Ord : XV 

 Palmi- 

 pedes. 



125 

 Gen. LXXV. STERNA. Li 



239 sp. * Sterna caspia. Pallas. The Caspian Tern. 



Slfloclielidon „ Brehm. 



Nest, on sand, or on rocks on the sea-shore, in the east of Europe. 



Eggs. 2-3, yellowish white, with blotches pale grey, and irregular spots and blotches dark 

 brown. 



239 



239^ 



239 



240 sp. t Sterna cantiaca. Gmd. The Sandwich Tern. 

 Thalasseus cantiacus. Bote. 



Nest. May — June, on sand or on rocks, on the sea-shore. 



Eggs. 2-3, yellowish white, blotched with pale grey and dark olive-brown. 



240 a 



240 <5 



240 c 



