Fine morning slight frost. I move back to line at 5.0 am. Just after I leave LCpl SIVITER gets killed & SMART & GUEST wounded, bad luck. C.O. & Adjt. come back to line about 7.0 pm. C&A Coys moving back about 9.0 pm, good night but cold. Total casualties 2 Officers killed, 8 Officers wounded 220 OR Killed, Wounded, Missing. Numbers who took part about 400. Very bad time.