6 BOEDER LINES OF KNOWLEDGE 



to teach their several branches, but to elevate the 

 whole standard of teaching. 



I may speak with less restraint of those gentlemen 

 who have aided me in the most laborious part of my 

 daily duties, the Demonstrators, to whom the succes- 

 sive classes have owed so much of their instruction. 

 They rise before me, the dead and the living, in the 

 midst of the most grateful recollections. The fair, 

 manly face and stately figure of my friend. Dr. Sam- 

 uel Parkman, himself fit for the highest offices of 

 teaching, yet willing to be my faithful assistant in the 

 time of need, come back to me with the long sigh of 

 regret for his early loss to our earthly companionship. 

 Every year I speak the eulogy of Dr. Ainsworth's pa- 

 tient toil as I show his elaborate preparations. When 

 I take down my American Cyclopaedia and borrow in- 

 struction from the learned articles of Dr. Kneeland, 

 I cease to regret that his indefatigable and intelligent 

 industry was turned into a broader channel. And 

 what can I say too cordial of my long associated com- 

 panion and fi'iend. Dr. Hodges, whose admirable skill, 

 working through the swiftest and surest fingers that 

 ever held a scalpel among us, has delighted class after 

 class, and filled our Museum with monuments which 

 will convey his name to unborn generations ? 



This day belongs, however, not to myself and my 

 recollections, but to all of us who teach and all of yon 

 who listen, whether experts in our specialties or aliens 

 to their mysteries, or timid neophytes just entering the 



