440 ANAS, ANGUILLA, 



clypeata, (shoveller,) end of the bill dilated, round- 

 ed, with an incurved nail. 

 dangula, (gold-eye,) varied with black and white ; 



head tumid^ violet ; large white spot at eacl^ 



corner of the mouth. 

 tuerspicillata, vblack duck,) black ; crown and 



nape white ; bill with a black spot behind the 



nostrils. 

 acuta, (pin-taiL) tail pointed, long, black beneath; 



hind-head each side with a white line ; back 



cinereous, waved. 

 crecca, (common teal,) wing-spot green ; white 



line above and beneath the eyes. Wing-spot 



varies to brown and black. 

 caroliniensis, (ainerican teal,) waved with black 



and white ; head and upper part of the neck 



chesnut ; throat spotted with black ; wing-spot 



green ; line beneath the eyes and shoulder-arch 



white. 

 fuscescens, (brown duck,) brownish j head and 



neck paler ; wings cinereous, spot blue, tipped 



with white ; tail dusky. 

 Iwschas, (mallard duck, common duck,) cinereous ;. 



middle tail feathers of the male (or drake,) re- 



curvate ; bill strait; collar white. Size and 



colour varies by domestication. 

 obscura, (dusky duck,) brown, edged with yellow 



beneath ; wing-spot blue, with a transverse black 



bar; tail wedge-form, dusky, edged with white; 

 See MS. P. 



41. AN GU ILL A. Spec. 1. 



Vulgaris, (common eel, silver eel,) dorsal and cau- 

 dal fins united. Colour often greenish above 

 and of a silvery hue below ; but its colour va- 

 ries according to its situation. 



See MS. P. *" 



