HE Sixth Volume closes the First Series of The 

 ^^ Journal of Microscopy and Natural Science, 

 formerly called T/ie Jota-Jial of the Postal Micro- 

 scopical Society. 



We sincerely hope that the place in your libra- 

 nes whicn was at the first granted from a kind 

 desire to help forward a work on microscopy just struggling 

 into existence, will, after six years of its publication and literary 

 life, be continued to it, not from mere favour, but because it 

 has won its way and confirmed its position by real worth and 

 solid value. 



It has been deemed advisable to begin a New Series with 

 the Seventh Volume of this Journal. The first part of that 

 series will be published in January, 1888, and several new 

 departments of interest to the microscopist and to the student 

 of natural science will be entered upon. 



We have received promises from many naturalists and 

 scientists of undoubted ability to furnish papers for the new 



