This was a form of territorial government that reported to the Bureau of Insular Affairs. The latter is a geophysical term defined by its insular or peninsular landmass. Equatorial Guinea consists of two parts, an insular and a mainland region. This is the beginning of the concept of insular areas in U.S. territories. The majority of these are forest species with limited distribution, particularly insular species. It is associated with hypometabolism and atrophy of the left anterior insular cortex. This is especially obvious in the field of insular biogeography. Each of the seven major islands is ruled by an island council named "Cabildo Insular". Norn was replaced by the Orcadian dialect of Insular Scots. This gives additional impetus to evolution toward larger size in an insular population. Easter Island is considered part of Insular Chile. Insular areas are administered by the Department of the Interior's Office of Insular Affairs. The Latin influence in English has been significant at all stages of its insular development. He experienced an insular and troubled childhood. They act like the emphasizing particles known as "notae augentes" in the Insular Celtic languages.