Edward Pen nock, 



I 



3jgf IMPORTING 

 JR. "ilHOPTICIAN. 



SCIENTIFIC INSTRUMENTS 



BOOKS. 



3607 Woodland Ave., - PHILADELPHIA, PA. 



New Botanical Collecting Ca se. 



Handle, Folding Rings for Straps, first- 

 class make-up, $1.00 and upward. 



Ledger Mounting P aper, 



Good weight and finish, $3*50 per ream. 



Britton & Brown's New Flora , 



First vol. (of three) now ready; (Ferns to 

 Carpet-weed); every species fully described 

 and illustrated. The volume, $3.00; postage 

 S6c. ( Send for special circular.) 



Tripod also Pocket Microscopes, 



Double lens, powerful for analytical Bota- 

 ny, 50c. (Liberal reduction in quantities ) 



Compound flicroscopes, 



Finest Makes, for plant histology. I often 

 have good second-hand instruments to offer 

 at reduced prices. 



I Cordially Invite correspondence about your wants. 

 Botanical Circular on application. J 



