Hydroprogne Kaup (1829). 



283. Hydroprogne tschegrava tschegrava (Lepechin) 



Oiii-ajisasJii. 



1770. — Sterna Tschegrava Lepechin, Novi Comm. Acad. Pe- 



tropol. XIV, I, p. 500. PI. XIII. (Ca.spian Sea in S. Russia). 



Uydroprogiic caspia (Pall.), Uch'da. 

 Caspian Tern. 

 I lab. Loo-clioo Islands (Yayeyama Group), P'ormosa. 



Tlialasseus Boie (1S22). 



284. Thalassens bergii cristatus (Stephens) u-ajisashi. 



1826. — Sicriia cri?,tata Stephens, Shaws Gen. Zool. XIII, p. 



146. (China). 

 Stcuia hcrgil Licht, Uchida. 

 HaJD. Marcus Isl., Loo-choo IsL, Formosa. 



Sterna L. (1758). 



285. Sterna longipennis Nordmann AjisasJil. 



1835. — Sterna loitgi/yeinu's Nordmann, P>mans Verz. Thieren 



u. Pflanzen, p. 17. (Near Ochotskj. 

 Nordmann's Tern. 

 Hab. Saghalin, Kurile Isls., Hokkaido, Hondo, Shikoku. 



286. Sterna dongallii bangsi Mathe ws neiii-ajisashi. 



191 2. — Sterna dongallii bangsi Mathews, B. of Austr. II. p. 

 364. (Riukiu Islands). 



Sterna dongalli gracilis (nee Gould), Ucliida. 

 1 lab. Loo-choo Islands. 



287. Sterna aleutica I^aird Koshijiro-ajisashi. 



i86g. — Sterna alentiea Bairtl, Tr. Chicago y\cad. Sci. I, p. 321, 

 pi. 31, fig. I (Kodiak Island near Alaska). 



76 



