width of the doorway could not be ascertained; the jambs had disappeared. This probably served as a laconicum or sudatorium, in which the temperature was raised to a height sufficient to produce a profuse perspiration. Such an adjunct to the bath did not occur in any of the plans already discussed. But a chamber of the kind probably formed part of the baths

at Castlecary, and it may be seen in several of those that have been excavated in Germany. Both at the Saalburg and at Rückingen, for instance, it appears as a square chamber attached to the tepidarium, and having in each case a separate praefurnium behind it.[1] Separate heating arrangements

1 Von Rössler, 'Die Bäder der Grenzcastelle,' Westdeutsche Zeitschrift, vol. ix. taf. 11.

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