2i\? A. A. xsKUN' OX cmucal employment of the microscope. 



<rf all objects exc^>t thcee likely to require th-e use of sn oil- 

 iBiiersaoii condMiser. in "wrliich ca,se a slightlv thinn.'er sHp mii:!.: 

 be pre£ii»able. 



In coDoliiviin^ tbet?e ifiil s» afddbre<%>ed to tlie joiiBgcr aai 

 nor^ ineip^?rir'iiovd members of oiir CluK I need hardly eiqilam 

 ^Mtt tiiey are made in no carping spirit, nor with a desire to 

 UTO^te to my^eIt a cl*im to speak with any ftolkority l^yond 

 that of a working mkioset^MSt of some c:^ien»ce, who has 

 pciiii considerate attention to the subject of mkxo^'opical 

 manipulation, and has fc»rm'ed certain opinkcts basevl on prac- 

 tical obser^-ation. 



«i~-*u. ^'matetS Jg^-' wi'iiymmJ: CMt» «r. f, rm\ rTT- yx 3% Jlfr^ I9K. 



