THE MUTUAL AID SOCIETY OF THE SENSES. 645 



of thirty. He delivered the class oration. Mr. Carll now lectures 

 at Columbia College twice a week on the Calculus of Variations, 

 and supports himself by giving lessons in mathematics. He lives 

 in New Jersey, and comes to New York every day alone, some- 

 times going as far as Harlem. 



The list which is kept of the occupations followed by pupils 

 after graduation from the New York Institution for the Blind is 

 curious reading. One of the tuners in Steinway's warerooms is 



Pbof. David D. Woods. 



a graduate, and another graduate was for years organist in Dr. 

 Crosby's church. An insurance broker, a prosperous news vend- 

 er with three stands, a horse dealer, a tax collector, a real estate 

 agent, a florist, are duly registered. But the most astonishing of 

 all entries are those of a lumberman, a sailor and a cook, and 

 finally a switch-tender. 



The Pennsylvania Institute for the Blind, in Philadelphia, 

 points with pride to two very distinguished graduates in the 

 field of music Mr. David D. Woods (a very excellent likeness 

 of whom is herewith reproduced), the famous blind organist of 



