634 MR. P. D. MONTAGUE ON THE 
An immature male resembles the north-western bird described 
by Mathews as above. 
The specimen was shot late in June. It was in company with 
several others of the same species, but, before or after that date, 
no others were seen. It is probably a casual visitor to the 
islands. 
S (immature): wing 91 mm.; culmen 13; tarsus 20. 
Iris brown; culmen light brown, dark at tip; feet dark 
brown. 
6. EPTHIANURA- TRICOLOR pDisTINcTA. 845. Northern Tri- 
coloured Chat. 
One male example has a much darker back than the type of 
the above bird; darker, indeed, than any specimens examined, 
but the species is variable in this respect. 
The species occurs very sparingly upon Hermite; only two 
examples were observed, frequenting the thick bushy localities 
on the east of the island. 
3: wing 69 mm.; culmen 13°5; tarsus 19°5. 
Iris brown; culmen dark brown ; feet dark brown. 
7. EREMIORNIS CARTERI ASSIMILIS. Island Desert Bird. 
Montague, Austral Avian Record, vol. i. p. 181, 1913. 
Differs from JZ. c. carteri in its smaller size, proportionately 
larger bill, and in the colour of the head, which is of a deeper 
and richer chestnut-brown. 
The mainland representative (2. c. carteri) is a somewhat scarce 
bird inhabiting the Spinzfex-country in the region of North-West 
Cape. The Monte Bello form is found principally upon the 
Spinifes-plains of Hermite, where it is rather common, It fre- 
quents the low scrub, slipping with ease and rapidity amongst the 
very thickest and most prickly bush, making goo use of its long 
tail to guide and balance itself in so doing. Occasionally it will 
appear for an instant at the summit of a bush or tuft, utter a 
harsh clucking note, and disappear almost immediately, or make 
a short and hurried flight to the next thicket. 
3: wing 60 mm.; culmen 12; tarsus 19-5. 
OR era comin, ae, | sob Miers 
Iris brown ; culmen dark brown ; tarsus brown. 
8. ARTAMUS LEUCORHYNCHUS HARTERTI. 992. Western White- 
rumped Wood-Swallow. 
This bird belongs to the West Australian form described by 
Mathews. It was met with commonly upon all the islands, 
usually to be seen hawking insects upon the wing, or, towards the 
middle of the day, resting upright upon bare twigs or stumps, in 
parties of three or four toa dozen. It would often accompany 
us while walking over the plains, and catch insects as they were 
dislodged from the Spinifex. 
