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on some important committee. For several years he was 

 a pupil of Agassiz, and under his tuition pursued his 

 studies with a class of young men who have since dis- 

 tinguished themselves in zoological and geological science. 



In 1859 he went, to Para, South America, and sub- 

 sequently to Zanzibar and Madagascar ; on the latter 

 voyage, sailing in the barque Persia, from Salem, Nov. 5, 

 1860 and remaining for several years on the eastern coast 

 of Africa, collecting specimens for the Museum of Com- 

 parative Zoology, Cambridge. He was compelled to leave 

 this field of his labors on account of sickness from the 

 African fever, but almost recovered his health during his 

 passage home. While he was absent, Prof. Agassiz and 

 Senator Sumner procured him the appointment of U. S. 

 Consul at Mozambique, but the Commission passed him 

 in transit and he never acted under it, although his name 

 w r as borne upon the rolls for several years. 



From the organization of the Peabody Academy of 

 Science in 1867, until his death, he was an assistant, and 

 one of the Curators of the Museum under its charge. 



He was a member of the American Association for the 

 Advancement of Science and also of the Boston Society 

 of Natural History. 



In 1875 he assisted Dr. G. M. Levette, of the State 

 Geological Survey of Indiana, in a hydrographic survey 

 of a dozen or more of the lakes in the northern part 

 of that State, where his experience in the collecting and 

 preservation of specimens of natural history, and in 

 seining and dredging, was of great value. 



He also became greatly interested in the work of the 

 Salem Fraternity, organized in the spring of 1869, and 

 was active in the establishment of its library and reading 

 room, becoming chairman of the committees of those de- 

 partments, and devoting himself constantly and earnestly 

 to the welfare of that institution. He possessed many 



