Chap. 30.] ACCOXTlsrT OF COUOTEIES, ETC. 
265 
Tlie breadth of Illrricum^ at its widest part is 325 miles, 
and its length from the river Arsia to the river Drinius 
o30 ; from the Drinius to the Promontory of Aeroceraunia 
Agrippa states to be 175 miles, and he says that the entire 
circuit of the Italian and Illyrian Gulf is 1700 miles. In • 
this Grulf, according to the limits which we have drawn, 
are two seas, the Ionian^ in the first part, and the Adiiatic, 
which runs more inland and is called the Upper Sea. 
CHAP. 30. — ISLAIfDS OE THE lOIflAlS" SEA AI^D THE ADEIATI.C. 
In the Ausonian Sea there are no islands worthy of 
notice beyond those which we have already mentioned, and 
only a few in the Ionian ; those, for instance, upon the Cala- 
brian coast, opposite Brundusium, by the projection of which 
'I harbour is formed ; and, over against the Apulian coast, 
Diomedia^, remarkable for the monument of Diomedes, and 
another island called by the same name, but by some Teutria. 
^ Ajasson remarks here that the name of Illyricum was very vaguely 
used loj the ancients, and that at different periods, different countries 
were so designated. In PUny's time that region comprised the country 
between the Arsia and the mouth of the Drilo, bounding it on the side 
ol Macedonia. It would thus comprehend a part of modern Carniola, 
with part of Croatia, Bosnia, Dalmatia, and Upper Albania. In later , 
times this name was extended to Noricum, Pannonia, Moesia, Dacia, 
Macedonia, Thessaha, Achaia, Epirus, and even the Isle of Crete. 
2 Here meaning that part of the Mediterranean which lies between 
Italy and Grreece south of the Adriatic. In more ancient times the 
Adriatic was included in the Ionian Sea, which was probably so called 
from the Ionian colonies which settled in Cephallenia and the other 
islands on the western coast of Grreece. 
3 More properly " Diomedese," being a group of small islands off the 
coast of Apuha now called Isole di Tremiti, about eighteen miles from 
the mouth of the Fortore. They were so called from the fable that here 
the companions of Diomedes were changed into birds. A species of sea- 
fowl (which Phny mentions in B. x. c. 44) were said to be the descend- 
ants of these Greek sailors, and to show a great partiahty for such 
persons as were of kindred extraction. See Ovid's Metamorphoses, ■ 
B. xiv. 1. 500. The real number of these islands was a matter of dispute 
with the ancients, but it seems that there are but three, and some mere 
rocks. The largest of the group is the island of San Domenico, and the 
others are San Nicola and Caprara. The small island of Pianosa, eleven 
miles N.E., is not considered one of the group, but is not improbably 
the Teutria of Pliny. San Domenico was the place of banishment of Julia, 
the Hcentious daughter of Augustus. 
