FORKED-TAILED PETREL. 



671 



NATATORES. 



LARID;. 



THE FORKED-TAILED PETREL. 



Thalassidroma Leachii. 



Procellaria Leachii, 



Bullockii, 

 Thalassidroma 



Fork-tailed Petrel, 



)> 



Storm 



Procellaria Leachii, Leach's 

 Thalassidroma Bullockii, Fork-tailed 



Procellaria 

 Thalassidroma 



Leachii, Storm 

 ,. Petrel de Leach, 



BEWICK, Brit. Birds, vol. 



ii. p. 261, 



FLEM. Brit. An. p, 136. 

 SELBY, Brit. Ornith. vol. ii. 



p. 537. 



JENYNS, Brit. Yert. p. 286. 

 EYTON, Rarer Brit. Birds, 



p. 101. 



GOULD, Birds of Europe. 

 TEMM. Man. d'Ornith. vol. 



ii. p. 842. 



vol. 



Thalassidrome de Leach, 



iv. p. 512. 



THIS species of Petrel is but very little smaller in size 

 than the bird last described, but is at once distinguished 

 from it by its forked tail and its shorter legs. The first 

 specimen of this bird was obtained at St. Kilda in the 

 summer of 1818, by Mr. Bullock, during a tour round the 

 coast of Scotland, principally undertaken with a view to 



