BIMACULATED DUCK. ] ] 9 



greenish black ; front of the lower part of the neck 

 and sides of the breast reddish brown, with oval 

 black spots ; middle part of the breast pale reddish 

 brown, also spotted with black ; ground colour of 

 the mantle pale sienna-yellow, undulated with black 

 lines, scapulars the same, tipped with glossy Scotch 

 blue; wing-coverts hair-brown, the lower range 

 having pale wood-brown tips ; speculum dark green, 

 glossed with purple; tail wedge-shaped, with the 

 two middle feathers black, narr' ^ T accuminate, and 

 much longer than the rest, whicn are hair-brown 

 margined with white ; belly and abdomen yellowish 

 white, with undulating black lines most distinct 

 upon the flanks ; legs and feet pale orange." 



The somewhat lengthened shape and partially ac 

 cumulated tail of the last, leads us to a form which, 

 though closely allied, has been raised to the rank 

 of a sub-genus, chiefly on account of the great de- 

 velopment of the tail. The bill deviates from that 

 of the typical form of boschas, but runs into that 

 of the species to which the title of teals was -applied, 

 and which w r ere placed by many ornithologists under 

 Querquedula of Ray; few species are yet known, 

 and these frequent principally inland localities. 



DAFILA, Leach. Generic characters. Bill long, 

 slightly widened at the tip, laminae not visible 

 externally ; nostrils pierced through ; wings 

 long, accuminated ; tarsi and feet slender, and 

 not developed ; hallux articulated on the tarsus, 



