“The Anatomy of the Frog”

IN your notice of the above work, in NATURE of the 8th inst., you are pleased to express a favourable opinion of the wood engravings. As the heading of the article might lead your readers to imagine that these, in addition to the coloured plates, were all executed by Hofmann, of Bavaria, I think they, as well as yourself, will be pleased to know that all the new blocks, numbering upwards of one hundred, were engraved by