A. J. 
Data Campbell's No. of 
o. 
339 
343 
344 
345 
340 
348 
No, in 
Book. 
666 
666 
666 
666 
690 
689 
687 
663 
662 
688 
Eggs. 
THE JACKSONIAN OOLOGICAL COLLECTION. 
square miles of ground. The birds deposit only one egg in each burrow for a sitting, and after carefully 
working it out, I find that the total weight of the eggs for the above flock of birds would be over 6,341 
tons. The specimen under notice measures in inches = 2°87 x 1°88. 
WEDGE-TAILED PETREL, 
Puffinus chlororhynchus, Lesson. 
Taken on Julian Rock, Byron Bay, N.S.W., by W. McEnerny and Sid. W. Jackson, on the 18th 
of November, 1899. One egg formed the full sitting in every instance. The eggs varied in size and 
shape, but most of them were very pointed at one end. They are snow white when first laid, but soon 
become dirty and nest stained after being in the nest a few days. This specimen measures in inches 
= 2°51 X 1°63. 
Ditto, data ditto. The egg measures = 2°40 x 1°58. 
One egg, taken by A. J. Campbell, on the 13th December, 1889, on Rat Island, Houtman’s 
Abrolhos, Western Australia. (See his book, page 877.) This egg from the west measures = 2°47 
Kh ss 
Clutch of one egg, collected for A. F. Basset Hull, on Broughton Island, north of Newcastle, New 
South Wales, on the znd of December, 1906. This egg is pure white, and was taken from the nest very 
soon after being laid. It measures in inches = 2°43 x 1°58. 
DIVING PETREL, 
Pelecanoides uvinatrix, Gmelin. 
Clutch of 2 eggs, one egg nearly in every case forms the sitting, two rarely ever being found. This 
set was taken by J. Burton, on Macquarie Island, south of New Zealand, on the rst of November, 18096. 
The eggs are rather round, and measure as follows :—Specimen A. = 1°44 X 1°18. Specimen B. = 
TAs) Xo) ys 
FAIRY DOVE PETREL, 
Prion ariel, Gould. 
Clutch of one, taken by A. J. Campbell on North East Island, of the Kent Group in Bass Straits, 
on the 24th of November, 1890. This egg measures in inches = 1°64 x 1°23. (See A. J. Campbell's 
book, page 918.) 
BANKS’'S DOVE PETREL, 
Prion bankst, Gould. 
Clutch of one, taken by J. Burton on Macquarie Island, south of New Zealand, on the 2rst of 
November, 1896. (See A. J. Campbell’s book, page 916.) This egg is much nest-stained, still I prefer 
to leave it in this condition. It measures in inches = 1°93 x 1°42. 
WHITEH-FACED STORM PETREL, 
Pelagodroma marina, Latham. 
Clutch of 2 eggs, taken by Jas. A. Kershaw on Mud Island, Port Phillip Bay, Victoria, on the 
roth of November, 1880. Specimen A. measures in inches = 1°43 x 1°06. Specimen B. measures 
= 1°43 X I'05. 
GREY-BACKED STORM PETREL, 
Garrodia nerets, Gould. 
This rare egg (a clutch) was taken with others by J. P. Seymour, at Tomahawk Island, Otago 
Peninsula, New Zealand, on the 2oth of November, 1886. This specimen measures in inches = 1°33 
x Loz. 
DOVE PETREL, 
Prion desolatus, Gmelin. 
Clutch of 1 egg, taken during the expedition of the Field’s Naturalists’ Club of Victoria to the 
Kent Group, Bass Straits, on the 23rd of November, 1890. Taken by Jas. A. Kershaw. Egg was very 
heavily incubated ; it measures in inches = 1°78 x 1°35. 
60 
