...maintain an action in the courts for damages on account of an injury received, and in such an action it shall not be necessary to plead or prove freedom...that the injury was caused by the negligence of a fellow-servant, nor that the employee assumed the risk of his employment, nor that the injury was due...

...injury. * * * " Section 11. In case such an action is maintained in the courts for damages, it is not necessary to plead or prove freedom from contributory...the injury was caused by the negligence of a fellow servant, nor that the employé assumed the risk of his employment, or that the injury was due to the...

...action in the courts for damages on account of such injury; and in such an action the defendant may not plead as a defense that the injury was caused by the negligence of a -fellow servant or that the employee assumed the risk of his employment, or that the injury was due to the...

...or in admiralty for damages on account of such injury or death. In such action the defendant may not ness Preserva servant, nor that the employee assumed the risk of his employment, nor that the injury was due to the...

...action in the courts for damages on account of such injury; and in such an action the defendant may not, plead as a defense that the injury was caused by the negligence of a fellow-servant or that the employee assumed the risk of his employment, or that the injury was due...

...an action for damages in the courts, in which action the employer would be precluded from pleading as a defense that the injury was caused by the negligence of a fellow servant, or that the employee assumed the risk of his employment, or that the injury was due to contributory...