
    William Middleton, Plaintiff, v. City of New York, Defendant, and Third-Party Plaintiff-Respondent. Hunter L. Delatour et al., as Trustees of Long Island Rail Road Company, Third-Party Defendants-Appellants.
   Johnston, Acting P. J., Adel, Wenzel and MacCrate, JJ., concur; Sneed, J., dissents and votes to affirm. (Civ. Prac. Act, § 193-a.)  