452 MR. T. E. BUCKLEY ON THE [May 15, 



Still further verifies. Fip;ure 4 (p. 451) shows this formation in the 

 palate of Fteroptochus albicolUs. 



These facts, when correlated, suggest a slight modification of the 

 arrangement of the Tracheophonse as based upon the nature of the 

 tarsal scutellation and the structure of the tails. In their valuable 

 •Nomenclator Avium Neotropicalium,' Messrs. Sclater and Salvin 

 divide the suborder thus : — 



Suborder Tracheophon^. 



Fam. 1. Dendrocolaptidte. 



Subfam. 1. Furnariinse. 

 Subfam. 2. Sclerurinse. 

 Subfam. 3. Synallaxinse. 

 Subfam. 4. Philydorinre. 

 Subfam. 5. Dendrocolap tinge. 



Fam. 2. Formicariidce. 



Fam. 3. PteroptochidcB. 



To me it would appear that the following arrangement better re- 

 presents their mutual alliances: — 



Suborder Tracheophon^. 



Fam. 1. Furnariidce. 



Subfam. 1. Furnariinse. 

 Subfam. 2. Sclerurinse. 

 Subfam. 3. Synallaxinse. 

 Subfam. 4. Philydorinse. 



Fam. 2. PteroptochidcB. 



Fam. 3. Dendrocolaptidce. 



Fam. 4. Conopophagidce. 



Fam. 5. Formicariidce. 



5. On the past and present Geographical Distribution of the 

 Larger Mammals of South Africa \ By T. E. Buckley, 

 B.A., F.Z.S. 



[Eeceived April 30, 1877.] 



Since my last communication to the Society on the Geogra- 

 phical Distribution of South-African Mammals (P. Z. S. 1876, 

 p. 277), I have again visited South Africa, and have gathered some 

 further information on the subject ; and the following are the addi- 

 tions and corrections I wish to make to my former paper. 



Professor Newton, a short time ago, kindly showed me a letter he 

 had received from Mr. E. L. Layard, in which Mr. Layard criticised 



1 Continued from P. Z. S. 1876, p. 277. 



