Order LARIF0EME8 
Family LARIDM. 
No. 149. 
BRUCHIGAVIA NOV.^-HOLLANDI^ GUNNI. 
TASMANIAN SILYER GULL. 
Larus nov^-hollandl® gunni Mathews, Nov. Zool., Vol. XVIII., p. 212, 1912 ; 
Tasmania. 
Xenia jamesonii Gould, Birds Austr., Vol. VII., pi. 20, 1848 (pars). 
Gavia jamesonii Bruch, Journ. fiir Ornith., 1853, p. 102 (pars). 
Gelasfes jamesonii Bonaparte, Naumannia 1854, p. 212 (pars). 
Bruchigavia jamesoni id., Consp. Gen. Av., Vol. II., p. 228, 1857 ; (pars) ; Gould, Handb. 
Birds Austr., Vol. II., p. 387, 1865. 
Larus novce-hollandice Legge, Proc. Roy. Soc. Tasm. 1886, p. 243 ; id. 1887, p. 131, 1888 ; 
Littler, Emu, Vol. II., p. 172, 1903 ; Legge, ih., Vol. IV., p. 105, 1905 ; Wilson, 
ib., Vol. V., p. 83, 1905 ; M’Clymont, ib., Vol. V., p. 162, 1906 ; Littler, Handb. 
Birds Tasm, p. 152, 1910. 
Xema novce-hollandice North, Austr. Mus. Cat., No. 12, p. 351, 1889 (pars). 
Larus novce-hollandice gunni Mathews, Nov. Zool., Vol. XVIII., p. 212, 1912 ; id., Austral 
Av. Rec., Vol. I., p. 55, 1912. 
Distribution. Tasmania ; Bass Strait. 
Adult. Differs from L. n. novce-hollandice in its much whiter primaries ; the third primary 
being extensively marked with white the mirror being very large and coalescing 
with the basal white which is broad and extends until it meets ; the mirrors on the 
first two primaries are also very large, and the basal white is more extensive than in 
any other race ; “ Iris pure silver white, eyelid coral, bill deep lake red, legs and feet 
lake red (Legge) ” ; wing 298 mm., culmen 35, tarsus 50. 
Young. “Mottled with brown on the back and wings; tail with subterminal band of 
brown ; iris brown ” (Littler). 
Nestling. “ Heavily mottled with brown on the upper surface ; under surface white ” 
(Littler). 
Nest. “ Formed of a few rushes and grasses ” (Gould). 
Eggs. Two usually, sometimes three ; ground-colour buff-brown blotched with dark 
reddish-brown and grey ; axis 54, diameter 37-39. 
Breeding-season. October, November, and December (North). 
Gould* says : “ This beautiful species of Gull is abundantly dispersed over 
the sea-shores of Tasmania and the southern coasts of Australia generally ; 
it also frequents the rivers and inland lakes wherever they occur of any extent. 
* Handb. Birds Austr., Vol. II., p. 387, 1865. 
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