, Åves, qvibus 
Crura in parte inferiori plumis denudata, 
Pedes ultra corpus poftice vix prominentes, 
Femora extra abdomen pofita, 
Ale ad volatum aptæ, 
- Digiti IV, palmari, membrana conuexi; 
Facies nuda, 
Ro(trum rectum, apice PORONUNR . 
Gula faccata nuda . PELECANUS, 
Facies tecta, i 
Roftrum re&um, acuminatum - ANHINGA. 
"Roftrum caltratum, acurninatum, M. 
Re&trices bine elongate |. - | PHAETON. 
Digiti HI. membrana connexi, LEES 
Pofticus folutus; —— 
Roftrum denticulatum, | 
Cylindrico-fubulat. apiceadunc. - MERGUS. 
Semicylindricum apice ungviculatum - ANAS, 
Roftrum edentulum,. | 
. Compreffum lateraliter; 
Re&dum,acutum, ^. Vae 
Mandibule zeqvales UU ETERNA, 
Mand. inferior longior .. RYNCHOFS, 
| Apice aduncum, [ Au i 
Nares roftro impresfæ Fe, LARUS, 
Narestubulofæ eminentes PROCELLARIA, | 
Pofticus nullus, | 
Roftrum lateraliter compreflum, x AY 
Mandibula fuperior apice adunca, 
Inferiortruncata - >» ALBATROSSA. 
Aves, 
N 
