INTRODUCTION. vii 



the types of species figured by me in the " Illustra- 

 tions of Indian Zoology " and the " Zoological Mis- 

 cellany." 



John Richardson, M.D., as the types of the species de- 

 scribed by that zoologist in the " Fauna Boreali- 

 Americana." 



Capt. James C. Ross, R.N., as the types of the species 

 discovered during the Antarctic Expedition. 



Chevalier Schomburgk, as the types of the species col- 

 lected during his travels in British Guiana, and de- 

 scribed by Mr. Gould. 



John Taylor, Esq., as the types of the species described 

 by Mr. Swainson in his paper on the Birds of 

 Mexico. 



/. R. W. Thompson, Esq., R.N., as the types of the 

 species discovered during the voyage up the Niger, 

 and described by Sir W. Jardine. 



Amongst the specimens or collections which have been 

 procured by purchase or exchange, the following may 

 be specially indicated : viz., those from 



The Frankfort Museum, as being the types of the species 

 collected by Dr. Edward Riippell, in his travels in 

 North Africa and Abyssinia, and described or figured 

 in his " Zoologischen Atlas ;" " Fauna von Abyssi- 

 nien/' and in his papers in the " Transactions of the 

 Senkenbergian Museum at Frankfort." 



The Leyden Museum, as authentic specimens of the 

 species described by M. Temminck, the director of 

 that institution, in his " Planches Coloriees," and by 

 Miiller in his contributions to the Natural History of 

 Borneo. 



The South African Museum, as being the specimens col- 



