1852-55-] H- JAMES CLARK. 53 



year. In the eyes of Agassiz, everything and every 

 one in his laboratory was second to Mr. Clark. In the 

 construction of his house on Quincy Street, in 1855, he 

 took special care to have a stone pillar placed where it 

 would receive the best northern light for Clark's micro- 

 scope. He did the same when, in 1860, he built his 

 great museum. In fact, Clark was his right hand dur- 

 ing almost twelve years. I quote a letter from Agassiz 

 which will show the great place Clark occupied in the 

 scientific organization of Agassiz's establishment :- 



CAMBRIDGE, 24juillet, 1860. 

 MON CHER PICTET (Jules Pictet de la Rive, a Geneve) . 



C'est un vrai plaisir pour moi de vous presenter mon collegue, Mr. 

 H. J. Clark, celui de tous mes eleves dont j'attends le plus. Vous 

 verrez bien qu'il a embrasse Thistoire naturelle dans son ensemble, 

 et je ne crois pas qu'il existe un naturaliste, plus habile que lui dans 



1'emploi du microscope. 



Tout a vous, 



Ls. AGASSIZ. 



Clark was appointed adjunct professor of zoology at 

 Harvard University, on the special recommendation of 

 Agassiz. As had happened before, Agassiz, with his 

 enthusiastic and sanguine temperament, had raised 

 hopes of pecuniary position in Clark's mind, as soon 

 as his great museum should be inaugurated, which it 

 was impossible to gratify, at least immediately. Disap- 

 pointed in his expectations, and with a large family to 

 provide for, Clark's conduct was such that he was 

 obliged to resign his position at Harvard ; the difficulty 

 having become so personal that Agassiz simply said to 

 the Board of Trustees that he or Clark must leave. In 

 such a dilemma, the question was of necessity decided 



