and its most valuable member ; and considering the 

 fluctuating character of the population, it will not be felt 

 a matter of surprise that it has also lost some few by 

 retirement and removal, of the latter class, one of its 

 Hon. Secretaries, Dr. Bayes, in whose stead Mr. AVonfor 

 was elected. 



In addition to the periodicals in circulation last year, 

 there has been added the Quarterly Journal of the 

 Geological Society; the volumes for the current year of 

 the Palaeontographical and Ray Societies will shortly be 

 in the Library, and in fulfilment of a promise in last 

 year's report, your Committee have purchased the 

 following standard works on Natural History: — 



Harvey's British Marine Algaj. 

 Bell's Reptiles. 

 Bell's Crustacea. 

 Forbes' Star- fishes. 

 Dr. Johnson's Zoophytes, 

 Newman's Ferns. 



Owen's Fossil Mammals and Birds. 

 Rymer Jones' Comparative Anatomy. 

 Forbes and Hanley's Molluscous Animals and 

 their Shells. 



The Magazine of Natural Philosophy which was in 

 circulation has ceased to exist. 



It will also be seen amongst the expenditures, that a 



