PREFACE. 



The numbers of the species of Birds treated of in this Volume, and 

 of the specimens at present in the Collection, are as follows :— 



Species. Types. Specimens. 



Chenomorphaj 205 31 5044 



Crypturi 65 29 363 



Eatitaj 26 7 134 



In none of the preceding volumes has the number of desiderata 

 been so small as in the present ; only eight species of the Anseres, 

 seven of the Tinamous, and four of the Ratitce being entirely 

 unrepresented by specimens in the Museum. Beside the 67 types 

 of recognized species, the Collection contains 25 other typical 

 specimens which are now regarded as referable to species pre- 

 viously named and described. 



The unrivalled collection of Tinamous formed by Messrs. Godman 

 and Salvin, and supplemented by the loan of numerous specimens 

 from Continental Museums, has enabled the author to discriminate 

 considerably more species than his predecessors were inclined to 

 admit. 



The Hon. Walter Rothschild, whose collection of Apterj/.r far 

 surpasses that in the British Museum, has given most valuable 

 assistance in the preparation of this Catalogue by lending these as 

 well as other specimens to the author. 



The present volume concludes the series of the ' Catalogue of 

 Birds.' Thanks to the energy with which Count Salvadori has 



