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THE POPULAR SCIENCE MONTHLY
As a matter of fact, of course, there are plenty of people who accept the evolution conception and do not accept Haeckel's monism. These people do not see that one necessarily follows the other. Many of them indeed think they see that Haeckelian monism does not follow evolution, that it, in fact, has no fundamental connection with it. There are other people still, who are monists, but who do not accept Haeckel's alleged consequences of a monistic, as opposed to a dualistic, conception of nature. But Haeckel undoubtedly believes all he says he does and believes too in the duty of propaganda. That he has a considerable following can not be overlooked.
