Boys at a bush school, Sierra Leone ca. 1927-28.

" The Poro Boys at the Bush School." Boys wearing net shirts at a bush school.; From a set of lantern slides entitled "Daybreak in Mendiland" compiled by Frank Deaville Walker (1878-1945), editor of the Methodist Missionary Society magazines Foreign Field and its successor, Kingdom Overseas. Many of the photographs Walker used were his own, taken on visits to the MMS mission fields between 1920 and 1937. Mendiland is in the south west of Sierra Leone, the home of Mende-speaking people.

《丛林学校中的波罗男孩（Poro Boys at the Bush School）》：配图文字为「身着网衫的丛林学校男孩」。该影像出自弗兰克·迪维尔·沃克（Frank Deaville Walker，1878-1945）编撰的幻灯集《门德兰的黎明（Daybreak in Mendiland）》；沃克曾担任卫理公会传教士协会（Methodist Missionary Society，简称MMS）杂志《Foreign Field》及其后续刊物《Kingdom Overseas》的编辑。沃克所使用的大量照片均为其本人拍摄，拍摄时间为1920年至1937年，拍摄地点为该协会的传教区域。门德兰（Mendiland）位于塞拉利昂西南部，是门德语族群的聚居地。