ABSTRACT OF PROCEEDINGS. XXXV11. 



Fifty-four volumes, 305 parts, 18 reports, and 11 

 pamphlets, also 1 engraving, total 389, received as donations 

 since the last meeting, were laid upon the table and 

 acknowledged. 



The discussion upon the paper on the " The Flood Silt of 

 the Hunter and Hawkesbury Rivers," by Prof. T. W. E. 

 David, b.a., f.g.s., f.r.s., and Acting Professor F. B. 

 Guthrie, f.i.c, f.c.s., read at the previous meeting was 

 continued, the following gentlemen taking part, viz.: Mr. 

 Siissmilch, Mr. E. MacFarlane, Mr. Hall of the "Evening 

 News" (by invitation of the President) Dr. Walter Spencer, 

 and the President. 



On the motion of Mr. MacFarlane, seconded by Dr. 

 Spencer, it was resolved that the discussion be further 

 adjourned, and that in the meantime the paper be set up 

 in type, so that proofs would be available. 



THE FOLLOWING PAPERS WERE READ. 



1. " Pot Experiments to determine the limits of endurance 

 of different Farm Crops for certain injurious substances, 

 Part III. Barley and Rye," by R. Helms and Acting 

 Professor F. B. Guthrie, f.i.c, f.c.s. 



The authors describe experiments with barley and rye in 

 continuation of those on wheat and maize (this Journal, 

 xxxvi., p. 191 and xxxvu., p. 165) to determine the toler- 

 ance of these plants to certain ingredients commonly 

 present in the soils and water used for irrigating in certain 

 parts of the State, namely sodium chloride (common salt) 

 and sodium carbonate (alkali); also the effect produced 

 upon their growth by the presence of small quantities of 

 plant poisons occasionally met with in fertilisers, such as 

 ammonium sulphocyanide, sodium chlorate and arsenious 

 acid. The general results are tabulated as follows : — 



