在去年(1951年)三月,特洛申所著“米丘林生物學中的發展辯證法”第二版出版了。該書的初版是在1950年出版的。可是,在1951年的再版時,無論該書的著者,無論出版者,雖然在該書中已經增補和修改了一些地方,却沒有向讀者們作必要的說明。這使人發生一種思想,以為該書著者和出版者在再版時已經明瞭該書有重大修改的必要,但是又打算不這樣做而就出版了。該書的主題,現實而切要,使著者應有全面分析米丘林的最豐富的理論遺產和近年來米丘林 In March last year (1951), Troitsch published the second edition of “Developmental Dialectics in Michurin Biology.” The first edition of the book was published in 1950. However, in the 1951 reprint, no matter the author of the book, regardless of the publisher, although some places have been added and revised in the book, no necessary explanations are given to the readers. This gives rise to the idea that the author and publisher of the book, while reprinting, are already aware of the need for a major revision of the book but intend to publish it without doing so. The subject of the book, realistic and relevant, should give the author a comprehensive analysis of Michurin’s richest theoretical heritage and recent years Michurin