Chap. 60.] 
STJMMAET. 
239 
happened to be ' cloudy, until the ensuing lustrum ; at which 
time Scipio JS'asica, the colleague of Laenas, by means of a 
clepsydra, was the first to divide the hours of the day and 
the night into equal parts : and this time-piece he placed under 
cover and dedicated, in the year of Eome 595 for so long a 
period had the Eomans remained without any exact division 
of the day. We will now return to the history of the other 
animals, and first to that of the terrestrial. 
SuMMAEY. — Eemarkable events, narratives, and observa- 
tions, seven hundred and forty-seven. 
EoMAN AUTHOES QUOTED. — Ycrrius Flaccus,'^^Cneius Gellius,"^^ 
Licinius Mutianus,^^ Massurius Sabinius,®^Agrippina, the wife 
of Claudius,^^ M. Cicero, Asinius Pollio,^^ M. Yarro,^ Messala 
Eufus,^^ Cornelius IS'epos,^^ Yirgil,^^ Livy,^^ Cordus,^^ Melis- 
"^^ Vitruvius describes this instrument. Marcus, Ajasson, vol. vi. pp. 
218, 219, giyes us an account of two kinds of clepsydrae, or water-clocks, 
which were constructed by the Greeks. — B. See also the account of clocks 
in Beckmann's History of Inventions, vol. i. "'"^ See end of B. iii. 
He was a contemporary of the Gracchi, and was author of a His- 
tory of Rome, down to B.C. 145 at least; supposed to have been very vo- 
luminous and full in its details of the legendary history of the Roman 
nation. Livy probably borrowed extensively from it. 
79 See end of B. ii. 
^0 A hearer of Ateius Capito, and celebrated as a jurist under Tiberius 
and later emperors. From him a school of legists, called the Sabiniani, 
took their rise. He wrote some works on the Civil Law. Pliny quotes 
him, as we have seen, in c. 4, to show the possibility of gestation being 
to the thirteenth month. 
51 Daughter of the elder Agrippina and Germanicus, and the mother of 
Nero. Her memoirs of her life are quoted by Tacitus, but we have no 
remains of them. 
52 The great Roman orator and philosopher. 
53 A distinguished orator, poet, and historian of the Augustan age. He 
was an active partisan of Caesar, and the patron of Horace and Yirgil, 
whose property he saved from confiscation. He wrote a history of the 
civil war in seventeen books, but none of his works have come down to us. 
His tragedies are highly spoken of by Virgil and Horace. 
^ See end of B. ii. 
55 Nothing whatever seems to be known relative to this author, who is 
mentioned in c. 53 of this Book. See the Note to tliat passage. 
56 See end of B. ii. 
s7 The author of the JEneid and the Georgics, the friend of Augustus, 
Pollio, and Maecenas, one of the most virtuous men of ancient time, and the 
greatest probably of the Latin poets. ss ggg qj^^ of B. vi. 
^9 Cremutius Cordus, a Roman historian, who was impeached before 
Tiberius, by two of his clients, for having praised Brutus, and styled Cassias 
