_Ignis Persicus_ (Persian fire), II. 130.
_India_, Venereal disease in, 40.
_Infection_, views of the Ancients on, II. 248,
in the South more transient, II. 164.
_Inguinal tumours_, a consequence of riding, 242.
_Inns_ of ill-repute at Athens, 76,
fornication practised in them, 8,
at Rome, 98.
_Irrumator_, II. 3.
_Ischuria_ (Retention of urine) in case of ulcers of Urethra, II. 170.
_Isis_, Worship of—at Rome, 103.