d'ornitologia europea 55 



Slerna Nitzchii, Kaup. Bonap. Cai. sp. 484. 



Secondo Schlegel è specie dubbiosa. 



Sterna Nitzschii, Kaup. v. Sterna Macrura, Naum. 



Sterna Obscura, Grael v. Hydrochelidon Fissipes, Bonap. 



Sterna Obscura, Gniel. v. Hydrochelidon Leucoplera, Boie. 



Slerna Paradisea, Brun. , Bonap., Schl. 



Slerna Dougalli, Temm. , Savi, Eyion, Ben., 

 Bonap. list. sp. Eur. 446., Durazzo, Cresp. 

 Slerna Douglas!, Moni., Bzac, Kaup. 

 Sterna Hirundo, Renz. 

 Thalassea Douglasi, Kaup. 



Sterna Paradisea, v. Slerna Hirundo, Linn. 



Sterna Parva, Penn. v. Hydrochelidon Minuta, Bonap. 



Sterna Philippina, Lalh. v. Anous Stolidus, Gray. 



Sterna Plumbea, Wils. v. Hydrochelidon Leucoplera, Boie. 



Slerna rectricibus maximis nigrìs^, Linn. v. Lestris Para- 

 sitica, K. e BI. 



Sterna Stolida, Linn. v. Anous Stolidus, Gray. 



Sterna Striata, Gmel. v. Thalasseus Cantiacus, Boie. 



Sterna Slubberica, Ott. v. Gelochelidon Anglica, Brehra. 



Sterna Slubberica, Otto. v. Thalasseus Cantiacus, Boie. 



Sterna Turneri, Will. v. Sterna Hirundo, Linn. 



Sterna vel Strina, Gesn. v. Slerna Hirundo, Linn. 



Slerna velox Riippell, Bonap. Gal. sp. 485. 



Schlegel non ammette questa specie come Eu- 

 ropea. 



Slernula, Boie. v. Hydrochelidon, Boie. 



Slernula Minuta, Boie. v. Hydrochelidon Minuta, Bonap. 



Slreparola, Bonap. v. Sylvia, Lalh. 



Slreparola Conspicillala, Bonap. v. Sylvia Conspicillata, 

 Marsil. 



Streperà , Briss. v. Chaulelasmus, Gray. 



Streperà, Briss. v. Chaulelasmus Slreperus, Gray. 



Slrepsilas, IH. , Bonap., Temm., Ranz., Savi, Less., Leach., 

 Steph. , Eyton, Vig., Ben., Durazzo, Risso, 

 Cresp. eie. 



