1901.] NATURAL SCIENCES OF PHILADELPHIA. 343 



"New Moll iisca from Japan and the Loo Choo [Islands," by 

 Henry A. Pilsbry. 



" A Peculiar Condition of^G^dogoniuni," by Ida A, Keller. 



" Crystalline and Crystalloidal Substances and their Relation 

 to Plant Structure," by Henry Kracmer. 



June 18. 

 Mr, Arthur Erwin Brown, Vice-President, in the Chair. 



Ten persons present. 



Papers under the following titles wei-e presented for publication : 

 " The Acrididse, Tettigonidte and Gryllidre Collected by Dr. A. 

 Donaldson Smith in Northeast Africa," by James A. G. Rehn. 



June 25. 

 Mr. Arthur Erwin Brown, Vice-President, in the Chair. 



Nine persons present. 



A paper entitled " The Nasal Passages of the Florida Alliga- 

 tor," by A. M. Reese, was pi*esented for publication. 



Henry Kraemer was elected a member. 



The following were ordered to be printed : 



