▁action ▁was ▁the ▁attack ▁at ▁La ▁Bo iss elle ▁on ▁the ▁first ▁day ▁of ▁the ▁Battle ▁of ▁the ▁Som me ▁during ▁which ▁the ▁division ▁suffered ▁heavy ▁cas ual ties ▁and ▁many ▁of ▁the ▁original ▁P als ▁were ▁killed . ▁ ▁Order ▁of ▁Battle ▁▁▁ 1 0 1 st ▁Brigade ▁▁▁ 1 5 th ▁( Service ) ▁Battalion ▁( 1 st ▁Edinburgh ), ▁Royal ▁Sc ots ▁( left ▁May ▁ 1 9 1 8 ) ▁▁ 1 6 th ▁( Service ) ▁Battalion ▁( 2 nd ▁Edinburgh ), ▁( Mc C ra e ' s ▁Battalion ), ▁Royal ▁Sc ots ▁( left ▁May ▁ 1 9 1 8 ) ▁▁ 1 0 th ▁( Service ) ▁Battalion ▁( Gr ims by ▁Ch ums ), ▁Lincoln shire ▁Regiment ▁( trans ferred ▁to ▁ 1 0 3 rd ▁Brigade ▁February ▁ 1 9 1 8 ) ▁▁ 1 1 th ▁( Service ) ▁Battalion , ▁The ▁Su ff olk ▁Regiment ▁( left ▁May ▁ 1 9 1 8 ) ▁ 1 0 1 st ▁Machine ▁Gun ▁Company ▁( jo ined ▁ 2 7 ▁April ▁ 1 9 1 6 , ▁moved ▁to ▁ 3 4 th ▁Battalion ▁Machine ▁Gun ▁Corps ▁( M . G . C .) ▁ 2 6 ▁February ▁ 1 9 1 8 ) ▁ 1 0 1 st ▁T rench ▁Mort ar ▁B atter y ▁( jo ined ▁ 1 8 ▁February ▁ 1 9 1 6 , ▁broken ▁up ▁ 1 6 ▁May ▁ 1 9 1 8 ) ▁After ▁re