Bedgood v. Carlton, 145 Ga. 54 (1) ( 88 S.E. 568). The defendant, a resident of Fulton County, having sued out dispossessory and distress warrants against the plaintiff in the Municipal Court of Savannah, upon the plaintiff filing counter-affidavits and bonds, and by operation of law the cases having been transferred to Chatham Superior Court (the Municipal Court of Savannah having no jurisdiction to try the issues made by the counter-affidavits — Ga. L. 1915, p. 124, sec. 3; Ga. L. 1927, p. 455, sec. 2), where they are now pending — the defendant has submitted itself to the jurisdiction of Chatham Superior Court as to all matters included in the litigation which it instituted. DeVore v. Baxter, 150 Ga. 188 (2) ( 103 S.E. 242); Mansfield v. Gray, 153 Ga. 414 (1) ( 112 S.E. 646); Vickers v. Robinson, 157 Ga. 731 (1) ( 122 S.E. 405). (b) A landlord is liable for all substantial improvements placed upon the premises by his consent.