[87] Population of the principal towns of Tuscany (in 1871):—Florence (Firenze), 167,093; Leghorn (Livorno), 89,462; Pisa, 41,796; Siena, 22,965; Lucca, 21,286; Prato, 15,924; Carrara, 10,848; Pistoja, 12,966; Arezzo, 11,151; Viareggio, 9,983; Pontedera, 7,991; San Casciano, 6,862; Fojano della Chiana, 6,127; Empoli, 5,949; Volterra, 5,796; Massa Maritima, 5,766; Porto Ferrajo, 5,779; Fucecchio, 5,755; Figline Valdarno, 5,673; Montalcino, 5,186; Pontassieve, 5,141; Pontelungo, 5,039; Buti, 5,029; Massa, 4,786; Orbetello, 4,674; Pontremoli, 4,473.

[88]

Area,
Square Miles.
Population
(1871).
Density.
Rome4,552836,700184
Umbria3,720549,600148
Marches3,751915,420244
Abruzzos4,898918,770188
16,9213,220,490190

[89] VOLCANIC LAKES:—Bolsena: area, 42 sq. m.; height, 995 ft.; depth, 460 ft. Bracciano: area, 22 sq. m.; height, 495 ft.; depth, 820 ft. Albano: area, 2·3 sq. m.; height, 1,000 ft.; depth, 466 ft. Nemi: area, 0·8 sq. m.; height, 1,108 ft.; depth, 164 ft. SHALLOW LAKES:—Trasimeno: area, 46 sq. m.; height, 843 ft.; depth, 21 ft. Fucino (in 1860): area, 61 sq. m.; height, 2,300 ft.; depth, 92 ft.

[90] Basin, 6,475 square miles; length, 260 miles, of which 60 are navigable.

[91] Annual rainfall at Rome, 30·7 inches; at the foot of the Apennines, 43·3 in.; on the summits, 94·5 in. Volume of the Tiber: average 10,180 cubic ft.; maximum, 60,400 cubic ft.; minimum, 4,650 cubic ft., a second.

[92] Water supply of some leading cities (in gallons):—

Per Second.Per Day.Per In­hab­i­tant.
Rome (1869)48141,580,000208  
Paris (1875)90478,100,00044  
London (1874)1,262110,000,00027·5
Glasgow (1874)37332,482,50052  
Washington (1870)74166,000,000660  

[93] Value of exports and imports, 1863, £1,348,000; 1868, £999,660.

[94] Tonnage of vessels which entered and cleared at the ports of Latium in 1873:—Cività Vecchia, 520,000 (1875, 600,351); Fiumicino, 63,000; Porto d’Anzio, 30,900; Terracina, 335,000 tons.