BRITISH BIRDS. 61 



SUB GENUS 5. RHYNCHASPIS. Leach. 



Sp. 1. R. CLYPEATA. Linnceus. 



Syn. Anas Clypeata, Linn. Lath. Briss. Gmel. Anas Platyrhynchos 

 Altera, and Anas Platyrhynchos, Ray, Will. Canard Sou- 

 chet, Temm. Souchet, Buff. Shoveller, English Authors. 



SUB GENUS 6. ANAS.* Linnceus. 



Sp. 1. A. BOSCH AS. Linnceus. 



Syn. Anas Boschas, Linn. Lath. Gmel. Le Canard Sauvage, Buff. 

 Canard Sauvage, Temm. Wild Duck, Mallard, (the male,) 

 the Tame Duck, Hook-billed Duck, Varieties, English 

 Authors. 



GENUS 10. TADORNA. Leach. 



Sp. 1. T. RUTILA. Pallas. 



Syn. Anas Rutila, Pall. A. Casarka, Linn. Gmel. Lath. A. Cana, 

 Lath. Canard Kasarka, Temm. Ruddy Goose, Lath. Fer- 

 ruginous Duck, Bewick. 



Sp. 2. T. BELLONII. Stephens. 



Syn. Anas Tadorna, Ray, Will. Linn. Lath. Gmel. Briss. Canard 

 Tadorne, Temm. La Tadorne, Buff. Shieldrake, English 

 Authors. 



GENUS 11. ANSER. Ray. 

 SUB GENUS 1. ANSER. Stephens. 

 Sp. 1. A. SEGETUM. Gmelin. 



* In our sketch of the arrangement of the Dock tribe we used the snb generic name 

 of Boschas, Swainson; on. consideration, we have preferred that of Anas, Linnaius, it 

 being the older one. 



