181 
more convenient and conducive to progress to regard them, until 
proof of the contrary be had, as parts of Dromornis australis.” 
This was somewhat qualified by a later statement already quoted, 
which very reasonably implied that it must still be an open 
question as to the specific identity of the Mt. Gambier tibia with 
the femora of the Wellington Valley and Peak Downs.* 
The Kings Creek fragment of femur has been assigned by 
Mr. DeVis to the genus Dinornis as D. queenslandie. 
For the Penola bones the Rev. J. E. Tenison Woods pro- 
visionally proposed the name Dromaius australis until more 
bones should be found, but ‘since then its remains have been 
found in other places, and Professor Owen has named _ it 
Dromornis australis.” > 
Putting aside, as not immediately concerning us, the fossil 
forms of emeu, Dromornis australis and Dinornis queenslandie 
are thus the only two definitely named species of large extinct 
Australian struthious birds. 
From an examination of the bones of the Callabonna bird, so 
far as this has proceeded, and, in the first place, from a com- 
parison of its femur with these two named Australian species,*+ 
we believe we may assert that— 
1. The femur of the Callabonna bird differs so considerably 
from that of Dromornis and Dinornis queenslandie that it must 
be regarded as that of a different bird, and, further, that the 
differences are sufficiently great to justify the establishment of 
a separate genus. 
2. The Mount Gambier and the Paroo River tibiz, assigned to 
Dromornis by Professor Owen and Mr. Etheridge respectively, 
are identical with that bone in the Callabonna bird. As to 
the supposed fragment of fibula from the latter locality, we 
have already expressed our doubts. 
3. Of the portion of the Canadian Lead pelvis, we cannot yet 
express an opinion, as no comparison has yet been made with that 
of the Callabonna bird, which is, moreover, much damaged, and 
still in process of restoration. 
4. The other South Australian specimens from Normanville 
and Baldina Creek are identical with corresponding parts of the 
Callabonna bird. 
* Extinct wingless birds of New Zealand. Appendix, p. 6. 
+ Nat. Hist. N.S.W., 1882, p. 27; (quoted from Etheridge) p. 135. 
+ We have to express our acknowledgement to Mr. Etheridge and Mr. 
DeVis, Curators, respectively, of the Australian and Queensland Museums 
for forwarding to the South Australian Museum casts of these two type 
specimens, and to Mr. Pittman, Director of the Geological Survey of New 
South Wales, for his courtesy in permitting us to examine the actual 
specimens from the Paroo River, described by Mr. Etheridge. 
