It was then the turn of the Turks to counter-attack, and this they continued to do throughout the afternoon, but the Australians never yielded a foot of ground on the main ridge, and reinforcements were continually poured up from the beach as fresh troops were disembarked from the transports. The enemy's artillery fire, however, presented a very difficult problem. As soon as the light became good the Turks enfiladed the beach with two field guns from Gaba Tepe and with two others from the north. This shrapnel fire was incessant and deadly. In vain did the warships endeavor to put them out of action with their secondary armament. For some hours they could not be accurately located, or else were so well protected that our shells failed to do them any harm. The majority of the heavy casualties suffered during the day were from shrapnel, which swept the beach and the ridge on which the Australians and New Zealanders had established themselves. Later in the day the two guns to the north were silenced or forced to withdraw to a fresh position, from which they could no longer enfilade the beach, and a cruiser, moving in close to the shore, so plastered Gaba Tepe with a hail of shell that the guns there were also silenced and have not attempted to reply since. As the enemy brought up reinforcements toward dusk his attacks became more and more vigorous, and he was supported by a powerful artillery inland which the ships' guns were powerless to deal with. The pressure on the Australians and New Zealanders became heavier, and the line they were occupying had to be contracted for the night. General Birwood and his staff went ashore in the afternoon and devoted all their energies to securing the position, so as to hold firmly to it until the following morning, when it was hoped to get some field guns in position to deal with the enemy's artillery. Some idea of the difficulty to be faced may be gathered when it is remembered that every round of ammunition, all water, and all supplies had to be landed on a narrow beach and then carried up pathless hills, valleys, and bluffs, several hundred feet high, to the firing line. The whole of this mass of troops, concentrated on a very small area, and unable to reply, were exposed to a relentless and incessant shrapnel fire, which swept every yard of the ground, although fortunately a great deal of it was badly aimed or burst too high. The reserves were engaged in road making and carrying supplies to the crests and in answering the calls for more ammunition. A serious problem was getting away the wounded from the shore, where it was impossible to keep them. All those who were unable to hobble to the beach had to be carried down from the hills on stretchers, then hastily dressed, and carried to the boats. The boat and beach parties never stopped working throughout the entire day and night.