X. ABSTRACT OF PROCEEDINGS. 



30*5°f of total extract and 18*6°/° of tannin absorbed by hide 

 powder, and contains 16°/° of calcium oxalate. The bark 

 of Eucalyptus gracilis contains 16*66°/° of calcium oxalate ; 

 that of E. Behriana 16'5 /°; of E. oleosa 10*64°/°; of E. dumosa 

 9'Sf; and of E. salmonophloia 8*34°/°. The barks of all the 

 Eucalypts tested contain calcium oxalate, although in some 

 species in very small amount. 



2. "Notes of astronomical interest, dealing with the past 

 eighteen months, showing the progress and deductions 

 made during that period," by H. A. Lenehan, f.r.a.s., 

 Acting Government Astronomer. 



EXHIBITS. 



A collection of fossil Halysites from the Orange district 

 was exhibited by Mr. O. A. Siissmileh, F.G.s. 



Prof. Liversidge vacated the Chair and Mr. H. A. 

 Lenehan, f.r.a.s. was installed. as President for the ensuing 

 year. 



Mr. Lenehan thanked the members for the honour con- 

 ferred upon him. 



ABSTRACT OF PROCEEDINGS, JUNE 7, 1905. 



The General Monthly Meeting of the Society was held 

 at the Society's House, No. 5 Elizabeth-street North, on 

 Wednesday evening, June 7th, 1905. 



H. A. Lenehan, f.r.a.s., President, in the Ohair. 



Thirty-six members were present. 



The minutes of the preceding meeting were read and 

 confirmed. 



Dr. George Harker enrolled his name and was intro- 

 duced. 



Mr. T. H. Houghton, m. inst. c.e., and Mr. Henry G. 

 Smith, f.c.s., were appointed Scrutineers, and Mr. W. M. 

 Hamlet, f.i.c, f.c.s., deputed to preside at the Ballot Box. 



