432 Messrs. C. G. Danford and J. A. Harvie Brown on 



276. Sterna hybrida^ Pall. 



Herr Csato says that several specimens were killed out of 

 some small flocks wliich appeared in the Strell valley in June 

 1863. Herr Buda Adam has also shot it near Hatzeg. 



"^277. Sterna leucoptera^ Meisner & Schintz. 

 Not very common. We found them at Zah in company 

 with the next species. 



*278. Sterna pissipes^ L. Firi Csdka (Water- Jackdaw) . 



Common on the larger lakes and rivers. We saw many at 

 Tohat and Zah. Herr Otto records having seen a flock of 

 about 2000 on the 29th April in the Mezoseg. 



279. Larus ridibunduSj L. Neveto Sirdlyf (Laughing 

 Gull). 



Not rare in spring. One was killed near Klausenburg 

 during our stay there. 



280. Larus minutus. Pall. Kis Sirdly, 



Not rare in the lakes of the Mezoseg, where we saw it on 

 various occasions, and shot an immature bird at Tohat in the 

 early part of May. Herr Csato has observed them in the 

 Strell valley during spring, but says they do not occur in 

 autumn. The birds seen in the country are, no doubt, ofl"- 

 shoots from the immense migratory flocks of this species 

 which, as described by Mr. W. H. Simpson (Ibis, 1861, 

 p. 362), frequent the freshwater lakes of the Dobrudscha 

 preparatory to their flight northwards to their breeding- 

 quarters on the great Russian lakes Ladoga and Onega. 



281. Larus tridactylus, L. 



Rare. It has been observed in late autumn and winter, 



282. Larus canus, L. 



Rare, but is sometimes met vsdtli in stormy weather, and 

 has been killed on the Alt, near Hermannstadt. 



283. Larus argentatus, Gmel. 



Very rare. A specimen shot at Dees is in the Klausen- 

 burg Museum. 



t Hungarians call all Terns and Gulls "Siraly," from their mournful 

 wailing cry. 



