136 CATALOGUE OF EGGS OF BRITISH BIRDS. 



Schinz, Eier, t. 12. f. 3, 4 ; Lefevre, Ool. Eur. t. ; Oken, 



Naturg. Nest. u. Eier, t. 6. f. 11. 

 Larus cinerarius, Linn. 

 I yarns canescens, Bechst. 

 Larus erythro|)us, Gmel. 

 Larus procellosus, pt., Bechst. 

 Xema ridibundus, Boie. 

 Xema pileatum, Brehm. 

 Chroicoce})halus ridibundus, Eyton. 

 Gavia ridibunda, Kaup. 

 Larus atricilla et Larus naevius, Pall. 

 Black-headed Gull, Mont. ; Yarr. ; Lew. Br. B. Sf Eggs, 



pi. 43. f. 1. 

 Brown-headed Gull, Mont. 

 Red-legged Gull, Mont. 

 Black-headed Gull, variety, Penn. 



? 9. Larus capistratus. The Masked Gull. 



Lavus capistratus, Temm.; Thienem. Fortpji. Vog. Eur. t. 21. 



f. 3; Schinz, Eier, t. 21. f. 3. 

 Larus ridibundus, pt.. Keys. Sf Bl. 

 Larus ridibundus minor, Schleg. 

 Xema capistrata, Boie. 

 Chroicocephalus capistratus, Eyton. 

 Gavia capisti-ata, Kaup. 

 Masked Gull, Lath. ; Yarr. 

 Brown-headed Gull, Eyton. 



? 10. Larus Bonapartii. Bonaparte's Gull. 



Larus Bonapartii, Richards. Sf Swains. 



Xema Bonapartii et Larus capistratus, Pr. Bonap. 



c. Hydrocol.«:us. 



H. Larus minutus. The Little Gull. 



Larus minutus, Pall.; Oken, Naturg. Nest. u. Eier, t. 5. f, 26. 



Larus atricillo'ides, Falk. 



Xema minutum, Boie. 



Hydrocolceus minutus, Kaup. 



Chroicocephalus minutus, Eyton. 



Gavia minuta, Macgill. 



Little Gull, Mont. ; Yarr. 



