[328] Vell. ii. 20. 2; Livy, ep. lxxxiv; App. B. C. i. 64. 287; Cic. ibid.; Exup. 4; Mommsen, Röm. Staatsr. iii. 180, 439.

[329] Livy, ep. lxxxvi.

[330] Mommsen, ibid. 180.

[331] P. 71. Their military purpose is recognized by Dion. Hal. iv. 14. 2, whereas Livy, i. 43. 13, connects with them nothing but the collection of taxes.

[332] Livy i. 43. 13; Pliny, N. H. xviii. 3. 13; Varro, L. L. v. 45; Mommsen, Röm. Staatsr. iii. 166, n. 1.

[333] Dion. Hal. iv. 14. 2; Laelius Felix, in Gell. xv. 27. 5; Flaccus, in Gell. xvii. 7. 5. In referring to the year 204 Livy, xxix. 37. 3 f., represents the tribes as districts. The Pupinian tribe is often spoken of as a district, as by Varro, R. R. i. 9. 5. On the local nature of the urban tribes, see Varro, L. L. v. 56; Livy i. 43. 13; Dion. Hal. iv. 14. 1.

[334] Kubitschek, Rom. trib. or. 24 f.; Imp. rom. trib. discr. 2.

[335] Cf. Grotefend, Imp. rom. trib. descr. 7.

[336] Kubitschek, Imp. rom. trib. discr. 2 f.

[337] Cic. Flac. 32. 79 f. On the growth of the tribe, see Mommsen, Röm. Staatsr. iii. 175 ff.; Kubitschek, ibid. See also the maps in the latter work.