HACHINERY AND 

 TOOLS. 



Machines for Making Seamless Rubber Tubing 



Insulating flachines 



for insulating electric wire 

 and cables. 



jAcpmiD im icHiNERy 



Special attention paid to new 

 and experimental machines, 

 models, etc. We solicit corres- 

 pondence from those interested 

 in high class ware of this char- 

 acter. 



JOHN 'ROYLE & SONS, 



PATERSOJI, N. J. 



The Jouiinal of dompafative pleupologij 



AN 



Illustrated Magazine Published tQiiaiterly. 



DEVOTED TO THE 



Comparative Study of the Nervous System. 



Each isstie contains a compend of Recent Literature. 



Subscription, $8.50 per year. 



EDITED BY 



C. L. HERRICK, I C. JUDSON HERRICK, 



Professor of Biology in Denison University. | Fellow In Neurology in Denison University. 



GRANVILLE, OHIO. U. S. A. 



