THIS important introduction to theoretical embryology is well-known to all those interested in the subject. The English translation and adaptation by Dr. Woodger will make it available to a wider ...

Development implies change. A lot of talking and thinking takes place among development practitioners as to what this means, but it is less common for space and time to be made to focus explicitly and ...

THE interesting notice, in your last number, of M. Coquand's “Oysters of the Chalk,” draws inferences unfavourable to the Theory of Development or Evolution which scarcely seem warranted by the facts.