anH anurtcan Utrtaf. 01 



b. STERNINJE. 

 Gen. 301. STERNA, L. 



414. STERNA WILSONI, Nob. (Ster- 

 na kirundo, Wils.) 



444. STERNA HIRUNDO, L. Gould, 415. STERNA HIRUNDO, L. Aud. 

 pi. 417. Europe generally. pi. 309. Northern and central 



coasts. 



445. STERNA A RCTICA, Tern. Gould, 416. STERNA ARCTICA, Tem. Aud. 

 pi. 419. Northern Europe. pi. 250. Northern coast. 



446. STERNA DOUGLALII Mont. 417. STERNA DOUGALLII, Mont. 

 Gould, pi. 418. Europe gene- And. pi. 240. 



rally. 



447. STERNA MINUTA, L. Gould, 418. STERNA AIIGENTEA, Nutt. 

 pi. 420. Europe generally. (Sterna minuta, WilsJ Aud. 

 The genus Sternula, Boie. pi. 319. Northern and central 



coasts. 

 Genus STERNULA, Boie. 



Gen. 302. HYDROCHELIDON, Boie. 



448. HYDROCHELIDON NIGRUM, 419. HYDROCHELIDON NIGRUM, 

 Sterna Nigra, L.) Gould, pi. Boie. (Sterna Nigra, L.) Cen- 

 422. Europe generally. tral coast. 



449. HYDROCHEHDON LEUCOPTE- 

 RUM, Boie. (Sterna leucoptera, 

 Tem.) Gould, pi. 423. South- 

 ern and eastern Europe. 



450. HYDROCHELIDON LEUCOPA- 

 REIA, Nob. (Sterna leucopa- 

 reia, Natt.) Gould, pi. 424. 

 Southern and eastern Europe. 



420. HYDROCHELIDON FULIGINO- 

 SUM, Nob. ( Sterna fuliginosa, 

 Gm.) Aud. pi. 235. South- 

 ern and south-eastern coasts. 



Gen. 303. MEGALOPTERUS, Boie. 



451.MEGALOPTERUsSTOLiDUs, Boie 421. MEGALOPTERUS STOLiDus,Boie 



(Sterna stolida, L.) Gould, pi. (Sterna stolida, LJ Aud.pl. 



421. Accidental in Europe. 275. Rare on the northern 



coast. 



Genus 304. THALASSEUS, Boie. 



452. THALASSEUS CANTIACUS, Boie. 422. THALASSEUS CANTIACUS, Boie. 

 (Sterna cantiaca, Gm.) Gould, Aud. pi. 279. 



pi. 415. Europe generally. 



423. THALASSEUS CAYANUS, Boie, 

 (Sterna cayana, Gm.) Aud. 

 pi. 273. Southern coast. 



Gen. 305. GELOCHELIDON, Brehm. 



453. GELOCHELIDON ANGLICA, Nob. 424. GELOCHELIDON ARANEA, Nob. 

 (Sterna anglica, Mont.) Gould, (Sterna aranea, Wils.) Aud. 

 pi. 416. Great Britain. pi. 409. Northern coast. 



