290 



NOTES AND EXHIBITS. 



Dr. C. Anderson exhibited some fine crystals of Rhodonite 

 from Broken Hill, comprising specimens kindly lent by the 

 National Museum, Melbourne, and the Geological Department of 

 Sydney University, with others from the Collection in the 

 Australian Museum. New values for the axial ratios and angles 

 have been obtained, viz. : — 



a :b:c = 1-147922:1: 1-831584. 

 a = 94° 46'; /3=111° 34'; y = 85° 56'. 

 The values given by Goldschmidt, whose position and axes 

 have been chosen, are : — 



a:6:c = M550:l : 1-8317. 

 a-94° 42'; /3=111° 27'; 7 = 86° 6'. 

 The following new forms were recognised: — (103), (207), (013), 

 (013),. (014), (015), (037), (112), (201). 



The corresponding indices for Dana's position are : — (223), 

 (447), (223), (223), (112), (225), (667), (201), (441). 



Dr. Greig-Smith exhibited a culture of a slime-forming rod- 

 shaped bacterium associated with the slime which forms on the 

 household sponge and which is generally ascribed to soap. 

 Similar rod-shaped bacteria are to be found in the slime which 

 forms inside water-cisterns. 



Mr. Fred. Turner exhibited botanical specimens, namely, 

 Linum flavum Linn., a European plant now acclimatised on the 

 Upper Hunter River; Panicum spectabile Nees, the famous 

 " Coapim " of Angola, Western Africa, raised from seed received 

 at the Botanic Gardens, Brisbane, from the Royal Botanic 

 Garden, Kew, London; Cynodon dactylon Pers., showing abnor- 

 mal inflorescence, from the neighbourhood of Maitland, on 

 the Hunter River, the flowering peduncle being surmounted 

 by seven spikes instead of four as usual, — the first time he had 



