410 NOTES AND EXHIBITS. 
The limestone contains numerous foraminifera, and abundant 
remains of small organisms, the precise nature of which has not 
yet been determined. The specimen from which the sections 
were cut was presented by Mr. C. W. Darley, M. Inst. C.E. The 
rock is probably of Carboniferous age. (2) A specimen of fossil 
algse (?), collected by Mr. C. Jenkins, from the Yass District, and 
now in the Geological Collection at the University of Sydney. 
Mr. Mitchell, Narellan, exhibited some fossils from the Wiana- 
matta Series, in the neighbourhood of Narellan, consisting of 
insect remains and impressions of a plant apparently belonging to 
the TceniopteridcE. Mr. Froggatt, of the Technological Museum, 
had determined the insect remains to be referable to the Families 
Blattidce and Bwprestidce. Of the former there were impressions 
of fragments of wings, and of the latter of an elytron. Mr. 
Etheridge, Curator of the Australian Museum, to whom the 
specimens had been submitted, confirmed Mr. Froggatt's opinion. 
The plants consisted of fragments of leaves showing rows of 
papillae along each side, or in some cases along one side, of the 
midrib on the basal portion, which may be sori. The fossil 
Orthoptera are from a railway cutting on the Great Southern line 
at Glenlee; the Buprestid and plants from the Great Road about 
a mile N.E. of Narellan. Mr. Mitchell also exhibited some oolitic 
limestone found in a sample of lime from Marulan. 
