...;and in para. 686 of Caspersz on Estoppel, Edn. 4, it is stated:It is not enough that the former suit has been heard and determined. The cause of action must be heard and determined.2. Again there is to be found in the same paragraph the observations of Phear, J. in 21 WR 1051:It seems to be clear then that the objection to a suit on the ground of multifariousness or misjoinder of causes of..., on the ground that the firm was unregistered. The firm was then registered, and a second suit was brought on the same cause of action. That suit was dismissed on the principle of res judicata...of an action in England is stated at p. 26, Edn. 3, of the Law of Estoppel by Everest and Strode as follows:In order to create an estoppel, the adjudication itself must be a final one...