CHIMNEY SWALLOW. 
surface of the body white ; under wing-coverts ash-white, axillaries white, quills below 
ash-brown; iris dark hazel. Total length 155 mm. : culmen 9, wing 117, tail 59, tarsus 10. 
North coast of Australia, 18th Oct., 1860, M. Rayre, H.M.S. “ Herald”, (middle figure). 
Nest. Round (or oval) and saucer-shaped, and placed on a flat surface ; the walls are built of mud, 
the bottom being the surface of the nesting-place ; lined with grass and, inside this, feathers. 
Measurements: outside, 3 inches by 4 by 2 deep ; inside, 2J inches wide by 1£ deep. 
Eggs. Clutch four or five, white, with small spots or dots, more at the larger end, of reddish-brown. 
Average measurements : 18.8 mm. by 13.4. Eggs laid daily, early in the morning. 
Breeding-season. May and June, July two broods. 
Incubation-period. 17-19 days. Young leave nest at 14-15 days old. (first egg May 27th—last 
31st; young left nest on July 5th.) 
Hirundo gutturalis. 
Hypurolepis javanica. 
