outer primary of Stelgidopteryx wqualis — ^to 



. show the serrations on the outer web 349 



135. Head of Polioptila innotata — to show the upjier aspect of the 



bill, position of nostrils, an.d. rictal bristles 351 



136. Head of Heleodytes griseus — to show the form of the bill ... 353 



137. Head of Thryophilus albipectus — to illustrate the formation 



of the head and bill .354 



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



139. H^ead of Troglodytes clarus — ^to show the long bill 359 



140. Wings and tail of Henicorhina leucosticta — to show the 



length of the tail- in comparison to the wing 363 



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



the bill 365 



142. Wings and tail of Microcerculus bambla — to show the length 



of the wings in comparison with the tail 368 



143. Head of Mimm gilvus — to illustrate the shape of the bill 371 



144. Head of Donacobius atricapillus — to show the form of the 



bill and nostrils j 373 



145. Head of Platycichla veneztielensis — to illustrate the shape of 



the bill and nostrils 375 



