"It is bad enough to live in a place that's said to be haunted," said Harker to himself, when he visited the cottage for the first time; "without my telling him that he comes after a man who is certainly a convict, and probably a murderer."

* * * * *

CHAPTER XVII.

DOUBTFUL SOCIETY.

Victor Carrington still lived in the little cottage on the outskirts of London. Here, with his mother for his only companion, he led a simple, studious life, which, to any one ignorant of his character, would have seemed the life of a good and honourable man.

The few neighbours who passed to and fro beneath the wall which surrounded the cottage, knew nothing of the inner life of its occupants. They knew only that of all the houses in the neighbourhood this was the quietest. Yet those who happened to pass the house late at night always saw a glimmer of light in an upper chamber, and the blue vapour of smoke rising from one particular chimney.

Those who had occasion to pass the house frequently after dark perceived that the smoke from this chimney was different from the common smoke of common chimneys. Sometimes vivid sparks glittered and flashed upon the darkness. At other times a semi-luminous, green vapour was seen to issue from the mouth of the chimney.

These facts were spoken about by the neighbours; and by and by people discovered that the smoke issued from the chimney of Victor Carrington's laboratory, where the surgeon was frequently employed, long after midnight, making experiments in the science of chemistry.

The nature of these experiments was known to no one. The few neighbours who had ever conversed with the French surgeon had heard him declare that he was a student of the mysteries of electricity. It was, therefore, supposed that all his experiments were in some manner connected with that wondrous science.

No one for a moment suspected evil of a young man whose life was sober, respectable, and laborious, and who went to the little Catholic chapel every Sunday, with his mother leaning on his arm.