They had become close friends, though to Lucius’s father it seemed that their differences were greater than their similarities. Lucius was strikingly handsome, well built, and graceful – that was a plain fact, and not the prejudice of a doting father – while Claudius, though tall and not bad-looking, had a cowed manner, often spoke with a stammer, and suffered from nervous facial tics and jerks of the head. The stammer and the jerking were more pronounced at some times than at others. Some people assumed that the young man was mentally incompetent. In fact, despite his youth, Claudius was an antiquarian scholar more deeply versed in the minutiae of Roma’s history than anyone the elder Pinarius had ever met. Of the friendship between his son and Claudius he entirely approved; the danger he had just warned Lucius about – of drawing too near the emperor and his inner circle – seemed hardly to apply to Claudius, whom the emperor, embarrassed by the young man’s defects, kept at a distance.

A gong was struck. The augurs stopped their milling and assembled along the four sides of the Auguratorium in order of their age and rank. In the centre of the square, the magister of the college called on Lucius and Claudius to stand beside him, then asked, “Who nominates these new members?”

Lucius’s father stepped forward and placed his hand on Lucius’s shoulder. “I, Lucius Pinarius, an augur, nominate my son, Lucius Pinarius.”

Another figure emerged from the crowd, an old man who seemed quite careless of his appearance. His grey hair needed barbering and his threadbare trabea had seen better days. But when he placed his hand on Claudius’s shoulder and spoke, his voice carried an undeniable ring of authority. “I, Gaius Julius Caesar Octavianus Augustus, an augur, nominate my nephew, Tiberius Claudius Nero Germanicus.”

The magister nodded. “Then I shall begin the examination.” A rumble of distant thunder caused him to glance skyward. “Divination is the means by which humankind may determine the will of the gods. The gods make their will known by signs, which we call auspices. Those who know the way may determine whether these auspices are favourable or unfavourable. By augury, the site of Roma was decided. As Ennius began one of his poems, ‘After by augury august Roma had been founded…’