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POPULAR SCIENCE MONTHLY. 



versity to take charge of the inverte- 

 brate fossils of the Peabody Museum, 

 and received the degree of Doctor of 

 Philosophy in 1889. In 1892 he was 

 made assistant professor and in 1897 

 professor of historical geology, the 

 title being changed to professor of 

 paleontology in 1902. In 1899 he was 

 elected a member of the National Acad- 



especially with brachiopods and trilo- 

 bites. He obtained specimens of the 

 latter in which the antennse and legs 

 were preserved, and made careful stud- 

 ies of the ventral anatomy. He also 

 published a classification of the trilo- 

 bites, and was at work on an extensive 

 treatise on these primitive crustaceans 

 at the time of his death. Beecher did 



Charles Emerson Beecher. 



emy of Sciences. In this year, when 

 he succeeded Professor Marsh as cura- 

 tor of the geological collections, he pre- 

 sented to the museum his collection of 

 fossils, which he had been gathering 

 since he was twelve years old and which 

 contained over 100,000 specimens. 



Beecher published about sixty papers 

 on invertebrate paleontology, concerned 



much work in the field and was skil- 

 ful in preparing specimens and as a 

 draughtsman. He was also interested 

 in the philosophical aspects of evolu- 

 tion, being counted among the Ameri- 

 can neo-Lamarckians. In an impor- 

 tant paper he finds that species having 

 spines fully developed leave no de- 

 scendants. 



