305 



Exhibits. — A. Zietz, specimen o£ Duloisia Hojnooodii 

 (pituri) from the Eiver Darling, N.S.TV. ; dissections of Euro- 

 pean and Australian crayfish for comparison of exo-skeletonal 

 structure. J. Gr. O. Teppee, E.L.S., a Mantis, probably new ; 

 three new plants from Kangaroo Island, Lhotzhya Smeatoniana, 

 Stylidiicm Tepperiana, Sydrocotyle comocarpa. 



Papees. — J. G. O. Teppee, E.L.S., on "Alcoholic Eermentation 

 in Living Trees," by Dr. E. Ludwig (translated). D. B. Adamsok, 

 " The Measurement of Eye-pieces for Telescopes." The writer 

 referred to the difficulties of accurately determining the mag- 

 nifying powers when these became high, and then proceeded 

 to explain the most approved methods for so doing. He ex- 

 hibited Berthon's Dynamometer, which he considered the best 

 instrument. 



Oedinaet Meetii^g, Maech 1, 1887. 



Prof. Een^nie in the chair. 



Ballot. — Thomas Eyres was elected a Eellow. 



Exhibits. — A. Zietz, eight specimens of Diemenia sitperciliosd 

 (brown snake), differing in markings from one another. He 

 considered them varieties of one species. J. Gr. O. Teppee, 

 E.L.S., musk-beetles (Trox moscliata) from near Eucla. A new 

 species of Bactylotum. Specimen of titaniferous iron from the 

 bed of the Eiver Torrens. 



Papee. — Prof. Eennie, " Colouring Matter contained in 

 Drosera Whittalceri.'" 



Oedin'aet Meetijs'g, Apeil 5, 1887. 



Prof. EENifiE in the chair. 



The State Entomologist at Washington, F.S.A., wrote asking- 

 for information with regard to Icerya Furchasi. 



Mr. Brunetti wrote asking for an exchange of Diptera for 

 the purpose of completing his monograph. 



Exhibits. — J. Gr. O. Teppee, E.L.S., larval form of a species 

 of Phasma. A. Zietz, specimen of Gryllopagurus lithodomus,, 

 found at Edithburgh, T.P. 



Papees.— H. Y. L. Beowj^, E.G.S., on the " Geology of Tee- 

 tulpa Goldfields." E. Guest, "Notes on a supposed new 

 Butterfly." A. Zietz, "Description of species of Snakes 

 known to exist in South Australia." W. Eussell, " Observa-^ 

 tions on the recent Comet (1887)." 



