mid the External Charactej's of the Passe^Hnes. 



43 



with many muscles, with their g'eographical distribution. With those whose larynx 

 has been examined are also placed those for which we are able to conclude, from the 

 above results, and rules, what their internal structure may be from their external 

 characters. The names of the latter are printed in italics. 



The Scansores are not added, in this table, as in the group of Picarii they hold to- 

 o-ether, and have pretty much the same form in the different divisions of the world. 



Tal/Ie of tlie Genera, loUlwut the Muscular Organ of Voice. 

 (The Genera printed in italics have not had their larynges examined, but are interpolated.) 



Thamnophilus Vieill. 

 Myiothera 111. 

 Conopophaga Vieill. 

 Pithys Vieill. 

 Chamaeza Vig. 

 Grallaria Vieill. 

 Furnarius Vieill. 

 Cinclodes Gray 

 Tinactor Pr. M. 

 Anabates Temm. 

 Anumbius Gray 

 Synallaxis Vieill. 

 Dendrocolaptes Herm. 

 Dendroplex Sw. 

 Glyphorhynchus Pr. M. 

 Dendrocincla Gray 

 Xiphorhynchus Sw. 

 Picolaptes Less. 

 Sittasomus Sw. 

 Dendrodromus Gould 

 Limnornis Gould 

 Enicomis Gray 

 Lochmias Sw. 

 Scytalopus Gould 

 Pteroptochus Kiltl. 

 Xenops Hoifm. 

 Chasmarhynchus T. 

 Ampelis L. 

 Pyrodenis Gray 

 Gymnoderus Geoffr. 

 Cephalopterus Geoffr. 



Old World. 



New World. 



Thamnophilus 



Myiothera 



Conopophaga 



Pithys 



Chamaeza 



Grallaria 



Furnarius 



Cinclodes 



Tinactor 



Anabates 



Anumbius 



Synallaxis 



Dendrocolaptes 



Dendroplex 



Glyphorhynchus 



Dendrocincla 



Xiphorhynchus 



Picolaptes 



Sittasomus 



Dendrodromus 



Limnornis 



Enicomis 



Lochmias 



Scytalopus 



Pteroptochus 



Xenops 



Chasmarhynchus 



Ampelis 



Pyroderus 



Gymnoderus 



Cephalopterus 



Australia and 

 Polynesia. 



G 2 



