(A.) IN CLASSICAL LATIN.
2429. The length of the vowel in some classes of syllables, as used in
the classical period, may be conveniently fixed in the memory by the
following rules. For the usage of older writers, see 126, 129, 132 and
2464-2472. For the general principles of length of vowels and syllables,
see 33-41; 121-134; 177-178.