4 Annals of the Carnegie Museum. 



sented to the IMuseum by Mr. J. L. Lewis has been installed and is 

 now on exhibition. 



The Entomological Society of Western Pennsylvania, which Avas 

 organized last spring, numbers over thirty members and has held 

 regular monthly meetings at the Museum. Much interest has been 

 developed. At present diligent work is going on in the preparation 

 of a list of all the species of Lepidoptera known to occur in western 

 Pennsylvania with a view to the publication of the same in the Annals 

 of the Carnegie Museum. 



The botanical collections belonging to the Museum are being 

 steadily arranged and classified. Over twenty thousand species of 

 plants are known to be already contained in the collection. 



A NUMBER of minor but important additions have been made to the 

 collections in conchology. There are at the present time fully fifteen 

 thousand species represented in the various collections of shells which 

 have been acquired. 



