AMEEICAN 



JOURNAL OF (MCHOLOGY. 



NEW SERIES. 



PUBLISHED BY THE 



CONCHOLOGICAL SECTION of the Academy of Natural Sciences of Philadelphia 



Vol. IV. 1868. No. 2. 



Meeting 3farch 5th, 1868. 



Seven members present. 



Mr. Tryon, Vice-Director, in the Chair. 



Various donations to the Museum and Library were announced. 



The following papers were read, and referred to committees: 



" Review of Mr. Binney's Land and Fresh-water Shells of 

 North America. Part III." By Dr. James Lowis. 



" Descriptions of marine Gasteropoda inhabiting Polynesia." 

 By Win. Harper Pease. 



The Conservator, Dr. Nolan, made some remarks on the cause 

 of the iridescence of species of Latirus, and of L. prismaticus 

 in particular, when immersed in water. 



Meeting April 2d, 1868. 



Seven members present. 



Mr. Tryox, Vice-Director, in the Chair. 



Donations to the Museum and Library were read. 



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