234 



OE BINARY MONTHLY MEETING. 



May 29th, 1918. 



Professor H. G. Chapman, M.D., B.S., President, in the Chair. 



Letters were communicated from Professor S. J. Johnston, 

 returning thanks for congratulations on his appointment to the 

 Chair of Zoology in the University of Sydney; and Dr. A. B. 

 Walkom, returning thanks for congratulations on his attaining 

 the Doctorate of Science. 



It was resolved that the congratulations of the Members should 

 be tendered to Dr. T. Griffith Taylor, of Melbourne, on the award, 

 to him, of the David Syme Prize for 1918. 



The Donations and Exchanges received since the previous 

 Monthly Meeting ■(24th April, 1918), amounting to 15 Vols., 43 

 Parts or Nos., 7 Bulletins, 2 Reports, and 7 Pamphlets, received 

 from 42 Societies, and two private donors, were laid upon the 

 table. 



NOTES AND EXHIBITS. 



Mr. Fred Turner exhibited a specimen of Peniiisetum longi- 

 stylum Hochst., an Abyssinian grass now acclimatised in the 

 neighbourhood of Chats wood. More than twenty-five years ago 

 the exhibitor found this highly ornamental grass near the old 

 battery in the Sydney Domain, but the plants were afterwards 

 destroyed during the levelling of the ground, after the removal 

 of the cannons. 



Mr, Froggatt exhibited an immature specimen of the Spinj^ 

 Stick-Insect, Extafosoma tiaratum Macl., from Rollings Plains, 

 N.S.W., a remarkable example of protective mimicry. Also 

 specimens of a common grass in the Holbrook district, N.S.W., 

 very thickly infested with the larvse of a Cecidomyia fly, allied 



