Decree affirmed. This is an appeal by the libellee from a decree granting a divorce to the wife on the ground of cruel and abusive treatment. The judge made a report of the material facts. We see no need to summarize the findings of the judge. They show, beyond doubt, that the acts of the libellee constituted cruel and abusive treatment of his wife. Mooney v. Mooney, 317 Mass. 433, 435. Reed v. Reed, 340 Mass. 321, 323. There was no error.

Exceptions overruled. The plaintiff, a tenant of the defendant, alleges error in the allowance of the defendant's motion for a directed verdict. Approximately six weeks prior to the accident on which this action is based the defendant's janitor commenced putting ashes in holes in the yard to the rear of the defendant's premises. In the ashes were some clinkers of undetermined size. In order for the plaintiff to reach the rubbish and garbage cans located in the back yard it was necessary to cross the yard. While taking some garbage to the trash cans at about dusk the plaintiff fell over a clinker the size of a grapefruit and was injured. The record contains no evidence that the defendant, directly or indirectly, was responsible for the presence of the clinker on the spot where the plaintiff fell. Without such evidence any finding for the plaintiff would of necessity be based upon conjecture. Prushensky v. Pucilowski, 269 Mass. 477, 479. Vaillancourt v. Rex Realty Corp. 326 Mass. 534. The defendant's motion was properly allowed.

Order dismissing petition affirmed. The petitioner seeks through mandamus to compel the respondent city manager to restore him to his position as wire inspector, in which position he had been a permanent employee with civil service status. On October 18, 1963, the petitioner tendered to his immediate superior a writing which stated, "Going home sick, will not sit by an open window with a cold. Therefore I will quit on Fri. Nov. 1, 1963. Dave." On October 21, 1963, at the request and direction of the city manager, the petitioner's resignation was accepted in writing by the Commissioner of Public Works. The petitioner appeals from the dismissal

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of his petition by a judge of the Superior Court. There was no error. The note of October 18, 1963, was an effective resignation under G. L. c. 31, Section 18. Its acceptance determined the rights of the parties, and the petitioner thus is not entitled to the issuance of the writ. Warner v. Selectmen of Amherst, 326 Mass. 435, 438-439.