Second Hand Microscopes 



A.t far belo-w regular price. 



I RECOMMEND THE FOLLOWING AS 

 SUITABLE FOR BOTANICAL WORtt: 



MICROSCOPE by Newton, London; full size, all brass, inclination 

 joint; rack and pinion and fine adjustments; good achromatic dividing 

 objective, giving powers of about SO and 75; in case, $10.00 



Or, with addition of a 1-5 inch achromatic lens, giving powers of 

 about 30, 75 and 280, $13.00 



Beck " Scholar's " Microscope, with draw tube and fine adjust- 

 ment; inclination joint; good 1 inch achromatic objective (B. & L.); 

 powers about 60 to 100; in case $6.00 



Or, with addition of a 1-5 inch achromatic lens, giving powers 

 about 60 to 100 and 300 to 500, $9.00 



Send for Bulletin of Second-h&nd Microscopes and Cameras, just issued 



EDWARD PENNOCK, f!S15^SC!?rfK 



SPECIAL PRICES ON FERN 



BOOKS 



Our Ferns in their Haunts, postpaid $2.00 



The Fern Allies of North America, postpaid 2.00 



(Ferns of the Upper Susquehanna free with an 

 order for either the above.) 



" Our Ferns " and Fern Bulletin, one year 2.50 



" Fern Allies " and Fern Bulletin, one year 2.50 



" Our Ferns " and " Fern Allies," postpaid 3.80 



" Our Ferns " and " Fern Allies," with Fern Bulletin 4.25 



" Our Ferns " and American Botanist, one year. . . . 2.75 



" Fern Allies " and American Botanist, one year. ... 2.75 



These works scarcely need description. A folder de- 

 scribing them will be sent, however, upon application. 



Willard IV. Olute <& Co., J diet, 111. 



