THE PETRELS 359 



Italian petre llo, or Little Peter, by reason of these 

 birds appearing to walk on the water and at times 

 to sink into it when hunting after the fish on which 

 they feed. 



There are twelve varieties of the petrel which 

 are included in the list of British birds, viz. : 



1. The fulmar petrel. 



2. The capped petrel. 



3. The collared petrel. 



4. The great shearwater. 



5. The sooty shearwater. 



6. The Manx shearwater. 



7. The dusky shearwater. 



8. The white-faced or frigate petrel. 



9. Bulwer's petrel. 



10. The storm petrel. 



1 1. The fork-tailed petrel 



12. The long-legged or Wilson's petrel. 



Of these, the four following varieties are resident 

 in Britain : 



1. The fulmar petrel. 



2. The Manx shearwater. 



3. The storm petrel. 



4. The fork-tailed petrel. 



The capped petrel, the collared petrel, the dusky 

 shearwater, the white - faced or frigate petrel, 

 Bulwer's petrel, and the long-legged or Wilson's 

 petrel, are too rare to claim our attention. 



The fulmar petrel, the largest of the family, 

 measures some nineteen inches in length, equalling 



