122 GENERA AND SuBGENERA 



*2019. PLECTROPTERUS, Leac/*,1824. (Anas gambensis, 

 *2020. SARKIDIORNIS, Eyton, 1838. Sarcidiornis, Agass. 



(Anas regia, Mol.) 

 *2021. ? Chenalopex, Steph. 1824, nee Ma>hr. 1752. 



Tadorna, p. Brehm. (Anas segyptiaca, Linn.} 

 2022. CHENONETTA, Brandt, 1836. Chlamidochen, Pr.B. 



1854. (Anas jubata, Spix.} 



Subfam. III. ANSERINE, Sw. (G. of B. p. 606). 



*2()23. ANSER, Briss. 1760. Anseria, Rqfinq. 1815. Cygnus, 

 p. Linn. 1735. (Anas anser, Linn.} 



2024. MARILOCHEN, Reichenb. 1853. (Anser brevirostris, 



Heckel.} 



2025. CHEN, JBoie, 1822. Tadorna, Brehm, 1831. Anser, 



Sw. 1837. Chionochen, Reichenb. 1853. (Anas hy- 

 perborea, Gm.) 



2026. CYGNOPSIS, Brandt, 1836. (Anas cygnoides, Linn.} 



2027. EULABEIA, Reichenb. 1853. (Anas indica, Gm.) 

 *202S. NETTAPUS, Brandt, 1836. Anserella, Se%, 1840. 



Nettopus, Agass. (Anas aurita, Bodd.} 



2029. ANSERELLA, Sw. 1837- Cheniscus (Brooke's MSS.), 

 Eyton, 1838, nee Mcekr. 1752. Microcygna, G.R.Gr. 

 1840. Cheniskus, Pr.JB. (Anas coromandeliana, Gm.) 



*2030. ? Bernicla, -S^epA. 1824, nee Bolt. 1798. Anser, 



p. Sw. Brenta, Agass. ? (Anas bernicla, Linn.} 



2031. LEucopAREiA,Eeic^ew&.1853. ( Anas leucop*ia, Bee A*f.) 



2032. TAENIDIESTES, Reichenb. 1853. ( Anas antarctica, Gm.) 



2033. CHLOEPHAGA, Eyton, 1838. (Anas magellanica, G?.) 

 *2034. CEREOPSIS, La/A. 1790. (Cereopsis novae hollandise, 



Lath.} 



Subfam. IV. CYGNIN^;, Pr. B. (G. of B. p. 610). 



2035. CYGNUS, Linn. 1735. Anas, Linn. 1758 et 111. 181L 



Anser, Bonn. 1790. Olor, G.R.Gr. 1841. (Anas 



olor, Gm.) 



>036. OLOR, Wagl. 1832. (Anas cygnus, Linn.} 

 3037. CHENOPIS, Wagl. 1832. Chenopsis, J^ass. (Anas 



atrata, Lath.} 

 2038. COSCOROBA, Reichenb. 1853. Pseudolor, G.R.Gr. 



MSS. (Anas coscoroba, Mo/.) 



