NOTES AND EXHIBITS. 311 



been due to an epidemic of some sort? Microscopically the ants 

 exhibit no injury or give any indication of the cause of death. 



On behalf of Mr. T. Stephens, of Hobart, Mr. Fletcher exhibited 

 portion of a plank destroyed by " dry-rot," (sp. undetermined) 

 from the floor of a building not more than 10-12 years old, with 

 an unventilated basement. The exhibit showed, very perfectly, 

 the delicate branching form of the mycelium assumed by the 

 fungus in spreading from the rotted joists to the underside of the 

 flooring-boards. 



Discussion on Jordan's Law of Geminate Species (continued.) 



Messrs. A. F. Basset Hull, R. H. GAmha,ge{IJticali/2^ius spp.^ 

 and Angophora spp.), Dr. Cuthbert Hall, E. Cheel [Callistemon 

 spp.), and Dr. Cleland (Afeliphagidce), took part in the continua- 

 tion of the discussion. The President summarised the views put 

 forward. The Secretary thanked the Members for their cordial 

 response to the invitation to participate in the discussion. 



(A resume of the discussion will be found after Mr, A. A. 

 Hamilton's paper.) 



