Preface. Yjj 



quoted in our Introduction, pp. 39 and 47. For the ti-ansmission of specimens 

 we are much indebted to the following gentlemen: Prof. W. Blasius of Bruns- 

 wick, Dr. Biittikofer of Leyden (now Rotterdam), Dr. A. Dubois of Brussels, 

 Mr. Gurney of Norwich, Mr. Hartert of Tring, Prof. Hertwig of Munich, Prof. 

 V. Koch of Dannstadt, Dr. v. Lorenz of Vienna, Mr. Pleske of St. Petersburg, 

 Dr. E. P. Ramsay of Sydney, Prof. Reichenow of Berlin, and Mr. W. Schliiter 

 of Halle; as well as for special information to Prof, de Groot of Leyden, Resident 

 Jellesma of Manado, Prof. Kern of Leyden, Prof. Newton of Cambridge, 

 Dr. Oustalet of Paris, Dr. Riedel of the Hague, and Count Salvadori of 

 Turin. Inspector Lehnig of the Dresden Museum has assisted us in drawing 

 up the lists of Geographical Disti-ibution and of Local Avifaunas, the alphabetical 

 Index and list of abbreviations, and has supported us in other ways; as has also 

 Miss C. S. Fox of London by her aid in the correction of the proofs. 



Should we, unhappily, have forgotten any one in rendering our thanks, we 

 apologize for such an omission. 



Finally our sincere thanks are due to the Publishers for their compliance in 

 all onr wishes as to the fashion of the book. 



Royal Zoological Museum, Dresden, April 30ti», 1898. 



