Certain famous shrines are particularised, after which follow the words: “Then you go down into a cave (or crypt), and you will find there an innumerable multitude of martyrs” (invenies ibi innumerabilem multitudinem martyrum); and again, alluding to another spot, “that cave (or crypt) is filled with the bones of martyrs.”
The cemeteries on the Via Portuensis include the cemeteries of Pontianus and S. Felix.—Salzburg Itinerary.
Cemeteries (Catacombs) on Left Bank of the Tiber (Rome proper)
The Via Ostiensis. (The road leading to Ostia.)
After alluding to the sepulchre of S. Paul and other shrines, such as S. Adauctus, mention is made of a martyr Nomeseus, with many others (cum plurimis aliis).
The Via Ardeatina. (A road on the right or west of the Via Appia.)
The “Guide” speaks of various shrines and proceeds to say: “Not far off lie S. Petronilla and Nereus and Achilles and many other martyrs.”—Itinerary of William of Malmesbury.
The Via Appia. (The “Queen of Roads” leads through Albano on to Capua.)
(1) After enumerating various notable shrines, such as that of S. Cecilia, we read: “There we come upon a countless multitude of martyrs” (Ibi innumerabilis multitudo martyrum).
(2) Further on, mention is made of “80 nameless martyrs who rest here.”—Salzburg Itinerary.
(1) In another “Itinerary” describing the cemeteries of the Appian Way we read of “800 martyrs who are stated to rest in the great Callistus group of Catacombs.”
(2) And here again the expression is used, “with many martyrs.”—De Locis SS. Martyrum.
The Via Latina (leads out of the ancient Porta Capena to the left of the Appian Way).
The “Itinerary” here referred to speaks of some three groups of cemeteries, in two of which, it states, after particularising some famous shrines, that “many martyrs rest there.”—De Locis SS. Martyrum.