A catalogue of Western manuscripts on medicine and science in the Wellcome Historical Medical Library

knowledge of the Chinese in the eighth century" which still remains a puzzle. Carlo Castellani makes a detailed comparison of the investigations of Bonnet and Buffon on the problem of generation, concluding that Buffon's approach was the sounder. The last item, a full bibliography of the writings of Walter Pagel compiled by Marianne Winder reminds the reader that this selection of essays, so skilfully woven by their editor, Allen Debus, round Walter Pagel's central motifs, not only supplies rich food for thought on his influence on contemporary historians but also constitutes an invitation to its readers to refresh themselves with cybernetic enjoyment on the works of Walter Pagel himself.