1910] Proceedings. 65 



Milwaukee, March 10, 1910. 



Meeting of the combined sections. 



President Barth in the chair. 28 people present. 



Minutes of the last section meeting read and approved. 



Pres. Barth announced the election of Mr. A. Harper to corres- 

 ponding membership, and of H. Haessler to junior membership. Mr. 

 Ward presented the nomination of Mr. Albert G. Eussell, Wabena, Wis. 

 for corresponding member ; Mr. Russell was subsequently elected by the 

 board of directors. A communication was read from the City Park 

 Commissioners reading that the petition of the Society to label trees 

 and shrubs in public parks had been granted. A motion was passed 

 instructing the secretary to convey the appreciation of the Society 

 to the Park Commissioners for their ready compliance to the request 

 of. the Society. 



The name of Dr. P. H. Dernehl was presented by the directors for 

 associate editor of zoology and accepted by regular vote. 



The evening's theme "Poisons" was then taken up. 



Dr. George P. Barth spoke on The Effects of Some Poisons on the 

 Human System. Dr. Barth outlined two methods of classifying poisons ; 

 the chemical method of organic and inorganic poisons, and the physio- 

 logical method of arranging poisons under the heads of Irritants and 

 Neurotics. The maximum and minimum lethal doses of many of the 

 commoner poisons were cited together with their chief effects. The 

 curious action of several poisons, such as wood-alcohol, was outlined, 

 briefly. 



Mr. Howland Russel spoke on Poisonous Plants, confining himself 

 to Milwaukee Co.. from which he reported a list of over fifty poison- 

 ous plants. 



Ivy poisoning, alcohol as preventive of infection, and the eradication 

 of the plant formed the topic of a discussion participated by Messrs. 

 Ward, Carpenter, Sherman, Graenicher, Burrill, Dernehl and Russel. 

 Poisonous snakes and reptiles were discussed also. 



Upon motion the meeting adjourned. 



Milwaukee, March '31, 1910. 

 General meeting of the Society. 

 Vice-president Ward in the chair. 32 people present. 



