He finally continued, “Your theory that something in the dust that the Specks fling during their Dust Dance could be a trigger appealed to me.

Unfortunately, while I did my best to gather data from the sickened cadets before they became too ill to respond, the disease took many of them before they could be questioned. So we shall never know exactly how many of them may have witnessed a Dust Dance and breathed in dust. However, there are several flaws in your theory. The first is that at least one cadet, Corporal Rory Hart, witnessed the Dust Dance and had absolutely no symptoms of plague. He’s an unusual fellow; he also admitted to, er, more than casual contact with the Specks themselves, with no ill effect. But even if we set Rory aside as an individual with exceptionally robust health, there are still other problems with your theory. One is that the Specks would be exposing themselves to the illness every time they danced the dance. You have told me you believed that the Speck deliberately sowed this illness among us. Would they do it at risk to themselves? I think not.

And before you interrupt—” he held up a warning hand as I took breath to speak, “—keep in mind that this is not the first outbreak of Speck plague that I’ve witnessed. As you might be pleased to know, the other outbreak I witnessed was close to the Barrier Mountains, and yes, the Specks had performed a Dust Dance before the outbreak. But many of their own children were among those stricken that summer. I can scarcely believe that even primitive people would deliberately infect their own children with a deadly disease simply to exact revenge on us. Of course, I suppose it’s possible that the dust does spread the disease, but the Specks are unaware of it. Simple, natural peoples like the Specks are often unaware that all diseases have a cause and hence are preventable.”

“Maybe they face the disease willingly. Maybe they think that the disease is more like a, uh, like a magical culling. That the children who survive it are meant to go on, and that those who die go on to a different life.”

Dr. Amicas sighed deeply. “Nevare, Nevare. I am a doctor. We cannot go about imagining wild things to try to make a pet theory make sense. We have to fit the theory to the facts, not manufacture facts to support the theory.” I took a breath to speak, and then once more decided to give it up. I had only dreamed that the dust caused the disease. I had dreamed that it was so and my “Speck self” believed it. But perhaps in my dreams my Speck half believed a superstition, rather than knowing the real truth.

I gave my head a slight shake. My circling thoughts reminded me of a dog chasing its own tail. “May I be dismissed, sir?”

“Certainly. And thank you for coming.” He was tamping more tobacco into his pipe as I departed. “Nevare!” His call stopped me at the door.