19 
hair Tree (Ginkgo), and Conifers, and represent 
the flora of the age of the Victorian bituminous 
coal. 
Fig. 20. Ginkgo dig itata ( Brongn). 
Triassic (Ipswich Series). Brisbane. 
A good series of Jurassic shells of the tiny Foraminifera Case 22. 
are shown, some as small as one-sixtieth of an inch 
in length ; these were all picked out from the 
matrix of one fossil shell (Trigonia) from Gerald- 
ton, Western Australia. 
This case contains Jurassic Mollusca, Ostracoda (bivalved Case 23. 
crustaceans) and a fine example of the small armoured 
fish, Leptolepis. Other unique fossils seen here 
