



HE Journal of Microscopy and Natural Science 

 has now reached its Fifth VoUime, and we may 

 congratulate ourselves upon the steady increase in 

 the number of our subscribers and readers as a proof 

 of its good standing and prosperity. 



^ The testimony we so frequently receive as to 



the aid of the Notes selected from the Note Books of the 

 Postal Microscopical Society, in opening up new avenues for 

 enquiry in Microscopical study, more especially with respect 

 to their value for constant reference, is of itself sufficient to 

 increase our expectation of a more extended and substantial 

 success. 



We have taken care to select from the contributions sent to 

 us, only such articles as we feel certain would be of the greatest 

 interest and usefulness to all engaged in Natural Science; and 

 we earnestly ask the co-operation of our friends, and especially the 

 members of the Postal Microscopical Society, to help us in 

 extending the circulation of our Journal, so that the influence of 

 the work may be felt in yet wider circles. 



With respect to Reviews and Notices of New Works, it is our 

 desire to notice every book sent to us whatever be its position in 



