SNOW GOOSE. 



ANSERES. 



276 



ANATID.E. 



Chen hyperboreus (Pallas*). 

 THE SNOW GOOSE. 



Chen, Bok\. — Bill shorter than the head, very robust, and higher than broad 

 at the base ; the culmen slightly convex, the outline of the lower mandible 

 decidedly so, leaving an elliptical spice displaying the lamellfe. Nostrils sub- 

 basal. Feathers on the neck less conspicuously furrowed than in true Anser. 

 Wings long, full, the second quill-feather the longest. Tail rather short and 

 rounded. Tibia feathered to the joint ; tarsus moderately long, reticulate ; 

 three anterior toes connected by a membrane ; hiad toe short and elevated. 



* Spicilegia Zoologica, i. pt. 6, p. 25 (1767). 



t Isis, 1822, p. 563. For an Anserioe genus, Chen is tolerably defined, and in 

 all the species which compose it, white is the predominatiog colour. 



