"The tongue is curved upon the palate; they turn about their words in the mouth, and make a hissing sound with their teeth." He then goes on to say that all the time of his absence his mind was full of thoughts of his own people in Italy, wherefore he sought leave to return at once. "Curam agebat Medicus ex constituto Medicorum Lutetianorum." De Vita Propria, ch. xl. p. 137.