th ▁( T . F .) ▁Battalion , ▁the ▁Som erset ▁Light ▁Infantry ▁( jo ined ▁as ▁Div is ional ▁P ione er ▁Battalion ▁June ▁ 1 9 1 8 ) ▁Th ir teen ▁other ▁inf antry ▁batt al ions ▁joined ▁the ▁Division ▁for ▁short ▁periods ▁during ▁its ▁re organisation ▁in ▁mid ▁ 1 9 1 8 , ▁all ▁had ▁left ▁by ▁July ▁ 1 9 1 8 ) ▁ 1 9 th ▁Motor ▁Machine ▁Gun ▁B atter y <0x09> ( jo ined ▁November ▁ 1 9 1 5 ▁left ▁ 6 ▁February ▁ 1 9 1 6 ) ▁ 2 4 0 th ▁Machine ▁Gun ▁Company ▁( jo ined ▁ 1 8 ▁July ▁ 1 9 1 7 , ▁moved ▁to ▁ 3 4 th ▁Battalion ▁M . G . C . ▁ 2 6 ▁February ▁ 1 9 1 8 ) ▁ 3 4 th ▁Battalion ▁M . G . C . ▁( formed ▁ 2 6 ▁February ▁ 1 9 1 8 ▁absor bing ▁the ▁brig ade ▁M . G . ▁companies ) ▁Div is ional ▁Mount ed ▁Tro ops <0x09> ▁E ▁Squadron , ▁North ▁Irish ▁Hor se ▁( left ▁May ▁ 1 9 1 6 ) ▁ 3 4 th ▁Div is ional ▁Cy cl ist ▁Company , ▁Army ▁Cy cl ist ▁Corps ▁( left ▁ 1 1 ▁May ▁ 1 9 1 6 ) ▁ 3 4 th ▁Div is ional ▁Train ▁Army ▁Service ▁Corps ▁ 2 2 9 th , ▁ 2 3 0 th , ▁