Order PROG ELL ARIIFORMES 
No. 82. 
Family PROCELL ARIIDM. 
PUITINUS ASSIMILIS ASSIMILIS. 
ALLIED PETREL. 
PUFFINUS ASSIMILIS Gould, Synops. Birds Austr., Pt. iv., add., p. 7, 1838; “New South 
Wales ” (afterwards admitted to be Norfolk Island). 
Puffinus assimilis Gould, Synops. Birds Austr., Pt. iv., add., p. 7. 1838 ; id., Proc. Zool. 
Soc. (Bond. ) 1837, p. 156 (pubhshed December, 1838) ; id., Birds Austr., Vol. VII., PI. 59, 
1848 ; Crowfoot, Ibis, 1885, p. 269 ; Cheeseman, Trans. New Zeal. Inst. 1887, Vol. 
XX., p. 164, 1888 ; Salvin, Ibis, 1888, p. 357 ; Cheeseman, Trans. New Zeal. Inst. 
1890, Vol. XXII., p. 226, 1891 ; Hutton, Proc. Zool. Soc. (Bond.) 1893, p. 750; Salvin, 
Cat. Birds Brit. Mus., Vol. XXV., p. 384, 1896 ; Hall, Key Birds Austr., p. 92, 1899 ; 
Oates, Cat. Birds’ Eggs Brit. Mus., Vol. I., p. 155, 1901 ; Campbell, Nests and Eggs 
Austr. Birds, p. 876, 1901 ; Hall, Key Birds Austr., p. 92, 1906 ; Mathews, Handl. 
Birds Austral., p. 16, 1908 ; Godman, Monogr. Petrels, p. 133, 1908 ; Iredale, Emu, 
Vol. X., p. 12, 1910 ; Bittler, Handb. Birds Tasm., p. 164, 1910 ; Hull, Proc. Binn. 
Soc. N.S.W. 1909, Vol. XXXIV., p. 647, 1910. 
Puffinus affinis Penny Cyclopedia, Vol. XVIII., p. 42, 1840. 
Puffinus australis “ Eyton,” Gould, Birds Austr., Vol. VII., text to PI. 59, 1848. 
Puffinus nugax Bonaparte, Consp. Gen. Av., Vol. II., p. 205, 1857 (from Solander) ; Coues, 
Proc. Acad. Nat. Sci. Philad.1864, pp. 141, 144 ; Gould, Handb. Birds Austr., Vol. II., 
p. 458, 1865 ; North, Austr. Mus. Cat. No. 12, p. 377, 1889. 
Procellaria nugax Schlegel, Mus. Pays-Bas, Vol. VI., Procell., p. 31, 1863. 
Puffinus obscurus assimilis Rothschild and Hartert, Nov. Zool. 1899, Vol. VI., p. 197. 
Disthibutioft. East Australian seas ; Norfolk Island (breeding) ; (Kermadecs, breeding). 
Adult male. Barger than P. a. tunneyi, with less white on the lores, and generally of a 
darker coloration above. “ Begs and feet light blue in front, black behind ; webs 
paler blue (yellowish when dry ! !) ; outer margin of outer toe black, claws black. 
Upper mandible black on the culmen ; the sides light blue, paler towards the 
base ; lower mandible with the tip black, remainder pale light blue ” (W. R. B. 
Oliver and T. Iredale, Kermadecs). 
Adult female. Similar to the male. 
Immature. “ The plumage is as in the adult, except that the longer wing-coverts and inner 
secondaries are minutely tipped with white ; but the long, fluffy, dark -grey down 
still adheres to the sides of the body ” (BuUer). 
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