Articles Notes on Books Br Med J 1873; 2 doi: https://doi.org/10.1136/bmj.2.668.462 (Published 18 October 1873) Cite this as: Br Med J 1873;2:462 Article Related content Metrics Responses Peer review Author Information Please note: Your name will be published with your response. Include your email address in the text of your response if you want others to see it. Once published, you will not have the right to remove or edit your response. The BMJ may remove or edit responses at its absolute discretion. A proportion of responses will, after editing, be published online and in the print journal as letters, which are indexed in PubMed. Rapid responses are not indexed in PubMed Rapid responses have their own URL and are retrievable in an advanced search of thebmj.com in perpetuity. If patients could recognise themselves, or anyone else could recognise a patient from your description, please obtain the patient's written consent to publication before sending your response. See our patient consent form. By submitting this rapid response your are agreeing to our full rapid response requirements. Last Name * First name and middle initial * Email * Occupation * Affiliation Address * Note: this will be visible to readers on the site. Please only include information you are comfortable with being published. Other Authors Twitter Statement of Competing Interests A competing interest exists when professional judgment concerning a primary interest (such as patients' welfare or the validity of research) may be influenced by a secondary interest (such as financial gain or personal rivalry). Find out more. Competing interests? * Yes No Please describe the competing interests Compose eLetter Title * Contents More information about text formatsPlain textWeb page addresses and e-mail addresses turn into links automatically.Lines and paragraphs break automatically. Terms and Conditions I Agree * Read terms and conditions CAPTCHA This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. What code is in the image? * Vertical Tabs