NOTES AND EXHIBITS. 405 



Mr. Hedley exhibited specimens of the peculiar mollusc treated 

 of in his paper. 



Mr. Trebeck exhibited a leaf -insect (Phy Ilium sp.) from Fiji. 



Mr. Mitchell exhibited the fossils referred to in two notes, 

 recently communicated to the Society, among which were 

 specimens of the genera Pecopteris, Alethopteris, Odontoj^teris, 

 TcBniopteris and Sphenopteris from the Wianamatta Beds at 

 Glenlee. Also Glossopteris and Nveggerathiopsis from Bellambi. 

 He also exhibited the specimen of Glossopteris showing supposed 

 sori ; and an Entomostracon, near Estheria ovata, Jones (?), from 

 Wianamatta Beds at Glenlee. 



Mr. Rainbow exhibited specimens of an undescribed spider 

 belonging to the genus Arcyina (fam. Epiiiridce) from Manly. 



