MONOGRAPH 



OF THE 



PETRELS 



(ORDER TUBINARES) 

 BY 



F. DU CANE GODMAN 



D.C.L. F.R.S. PRESIDENT OF THE BRITISH 

 ORNITHOLOGISTS' UNION ETC. ETC. 



WITH HAND-COLOURED PLATES 

 BY J. G. KEULEMANS 



IN FIVE PAETS 



PART IV. 



WITHERBY & CO. 

 326 HIGH HOLBORN LONDON 



APRIL 1909. 



