ARCTIC TERN. 



NATATORES. 



507 

 LAIiW^E. 



THE ARCTIC TERN. 

 Sterna arctica. 



Sterna arctica, Arctic Tern, FLEM. Brit. An. p. 144. 



SELBY, Brit. Ornith. vol. ii. p. 473. 



JENYNS, Brit. Vert. p. 267. 



EYTON, Rare Brit. Birds, p. 68. 



GOULD, Birds of Europe, pt. iii. 



Hirondelle de mer arctique, TEMM. Man. d'Ornith.-vol. ii. p. 458. 



M. TEMMINCK first pointed out the distinctions of this 

 species which had previously been confounded with the 

 Common Tern ; these differences will be observed in the 

 bill, the legs, and in the colour of the plumage of the under 

 surface of the body. The bill is full one-quarter of an inch 

 shorter than that of the Common Tern, measured from the 

 point to the commencement of the black feathers on the 



