AUSTRALIAN TERTIARY FORMATIONS. T27 
which we find in the enreg cig -* Coolie), “ze pemegeting by 
elimatical conditions alone. It ms to me re too 
pec ering acquainted with the Praise tice which praia rn the 
migration of species at present to be able to apply even generally 
Climate 
In conclusion, I may sa that rough the whole of 
Australian Tertiary paleontology we find a ¢ 
character, which is often distinguished by its prehse capricious 
I 
8 TS 
must arise from our having fo — our systems too artificially from 
our limited experience. Tt wa oe to suppose that the study 
organisms Im remote andtiitne d widen our ona or 
awe cause us to widen our a one of nature’s p 
called the Australian “abnormalities” are in ‘eally:the short- 
our Echini which would be very difficult to enumerate without 
entering too much into detail. In the corals the relations of the 
septa and coste are most pecobiar and exceptional. Acco 
to Edwards and Haime, cost are modified or extra-mural ny a 
They ought, therefore, to maa a with the septa, and so t 
do generally. But there are exceptions—such as Stephanophyllia 
and Micrabacia—where they alternate with them. In 
one of the costz oe to three septa. But in the Austra- 
species eve ng isexceptional. We have alternating coste 
and septa, and in Gavinnioeine Jenestratus, mihi, we have tle triple 
septa to one of the costa as in Dasmia, besides many other 
ai erences. We have also Dendrophyllia epitheca, that is to say 
these instances very considerably ; but but a avery ny slight 
acquaintance with the fossils themselves 
instances. 
