78 
Miscellanea. 
feet above tbe sea) boiled at a temperature of 213°, as shown by 
Dr. Wollaston’s boiling-water apparatus, constructed by Messrs. 
Trougbton and Simms, a circumstance previously observed by 
M. de Strzelecki when in this colony, but not noticed in his work. 
Dr. Pugh exhibited specimens of gold ore from South Austra¬ 
lia, as also some other interesting minerals; also Guano from 
Lawrence Island, near Portland Bay. 
July 15, 1846. 
Read a paper “ On Dykes of Marble and Quartz, in connexion 
with Plutonic Rocks, on the Upper Wollondilly, in Argyle County, 
New South Wales.” By the Rev. W. B. Clarke, M.A., F.G.S., &c. 
Read a paper by Dr. E. C. Hobson, detailing the particulars 
of a curious case of extra-uterine fetation which occurred in his 
practice at Melbourne, and which was caused by the absence of 
the fimbrise of the fallopian tubes. 
Read a paper “ On the habits and structure of the Kangaroo 
Rats (Betlonyia cuniculus, Ogilby, and Hypsiprymnus minor, 
Cuv.) of Tasmania. By James Grant, Esq.” 
Mr. Gunn drew the attention of the members to the unusual 
height of the barometer during the three preceding days. At 
Penquite, about 120 feet above the sea level, it was as follows: 
9, A.M. 
Attached 
Therm. 
3, P.M. 
Attached 
Therm. 
July 13. 
30.706 
43J 
30.681 
46 
„ 14. 
30.800 
41 
30.621 
43 
„ 15. 
30.685 
39J 
30.594 
44 
The instrument used was a syphon mountain barometer made 
by Troughton and Simms. The weather was clear and fine, with 
hard frosts at night. 
July 29, 1846. 
The Rev. S. Windsor was admitted a member. 
Read extracts from a letter from Dr. E. C. Hobson to Mr. 
R. C. Gunn, wherein he describes some geological peculiarities 
at Point Nepean, Port Phillip. Dr. Hobson observes:— 
“ I send you some of the fossiliferous limestone from Cape 
Schank, and some nodules of flint taken out of the soft chalky 
limestone of Point Nepean, which exhibits the form of sponge. 
They will be highly interesting when examined by a microscope. 
I am rather puzzled by the fossil shells I send you. They are 
found in huge masses or blocks on the beach, and in some you 
find well-rounded boulders of trap. I suspect these shells to be 
