page_title: History of anthropometry
section_title: Bertillon, Galton and criminology
hierarchical_section_title: History of anthropometry / Forensic anthropometry / Bertillon, Galton and criminology
caption_attribution_description: English: Photograph and Bertillon record of Francis Galton (age 73) created upon Galton's visit to Bertillon's laboratory in 1893. Serves as a good example of Bertillon's identification technology.
context_page_description: The history of anthropometry includes the use of as an early tool of anthropology, use for identification, use for the purposes of understanding human physical variation in paleoanthropology and in various attempts to correlate physical with racial and psychological traits. At various points in history, certain anthropometrics have been cited by advocates of discrimination and eugenics often as part of novel or based upon pseudoscience.
context_section_description: In 1883, Frenchman Alphonse Bertillon introduced a system of identification that was named after him. The "Bertillonage" system was based on the finding that several measures of physical features, such as the dimensions of bony structures in the body, that remain fairly constant throughout adult life. Bertillon concluded that when these measurements were made and recorded systematically, every individual would be distinguishable. Bertillon's goal was a way of identifying recidivists ("repeat offenders"). Previously police could only record general descriptions. Photography of criminals had become commonplace, but there was no easy way to sort the many thousands of photographs except by name. Bertillon's hope was that, through the use of measurements, a set of identifying numbers could be entered into a filing system installed in a single cabinet.
  The system involved 10 measurements; height, stretch (distance from left shoulder to middle finger of raised right arm), bust (torso from head to seat when seated), head length (crown to forehead) and head width temple to temple) width of cheeks, and "lengths" of the right ear, the left foot, middle finger, and cubit (elbow to tip of middle finger). It was possible, by exhaustion, to sort the cards on which these details were recorded (together with a photograph) until a small number produced the measurements of the individual sought, independently of name.
  The system was soon adapted to police methods: it prevented impersonation and could demonstrate wrongdoing.
  Bertillonage was before long represented in Paris by a collection of some 100,000 cards and became popular in several other countries' justice systems. England followed suit when in 1894, a committee sent to Paris to investigate the methods and its results reported favorably on the use of measurements for primary classification and recommended also the partial adoption of the system of finger prints suggested by Francis Galton, then in use in Bengal, where measurements were abandoned in 1897 after the fingerprint system was adopted throughout British India. Three years later England followed suit, and, as the result of a fresh inquiry ordered by the Home Office, relied upon fingerprints alone.
  Bertillonage exhibited certain defects and was gradually supplanted by the system of fingerprints and, latterly, genetics. Bertillon originally measured variables he thought were independent – such as forearm length and leg length – but Galton had realized that both were the result of a single causal variable (in this case, stature) and  developed the statistical concept of correlation.
  Other complications were: it was difficult to tell whether or not individuals arrested were first-time offenders; instruments employed were costly and liable to break down; skilled measurers were needed; errors were frequent and all but irremediable; and it was necessary to repeat measurements three times to arrive at a mean result.
caption: A Bertillon record for Francis Galton, from a visit to Bertillon's laboratory in 1893.
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