ANABLEPS, ANAS. 139 



4 4. ANABLEPS. Spec. 1. 

 tetropkthalmus, (snub-nose,) nose truncate ; body 

 cylindric, covered with strong scales. 

 See MS. P. 



4 1. ANARRHICAS. Spec. 3. 



lupus, (sea-wolf,) brown, with dark coloured 

 bands ; fins mostly whitish. 



See MS. P. 



2 6. ANAS. Spec. 120. 



cygnus, (wild swan,) bill semicylindric, black ; 

 cere yellow ; body white. 



tadorna, (sheldrake,) bill knobbed at the base, 

 front compressed ; head greenish -black ; body 

 variegated with white. 



.spectabilis, (grey-head duck,) bill compressed at 

 the base, having a black feathery keel ; head 

 hoary. 



nigra, (black diver,) body totally black ; bill gib- 

 bose at the base. 



martlet) (scaup duck,) black ; shoulders waved- 

 cinereous ;' belly and a spot on the wings white, 



anser, (common goose,) bill semicylindric ; body 

 cinereous above, pale beneath ; neck striate. In 

 wild flocks in Asia. By domestication it be- 

 comes white, pied and variously coloured, and 

 too thick and clumsy for flying to great distan- 

 ces. 



bernicla, (brent-goose,) brown; head, neck and 

 breast black ; collar white. 



canadensw, (wild-goose,) cinerious ; head and 

 neck black ; cheeks and chin white. 



teiicocephala, (blue-bill duck, white-head duck,) 

 bill broad ; tail feathers rigid, pointed, channel- 

 led, middle ones longer. 



