NETTION 1 i)'] 



Genus NETTION. 



The genus Nettium or Nrftioii is one of the largest in the order 

 Chenomnrjjhse. As restricted by Salvadori, there are seventeen 

 species contained in it, of which three only are found in India. 

 The range of the genus is cosmopolitan, and it contains species both 

 resident and migratory, l^oth of which are represented in India. 



The differences between Nettion and Anas, CJiauIelasinu.'i and 

 Mareca have been already pointed out. 



Kcjl to Speciex. 



Speculum, secondaries bronzed greeu at base, then black and 



tipped white, and with their coverts tipped rufous . . .V. fonnosi{m. 



Speculum, outermost secondaries black with white tips, those 

 next them brilliant metallic-green, next again to tliem 

 one black, the remainder like back .V. riTcca. 



Speculum, outer secondaries black except two or three in the 



centre (7 to 9). which are bi-onzed -green N. alliKiularc. 



