Private ways. Service of petitions on persons non compos mentis, §44-9-41. Estates granted upon conditions. Effect of legal disabilities on conditions. Non compos mentis to excuse person from failing to comply with conditions, §44-6-44. Land registration. Actions against assurance fund. Tolling of limitations during period of insanity, §44-2-193. Partition. Application made for benefit of mentally ill persons by guardian,