PLATE CCXVIII. 



ANAS ADUNCA. 

 HOOK-BILLED DUCK. 



Anseres. 



GENERIC CHARACTER. 



Bill convex, obtufe, the edges divided into lamellate teeth : tongue 

 fringed, obtufe : three fore-toes connected ; the hind one folitary. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 

 Middle tail feathers recurvate : bill incurvatc. 



Anas Adunca : verficolor, re&ricibus intermediis (maris) recur- 

 vatis, roftro incurvato. Gmel. Linn. Syji. Nat. 

 538. 41. 



Anas roftro incurvo. Brijf. Orri. 6. p. 3] 1. n. 2. 



Anas Boschas£: reftricibus intermediis (maris) recurvatis, roftro 



incurvato. Lath. Ind. Orn. 851. 

 Hook-billed Duck. Albin. 11. t. 96, 97.— Id. 111. t. 100.— 



Will. Orn. (Angl.) p. SSL t. 75.— Lath. Gen. 



Syn. vi. p. 495. D. 



H3 This 



