Baltimore & O. R. R. Co., 247 Pa. 217; Davis v. Westmoreland Co. Ry. Co. 222 Pa. 356; Del Rossi v. Cooney, 208 Pa. 233; Enright v. Pittsburgh Junction R. R. Co., 204 Pa. 543; Jones v. Traction Co., 201 Pa. 346; Woeckner v. Erie Electric Motor Co., 182 Pa. 182; Evers v. Philadelphia Tract. Co., 176 Pa. 376; Lederman et ux. v. R. R. Co., 165 Pa. 118; Dunseath v. Traction Co., 161 Pa. 124, 130; Phila. & Reading R. R. Co. v. Long, 75 Pa. 257; P. A. & M. Ry. Co. v. Pearson, 72 Pa. 169; Zimmerman et ux. v. Younker et al., 84 Pa. Superior Ct. 36; Loughran v. Thomas Bros. Co., 65 Pa. Superior Ct. 302; Fineman v. Phila. Rap. Trans. Co., 42 Pa. Superior Ct. 379; Corpies v. Sand Co., 31 Pa. Superior Ct. 107; Addis v. Hess, 29 Pa. Superior Ct. 505; Karahuta v. Traction Co., 6 Pa. Superior Ct. 319. Parents are not required to do the impossible in caring for their children. See Henne v. Ry. Co., 1 Pa. Superior Ct. 311, 316. In cases where the court has adjudged the parents guilty of negligence they were shown otherwise culpable, as where the injury occurred in presence of the parent (Johnson et ux. v. Ry., 160 Pa. 647), or where the child had been sent into the street upon an errand
(Sullenberger v. Chester Trac. Co., 33 Pa. Superior Ct. 12), or was knowingly suffered to go upon the street (Rapaport v. Pittsburgh Rys. Co., 247 Pa. 347), or where the parent permitted the child to engage in a hazardous business (Smith v. Hestonville, etc., Passenger Ry. Co., 92 Pa. 450; McCool v. Coal Co., 150 Pa. 638), or permitted it, in his presence, to do the act resulting in the injury (Kuehne v. Brown, 257 Pa. 37; Watson v. Hiland Grove Traction Co., 68 Pa. Superior Ct. 332).
There are also cases where children injured upon railroad tracks have been held trespassers in spite of their tender years, of which Duff v. Allegheny Valley R. R. Co., 91 Pa. 458; Cauley v. Pitts., Cincinnati and St. Louis Ry. Co., 95 Pa. 398;
Moore v. Pennsylvania R. R. Co., 99 Pa. 301; Westerberg v. R. R. Co., 142 Pa. 471, are typical. In the instant case the child was on the