In the second class of Canes Venatici, under the title of _nare
sagaces_, are placed all keen-nosed dogs of scent.
The Spartan, Cretan, Carian, Etolian or Calydonian, Metagon, Belgian,
Gelonian, Umbrian, Tuscan, Armenian, Petronius, Agassæus or Briton,
Segusian, and others of inferior note.