No. in 
Ay THE JACKSONIAN OOLOGICAL COLLECTION. 
Data Campbell's No. of 
No. ook. Eggs 
Pv ee KOEL CUCKOO, 
Eudynamis cyanocephala, Latham. 
One egg, taken with the latter set of 3 Oriole’s eggs, at South Grafton, Clarence River, N.S.W., 
by Sid. W. Jackson, on the 31st of October, 1894. The particulars re the discovery are given above. 
This rare specimen was forwarded to the Australian Museum, in Sydney, for inspection, and was 
described in the ‘“‘ Proceedings of the Linnean Society of New South Wales,” in 1895, concluding with 
the following remark :—‘“ It will be observed that the egg of Flinder’s Cuckoo (Koel) is the same size 
NEST AND CLUTCH OF THREE EGGS OF THE ORIOLE, AND ONE EGG OF THE KOEL CUCKOO. 
(About half of the natural size.) 
Loc., South Grafton, Clarence River, N.S.W. 
(See data No. 544, page 99.) 
(about) as those of the Green-backed Oriole, although, asa rule, the eggs of Australian Cuckoos are 
larger than those of the birds in whose nests they are deposited. In the choice of a foster-parent for 
its young, Flinder’s Cuckoo has, however, exercised great discrimination in selecting a species that, 
like itself, depends entirely on fruits and berries for its subsistence during the spring and summer 
months.” The general note of the Koel is a real coo-ee like sound, that may be heard both night and 
day, and it is familiarly known in the country districts as the ‘‘Coo-ee Bird,” which name it has 
undoubtedly received on account of its peculiar note. The male is of a beautiful rich glossy black, 
100 
