~—- — 
AUSTRALIAN TERTIARY FORMATIONS. 123 
that he has found a Phasianella and an Elenchus. I referred 
a : 
Australia and New Zealand as one province, but this gives rise to 
a misconception _ ce molluscan fauna of both localities. Several 
n 
places being grouped as one provitice. As to species, a is quite 
the exception to meet with instances where they are common to 
bot ave far more which are common to anita and 
the ® Philippines. But still the differences are great between those 
tw s. The facies of our Lower Tertiary molluscan fauna 
genera and general habit of the shells suggest many resem 
But I repeat that this is only in a general way ; for once we rest 
to reduce this to some definite facts, we find that the resemblance 
is only general and aa Po one oan test of strict seer rane 
Amphib aa Trigonts, Chunecath a, Anatina, Myodora, Moochoma, 
Crassatella, Cardita, Circe, Cie ried Venus; (Chione), Anapa, 
amsia, rosea ae camames ia, umes Triton, at a peeu- 
ane trifolinte kind of Murex. None of these genera are entirely 
stricted to Australia, fens some are only found in its neighbour-» 
- fossils. Orassatella is one which is common Liotta. 
. Voluta =. Mitra are common and varied ; Cardita also does not 
seem scare that common form of Venus which is recognize 
as a subgenis named Ohione by some authors. A Venus very like 
