Alexander Winchell. 117 
Time,” following with other chapters, climatic, historical and philosophi- 
cal. Itis a treasury which should find a cherished place in every family 
library.— Boston Home Journal. 
' Dr Winchell’s jew @esprét on the “Genealogy of Ships,” (Chapter x1t 
of this volume) remains one of the most influential contributions ever 
made to the literature of Evolution.—Wew York Observer. 
1882. An article on Darwinism prepared for the American 
supplement of the ‘‘Kneyclopedia Britannica,” at the urgent re- 
quest of the editor, in June, 1882, did not appear in print till 
1884. The summer of 1882 was again spent at Martha’s Vineyard. 
Besides his regular courses of lectures here, he gave the principle 
dedicatory address at the dedication of ‘‘Agassiz Hall.” This, 
with full abstracts of his other popular lectures, was published in 
the Institute Herald. The abstracts were also published in the 
Boston Journal of Science. 
In the summer, at the Montreal meeting of the American 
Association for the Advancement of Science, he was chosen to 
preside over the section of Anthropology, in the absence of the 
regular officer. In the autumn he wrote The Huperiment of 
Universal Suffrage and Communism in the United States which 
were solicited and published by the proprietor of the North 
American Review. Declining various other similiar solicitations 
he now resolved to devote himself to the completion of his long 
planned work on World Life, and he accordingly devoted to this 
most of the leisure found among the numberless duties, diversions 
and petty distractions of domestic, social and professional life. 
He yielded to perhaps a dozen requests to deliver popular scientific 
addresses, mostly within the state of Michigan. 
In 1883. The work upon World Life involved a great amount 
of study and research. The subject had indeed occupied his 
thoughts for many years, and many of the processes had been 
reasoned out in all their detail: But he desired now to present 
the discussion in greater completeness and upon a more vigorous 
_ basis of scientific evidence. The field widened as he proceeded. 
New avenues of research were disclosed. Following these, one 
after another, he developed conclusions which were unexpected, 
and new, and some of which were an interesting surprise to him- 
‘self. Sometimes he pursued these researches by the aid of math- 
ematics, and all the old ardor of his earlier years was rekindled. 
In several instances he made attempts to submit his methods and 
results to competent critics. His speculations on the influence of 
