322 



On October 23 Messrs. A. Wilkinson and P. H. "Williams 

 gave an exhibition of some interesting and beautiful slides from 

 photographs taken by themselves. Many of the slides were 

 views taken on various excursions, while there were also fine 

 pictures of the River Murray. 



Horsnell Gully was visited by members on October 13, 

 under the guidance of Mr. E. H. Lock. The scenic beauties 

 were greatly admired, and specimens of the native flora 

 gathered as well as of the English dandelion and Scotch 

 thistle. 



On October 27 the party visited the National Park, and 

 collected a number of species of the native flora. 



A large party travelled to Dunstan's Gully on Novem- 

 ber 10, when Dr. C. Fenner spoke on the physiographic 

 features of the foothills and the geology of the Mount Lofty 

 Range. 



On October 10, 1917, the members journeyed to Ambleside 

 under the leadership of Mr. E. H. Ising. The wonderful pro- 

 fusion of flowers was the outstanding feature of the outing. 

 The leader spoke on leaves, their, shapes and functions, and 

 directed special attention to the well-known ''pink eyes" 

 (Tetratheca ericifolia). 



On November 24 a party travelled to Eden Hills under 

 the g-uidance of Prof. T. G. B. Osborn, M.Sc. The introduced 

 plants of the district formed the main subject of the after- 

 noon's work, including a description of the various species of 

 clovers. A good many species of native flowers were collected. 

 At the conclusion of the afternoon's work the party was 

 entertained by Mr. and Mrs. M. Symonds Clark at Eden. 



On April 27, 1918, excursions were resumed by the 

 Section, the members travelling to Aldgate to< view the autumn 

 tints, Mr. E. H. Lock being the leader. Mr. A. G. Edquist 

 spoke on the formation of colour in the leaves botli from the 

 botanical and chemical standpoint. 



On May 6 a large party travelled to Mylor, and succeeded 

 in collecting many species of the hills flora, and studied the 

 river and cliff formation along the River Onkaparinga. 



Mr. A. M. Lea spoke on "Ants and their Guests" at the 

 evening meeting held on May 16. He described the manner 

 in which ants recognized other individuals from the same nest 

 by the power of smell. Many species of ants kept slaves. 

 Others stored up grain, which the}'' dried to prevent germina- 

 tion. The honey ants of Central Australia, became reservoirs 

 of honey, which were largely availed of by the aboriginals, as 

 had been noticed by Captain White in his recent visit to 

 Central Australia. The use of the episcope to show various 



