THE BIRDS OF AUSTRALIA. 
Puffinus paciflcus Tiamiltoni Mathews 
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cunmtus Salvin 
knudseni Stejneger 
laysani Mathews 
alleni Mathews 
Seychelles All dark. 
Fouquet, Rodriguez „ 
Society Islands „ 
McKean’s Island, 
Phoenix group „ 
Marshall group Light-breasted 
Vulcan group 
Bonin Islands „ 
Kauai, Hawaiian group 
Laysan „ 
San Benedicto I., Majority 
California all dark 
The all dark birds from San Benedicto Island are separable from any other 
form of P. paciflcus by their more powerful bills, and it is suggestive that a 
distinct species of white-breasted Puffinus, P. hulleri Salvin, which has 
recently not uncommonly been met with in that locality, has even a larger, 
more powerful bill. 
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