
          3


 if congenial duties. He was for several years, and until the end,
 Curator of Botany to the Natural History Society; for the last two
 years Curator to the Herbarium of Harvard University, and assistant
 to the Professor, and last autumn, under an appointment as College
 Tutor, he took the whole charge of the Botanical department, and the
 superintendence of the Botanic Garden, in the absence of the Professor.
 But his powers soon failed under the rapid development of 
 pulmonary disease, he was called away from his chosen work just
 when he had given proof of rare capacity for performing it, and
 from this Society almost at the moment when we had numbered 
 him as our own.
        