141 

 Gen. LXXX. THALASSIDROMA. Vig- 



271 sp. *Thalassidroma BuLWERi. Gowit^. Bulwer's Petrel. 



Nest. " it inhabits Madeira, or the small islands adjacent." Selby. 



211 a 



211 b 



211 



212 sp. * Thalassidroma Wilsoni. Bonap. Wilson's Petrel. 



Nest. June — July, in burrows, on the southern coast of North America. 

 Eggs. 1, large, rounded, white. 



27.2 a 



272 d 



212 c 



