JUST OUT _ Eugenio Rignano 
On the Inheritance of Acquired Characters 
By BASIL Cc. HARVEY, University “of Chicago. With an Additional Chapter on 
gin and Nature war poset Tendencies 
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TRANSLATOR’S paleace 
IGNANO is a student of Biology who soos also the traini ing of an A get: and pivsicies: He has studied biologi- 
cal problems thoroughly from that point. He offers in this book an explanation on a physical basis of 
assimilation, — cell —— and ‘dilreatioticn, ontogeny and the biogenetic a of recapitulation, and he 
suggests a _ echanism whereb e inheritance of Sat pe characters may be effected. 
‘Such a study of "the most ete ake ce nd d iffic cult t of biological p roble ms ap ped o be of the greatest interest 
eeds 4 pe of Physics and Chemistry. 
University of Chicag "Ba ASTL Fp 
me deny flatly a es of ever arriving at an understanding of the nature of life. But if w 
ourselves in what this nee? tanding of the nature of lite pou consist, from the agate of view oh positiv 
a ilosophy, we have no ulty, i recognizing | that euek % understanding must be uced to pe vise: it 
ital hla wit aes er tuite ye awe suitably modified by gs part gg specia. al 
conditions imposed w it so a just these 2 special rene itions shall determine the differences — xist be- 
tween this vital phenomenon and the pheno: of the inorganic world most coeey related t If this b 
so, it is then the duty of science emphatically to reject such a denial of scientific thought as would be dees * 
pon this search for the nature of hg vit i v rey. consti utes the av atioth object and the final 
of all or rt study in general.” —. ignano, in‘ 
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