ORDER PALMIPEDES. 583 



part of back, and scapulars, ash ; wing-coverts, ash ; 

 inner webs of first two quills, white-banded. Southern 

 Europe, and the Mediterranean. 



When young, bill, black ; nape and belly, white ; 

 crown and back, brownish ; wings and tail, ash ; 

 rump, white. 



The foreign species are, 



Black-naped Tern. Sterna Media ^ Horsf. Nape 

 black; crown, black and white; forehead and body 

 above, white. Java. 



Allied Tern. Sterna Affinis, Horsf. White; 

 back and wing coverts, greyish lead-colour. Java. 



Hoary Tern. Sterna Grisea, Horsf. Grey fore- 

 head ; collar and beneath, white. Java. 



Slender Bill Tern. Sterna Tenuirostris, Tern. 

 PI. Col. t. 202. 



Bill, straight, very slender, black ; legs, greenish ; 

 Tarsi, short ; web, complete ; tail, conical, longer than 

 the wings, blackish-grey ; crown, white ; neck, bluish- 

 grey. East Africa. Length, eleven inches. 



Cayenne Tern. St. Cayana, Enl. 988. 



Bill, elongate, stout, orange, blue-grey; beneath, 

 white ; nape, black ; quill-shafts white ; tail, much 

 forked ; tarsus, eleven and a quarter inches long, 

 black ; web, entire ; crown, black in summer. Bonap. 

 Amer. Orn. iij. t. 



St. Melanauchen^ Tem. Col. 427- 



White, above greyish ; bill feet, back of neck, and 

 band enclosing the eye, and outer band of the first 

 quills, black. Celebes. Length, thirteen or fourteen 

 inches. 



