200 PBOCELLABIIDJE. 



Genus GESTRELATA, Bonaparte, Compt. Rend. xlii. 

 p. 768 (1856). 



CEsireUda = oiVrpijXaros, driTen by frenzy ; from oltrrpos = a gadfly, thence 

 any thing that drives mad, and eXaivu = I drive ; in allusion to the bird's 

 habit of perpetually flying to and fro. 



(Estrelata haesitata. Capped Petrel. 



Procellaria hasitata, Kuhl, Beitr. Zool. i. p. 143 



(1820). 



Procellaria haesitata^ Gray, p. 226 j Yarr. ed. 2, Suppl. p. 63; 



id. ed. 3;, iii. p. 643. 

 Estrelata hsesitata, Gould, Introd. p. cxxxix. 

 ffistrelata haesitata^ Dresser, viii. p. 545 ; Harting, p. 177. 



H<esitdta, from hmsitare = to be uncertain, hesitating, as if it were a " doubt- 

 ful" species. 



A single straggler has been obtained in Norfolk. It in- 

 habits some of the West-Indian Islands and adjoining seas. 



Genus BULWEEIA, Bonaparte, Cat. Met. Ucc. Eur. p. 81 



(1842). 



Bulweria, in honour of the Mr. Bulwer, a resident in Madeira, who obtained 

 the specimen figured in Jardiue\and Selby's ' Illustrations of Ornithology,' ii. 

 pi. 65. 



Bulweria columbina. Bulwer's Petrel. 



Puffinus columbinus, Moquin-Tandon, Orn. Canar. 



p. 44 (1841). 



Thalassidroma bulwerii, Macg. v. p. 449; Heioitson, p. 522; 



Yarr. ed..2, iii. p. 636; id. ed. 3, iii. p. 664. 

 Thalassidroma bulweri, Gould, Introd. p. cxl; Gray, p. 224. 

 Procellaria bulweri^ Harting, p. 178. 

 Bulweria columbina, Dresser, viii. p. 551. 

 Bulwer's Petrel, Yarr. ed. 1, iii. p. 513. 



Cohmnhlna = dove-lite ; from columba = a dove, q. v. 



Two stragglers appear to have been obtained on the coasts 

 of Yorkshire. It inhabits the Atlantic, in the vicinity of 

 the Canaries and Madeira. 



