I will, however, relate the occurrence in detail, even at the risk of losing time, if you really feel that it is essential to the understanding of the problem we have to discuss." He was spinning out his sentences, making them intolerably long and lingering, in the hope of maddening the practical little Doctor into an explosion of impatience which might show his hand.

But the little Doctor continued only to stare and smile, and the monologue was uphill work.
Syme began to feel a new sickness and despair.

The Doctor's smile and silence were not at all like the cataleptic stare and horrible silence which he had confronted in the Professor half an hour before.

About the Professor's makeup and all his antics there was always something merely grotesque, like a gollywog.

Syme remembered those wild woes of yesterday as one remembers being afraid of Bogy in childhood.