Order PROCELL A R11 FORM ES. 
Family PR0CELLAR1IDM. 
No. 74, 
CALONECTRIS LEUCOMELAS. 
WHITE-FRONTED SHEARWATER. 
(Plate 56). 
Ante p. 98, pi. 36, Oct. 16th, 1928, I described and figured a bird from 
Japan. Now I figure the supposed Australian shot specimen ( Cf ., Ibis, 1931, 
p. 571, July). 
A<Iult male. Fore-head, top of the head, back of the neck and sides of the face dark chocolate-brown, 
each feather margined with white ; mantle, lower back, rump and upper tail-coverts 
chocolate-brown, margined indistinct^ with lighter brown ; primaries, secondaries and 
tail dark blackish-brown ; under-surface of the body white ; under wing-coverts and 
axillaries white. Total length about 520 mm. : culmen 52, wing 327, tail 149, tarsus 53. 
North Australian Seas (?), Aru Island. 
The sexes are alike. 
Immature after they lose the down, practically resemble the adults. 
Nestling. Covered with greyish down, darker on the back. 
Nest. At the end of a long winding burrow, made on the gentle slope of a hill where the soil is soft 
and alluvial; some burrows are over eight feet in length, measuring the convolutions. 
Some go straight down for about a foot and then follow the contour of the slope. The 
burrows are divided in some cases after using a common entrance. Sometimes there will 
be several burrows so connected. The entrance is placed near a rock, base of a tree, etc.; 
sometimes there are several entrances to one hole, where a favourite rock is situated. 
Eggs. Clutch one, white. Two eggs measure 68*5 mm. by 45, 72*5 by 45*5. They weighed 69 and 
70 grammes each. 
Breeding-season. On Nisliijima, Koai District, Korea, from April to June (only egg-shells 
being found in July). 
The adults arrive at the breeding grounds at the end of March ; the downy young are found 
during August; they leave the burrows by the middle of October and all leave for good by 
the end of October. 
For the above I am indebted to Dr. Kuroda. Descriptions of these eggs have been unknown 
in Europe until now. 
This was published in Tori, Vol. III. (No. 15), pp. 313-314, July 10th, 1923. 
Distribution. Japan, south to Molucca Islands, New Guinea and Aru Islands. 
Mr. Tokii T. Momiyama has sent me the following translation of Mr. S. Kuzu s 
article on the breeding haunts of Puffinus leucomelas Temni. in Tori , Vol. 
VI., No. 27, April, 1929, pp. 108-116, with six photos of the island and the 
nests. 
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