TO THE DEAF. 
A rich lady, cured of her deafness and noises in the had dei Dr. 
Nicholson’s Artificial Ear Drums, gave $10,000 to his institute, so that 
deaf people unable to procure the Ear Drums may have them free. 
Address No. 11479. THE NICHOLSON INSTITUTE, 
780 Eighth Avenue, New York, U.S.A. 
MARINE BIOLOGICAL SUPPLY DEPARTMENT 
Preserved material of all Ltypes of animals, for class 
work or for the museum. For price list 
ind all Victa. address 
GEO. M. GRAY, CURATOR - - OE HOLL, Mass. 
