•no 



MESSRS. SCLATER AND SALVIN ON 



[Apr. 4, 



Querquedula discors, 

 Dajila acuta, 

 Mareea americana, 

 Spatula clypeata, 

 Aix sponsa, 

 Fuligula mari'a, 



affinis, 



■ colluris, 



Fuligula americana, 



valisneria, 



Clangula glaucion, 



albeola, 



CEdemia perspicillata, 

 Erismatura rubida, 

 Mergus cucullatus. 



Deducting these 23, there remain 39 in the purely Neotropical list, 

 which may be divided as follows. 



In the first place, the genera Chenalopex, Dendrocygna, Sarcidi- 

 ornis, and Cuirina are es:entially tropicopolitan. vVe may therefore 

 associate the birds of these genera together as an intertropical divi- 

 sion containing eight species, namely 



Chenalopex jubafa, 

 Dendrocygna fulva, 

 — — autumnalis, 

 discolor, 



Dendrocygna arborea, 



viduata, 



Sarcidiornis melanonota, 

 Cairina moschata. 



