Order PROCELLARIIFORMES. 
No. 7. 
Family THALA SSIDBOMIDl 
CYMODROMA INSULAE IS. 
ALLIED WHITE-BELLIED STORM-PETREL. 
(Plates 5, 8* and 10.) 
Fregettornis insularis Mathews, Austral. Av. Rec., Yol. II., p. 124, Jan. 28tli, 1915 ; Lord 
Howe Island. 
Fregettornis insularis Mathews, Austral. Av. Rec., Vol. II., p. 124, Jan. 28th, 1915; Mathews 
and Iredale, ib., Vol. IV., p. 108, Dec. 16th, 1920 ; Kinghorn and Caley, Emu, Vol. XXII., 
pp. Sl-96, Oct. 1922 ; Mathews, ib., Vol. XXIII., pp. 51-56, July 1923. 
? Fregettornis alisteri Mathews, Austral. Av. Rec., Vol. II., p. 124, Jan. 28th, 1915: Lord Howe 
Island ; Mathews and Iredale, ib., Vol. IV., p. 108, Dec. 16th, 1920. 
Cymodroma grallaria insularis Mathews, Syst. Av. Australas., p. 110, June 13th, 1927. 
Distribution. Lord Howe Island. 
Adult female. General colour of the upper-surface blackish-brown, including the head, back and 
upper wing-surface ; median wing-coverts lighter ; rump and upper tail-coverts white; 
the feathers of the lower back are white with black tips ; tail-feathers black with white 
on the inner web at the base of all but the middle pair ; breast, abdomen, axillaries and 
inner under wing-coverts white ; smaller coverts round the margin of the wing brown; 
under tail-coverts black with large white bases ; the white feathers on the side of the body 
have dark median lines ; bill, feet and legs black. Wing 168 mm.; culmen 13, tail 80, 
tarsus 3S. CoHected on the west coast of Lord Howe Island on the 2nd of February 
1914, and is the type of insularis. 
Sexes alike. 
Immature. Like the adult. 
Nest. A tunnel, enlarged at the end. 
Egg. Clutch one, taken on February 2nd, 1914. White and glossless, 36-5 x 25 6 mm. 
Breeding-season. February 2nd. 
No. 7a. 
CYMODROMA ALISTERI. 
(Plates 7 and 10.) 
Fregettornis alisteri Mathews, Austral. Av. Rec., Vol. II., p. 124, Jan. 28th, 1915: Lord Howe 
Island. 
The adult female type of alisteri differs from tlie above in having the inner 
under wing-coverts greyish-brown, not pure white ; the axillaries the same 
♦Plate 8 is lettered G. howensis. 
10 
