790 NOTES AND EXIIIBITS. 



Vespertilio, Enomphalus. and a gigantic specimen of Pachydomus 

 globosus, also a specimen of fossil leaf from Bega and the tibia of 

 a Diprotodon from Mount Wingen. 



Mr. Hobson exhibited a beautiful and new species of Bulimus 

 from the Solomon Islands. 



The Hon. Wm. Macleay exhibited some novel implements 

 lately obtained by Mr. Duncan Anderson from the natives of the 

 Batavia River, Gulf of Carpentaria. 



Mr. Brazier exhibited specimens of Culaxis Layardi and Helix 

 Caffra, a man eating Helix from South Africa, also seven slides 

 of Bryozoa from Naples. 



Dr. Cox gave an interesting account of the construction of the 

 hairy balls frequently found on sea beaches and generally 

 believed to be shark's or ray's castings. He traces their origin 

 to the mere action of the tides &c, &c, on the common green 

 sea-weed of our Coasts. 



Dr. Cox, also exhibited axes of great size weighing seven or 

 eight pounds, from the Caroline Islands, made from the densest 

 part of the large Tridacna shell. 



On behalf of Mr. Gilliat some stone axes and fossils from the 

 Darling River, near Wilcannia, were exhibited, one axe of un- 

 usual size and weight, was made from rough Devonian sandstone. 



Mr. Selkirk exhibited a very neatly arranged book of dried 

 ferns of New South "Wales. 



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