d'ornitologia europea 81 



VuUiir Percnopteros, Pallas. v. Gyps Vulgaris, Sav. 

 Vullur Piscarius, Marsil. v. Rissa Trydaclyla, Leach. 

 Vullur Ponlicerianiis, Lath. v. Vullur Auricularis , Daud. 

 Vullur Ruber seu LateriUi coloris, Rzac. v. Gyps Fulvus, 



Gray. 

 Vullur Slercorarius, v. Neophron Percnoplerus, Savig. 

 Vullur Troncalus, v. Gyps Fulvus, G. Gray. 



w. 



Wagelus, Raj. v. Procellaria, Linn. 



Wiosela Gesneri, Rzac. v. Turdus lUiacus, Linn. 



X. 



Xanlhornus, Pallas. v. Euspiza^ Bp. 



Xaoiboruus Caucassìcus, Pali. v. Euspiza Melanocephala* 



Bonap. 

 Xema, Leach., Bonap. Gal. geo. 248., Brehm. , Boie, 

 Durazzo. 

 Cepphns, Gesn. 

 Croccocephalus, Eyton. 

 Gavia, Briss. , Kaup. 

 Hirundu, Rzac. 

 Hydroct)Ieus, Kaup. 

 Ichlhyialus, Kaup., Riippell. 

 Larus, Aldrov. , Jonst. , Pallas, Ranz. , Grael. , 

 Shaw. , Falkl. , Leisl. , Lath., Sibb. , Rzac, 

 Schw. , Leach., Teram. , Wall. , Bewick. , 

 Bonap. Specchio Comp. , Ben. , Savi , Cresp. 

 Xema Atricilla, Bonap. Cai. sp. 500. 



Gavia Ridibunda, Briss. secondo la sinonimia ri- 

 portata da Gmel. 

 Larus Atricilla, Linn., Sebi, e non Pallas come 

 la riportano alcuni Amori. 

 M. inn. Se, ^ATUB. S<aii 111. Tomo 8. t 



