110 



DENDROCYGNA VIDUATA. 



Bend. Mas. — Capite anteriore guttureque albis ; subtus atro. 

 Bend. Fem. — Man similis, sed obscurior. 



WIDOW WHISTLING DUCK. 



Male cluck, with the fore part of the head and throat white ; below black. 

 Fem. duck, similar, but with the marking not so bright. 



IN. IN. IN. 



Length 20 Bill 1| Tarsi If 



Fore part of the head and throat whitish ; crown white, with the tip of the feathers stiff like 

 hair, and olive brown ; occiput and hind neck black ; upper part of the neck and breast dark 

 chesnut ; back fuscous olive, the edge of each feather lighter ; smaller wing coverts chesnut ; quills 

 and secondaries black ; remainder of the wing fuscous, with a tinge of green ; tail, middle of the 

 abdomen, and thighs black ; flanks yellowish white barred with black ; legs and bill black. 



Female similar, but with the colours not so bright. 



Anas viduata Linn. S//st. 1 . 205. 



Gmel. Syst. 1. 536. 



Lath. Ind. Orn. 2. 858. 



Spanish Buck Penn. Genera of Birds, pi. 13. 



Canard a face blanc de Maragnon Buff. Ois. 9. 255. 



Inhabits both South America and Senegal. Is represented by travellers as having, like the rest of 

 its genus, a peculiar whistling note. 



DENDROCYGNA ARBOREA. 



Bend. — Brunnea albo maculato ; vertice nigro. 



BLACK-BILLED WHISTLING DUCK. 



Brown duck, mottled with white ; the crown black. 



™. IN. 



Length 191 Middle toe 3 



Bill 21 Outer toe 2 3-5ths 



Tarsi 3 Hind toe 1 



Inner toe 2 l-5th 



Crown black ; fore part of the head, back, breast, and wings, dark brown ; lighter on the 





