EDWARD PENNOCK, 



^ & IMPORTING OPTICIAN, 



Scientific Instruments 



and Books, 



3609 Woodland Ave., PHILADELPHIA, PA. 



New Botanical Collecting Case. 



Handle, Folding Rings for Strap, first-class make-up, 

 $1.00 and upwards. 



Ledger Mounting Paper, 



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 vol- 

 ume, $3.00 ; postage 36c. (Send for special circular.) 



Tripod also Pocket nicroscopes, 



Double lens, powerful for analytical Botany, 50c (Lib- 

 eral reduction in quantities.) 



Compound Microscopes, 



Finest makes, for plant histology. I often have good 

 second-hand instruments to offer at reduced prices. 



Specialties in Botanical Gases, Paper, Etc. 



MAGNIFIERS AT VERY LOW PRICES TO CLASSES. 



T COfdially TlWitC correspondence about your wants. Botani- 

 cal Circular on application. 



