DESCRIPTIONS OF EGGS. 
Pachyptila vittata. 
In shape elongate, ellipsoid, and sometimes wider at one end; yellowish- 
white. 46-52 mm. by 33-35. 
Pelecanoides urinatrix chathamensis. 
From oval to nearly round in shape and more or less pointed at one end; 
white. 35-37 mm. by 28-29. 
Sterna striata. 
From a narrow to a rounded oval in shape. The ground-colour varies from 
olive-buff to rich cream-buff ; the spots and blotches varying from seal to olive- 
brown, tawny-olive and blue-grey, fading to faint pearl. These markings 
are sometimes small and distributed more or less generally over the egg, 
though always more abundant at the larger circumference. In some specimens 
they are few and large, while in others there is a long, confluent blotch round 
the longer circumference. 44-48 mm. by 30-31. 
Bruchigavia novcehollandice scopnlinus. 
From a rotundo- to an ellipso-ovoid in shape. Ground-colour varies from 
cream-colour, through olive-buff, to an olive ; they are spotted sometimes 
sparsely all over, sometimes chiefly round the widest circumference, sometimes 
evenly and thickly all over. The spots are of three shades of colour, from 
tawny-olive to cinnamon, french-grey and cinerous. In the darker drab eggs 
the spots are blotchy and dirty-brown. One specimen has a ring of pale sea- 
green near its pointed end. 51-55 mm. by 37-38. 
Thinornis novceseelandice. 
Clutch three to four. Pyriform in shape. Ground-colour olive-buff, 
marked evenly all over, but more abundantly at the larger end, with fine spots 
and fine linear streaks and markings of clove-brown, often becoming almost 
black. 36-38 mm. by 25-26. (Fig., pi. xiv., figs. 5 and 6.) 
Coenocorypha aucJclandica pusilla. 
Clutch four. Ovoid in shape. Ground-colour varies from a dark pinkish 
to a dark ochraceous-buff, covered with dark seal-brown spots and smudges, 
more thickly crowded round its widest circumference. Some specimens have 
pale lavender-grey blotches and spots round that region, Avhich are more 
sparsely distributed over the rest of the egg. The smaller end is nearly free 
from spots. 38-42 mm. by 28-29. 
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