unmercifully across the head with his spear. Shaking his head and growling, the lion at last moved off again in the direction they had been traveling; but it was an hour before he ceased to sulk. He was very hungry—half famished in fact—and consequently of an ugly temper, yet so thoroughly subdued by Tarzan's heroic methods of lion taming that he was presently pacing along at the ape-man's side like some huge St. Bernard.
It was dark when the two approached the British right, after a slight delay farther back because of a German patrol it had been necessary to elude. A short distance from the British line of out-guard sentinels Tarzan tied Numa to a tree and continued on alone. He evaded a sentinel, passed the out-guard and support, and by devious ways came again to Colonel Capell's headquarters, where he appeared before the officers gathered there as a disembodied spirit materializing out of thin air.
When they saw who it was that came thus unannounced they smiled and the colonel scratched his head in perplexity.
'Someone should be shot for this,' he said. 'I might just as well not establish an out-post if a man can filter through whenever he pleases.'
Tarzan smiled. 'Do not blame them,' he said, 'for I am not a man. I am Tarmangani. Any Mangani who wished to, could enter your camp almost at will; but if you have them for sentinels no one could enter without their knowledge.'
'What are the Mangani?' asked the colonel. 'Perhaps we might enlist a bunch of the beggars.'
Tarzan shook his head. 'They are the great apes,' he explained; 'my people; but you could not use them. They cannot concentrate long enough upon a single idea. If I told them of this they would be much interested for a short time-I might even hold the interest of a few long enough to get them here and explain their duties to them; but soon they would lose interest and when you needed them most they might be off in the forest searching for beetles instead of watching their posts. They have the minds of little children —that is why they remain what they are.'
'You call them Mangani and yourself Tarmangani—what is the difference?' asked Major Preswick.
'Tar means white,' replied Tarzan, 'and Mangani, great ape. My name—the name they gave me in the tribe of Kerchak—means White-skin. When I was a little balu my skin, I presume, looked very white indeed against the beautiful, black coat of Kala, my foster mother and so they called me Tarzan, the Tarmangani. They call you, too, Tarmangani,' he concluded, smiling.
Capell smiled. 'It is no reproach, Greystoke,' he said; 'and, by Jove, it would be a mark of distinction if a fellow could act the part. And now how about your plan? Do you still think you can empty the trench opposite our sector?'
'Is it still held by Gomangani?' asked Tarzan.
'What are Gomangani?' inquired the colonel. 'It is still held by native troops, if that is what you mean.'
'Yes,' replied the ape-man, 'the Gomangani are the great black apes—the Negroes.'
'What do you intend doing and what do you want us to do?' asked Capell.
Tarzan approached the table and placed a finger on the map. 'Here is a listening post,' he said; 'they have a machine gun in it. A tunnel connects it with this trench at this point.' His finger moved from place to place on the map as he talked. 'Give me a bomb and when you hear it burst in this listening post let your men start across No Man's Land slowly. Presently they will hear a commotion in the enemy trench; but they need not hurry, and, whatever they do, have them come quietly. You might also warn them that I may be in the trench and that I do not care to be shot or bayoneted.'
'And that is all?' queried Capell, after directing an officer to give Tarzan a hand grenade; 'you will empty the trench alone?'
'Not exactly alone,' replied Tarzan with a grim smile; 'but I shall empty it, and, by the way, your men may come in through the tunnel from the listening post if you prefer. In about half an hour, Colonel,' and he turned and left them.
As he passed through the camp there flashed suddenly upon the screen of recollection, conjured there by some reminder of his previous visit to headquarters, doubtless, the image of the officer he had passed as he quit the colonel that other time and simultaneously recognition of the face that had been revealed by the light from the fire. He shook his head dubiously. No, it could not be and yet the features of the young officer were identical with those of Fraulein Kircher, the German spy he had seen at German headquarters the night he took Major Schneider from under the nose of the Hun general and his staff.
Beyond the last line of sentinels Tarzan moved quickly in the direction of Numa, the lion. The beast was lying down as Tarzan approached, but he rose as the ape-man reached his side. A low whine escaped his muzzled lips. Tarzan smiled for he recognized in the new note almost a supplication—it was more like the whine of a hungry dog begging for food than the voice of the proud king of beasts.
'Soon you will kill—and feed,' he murmured in the vernacular of the great apes.
He unfastened the rope from about the tree and, with Numa close at his side, slunk into No Man's Land. There was little rifle fire and only an occasional shell vouched for the presence of artillery behind the opposing lines. As the shells from both sides were falling well back of the trenches, they constituted no menace to Tarzan; but the noise of them and that of the rifle fire had a marked effect upon Numa who crouched, trembling, close to the Tarmangani as though seeking protection.
Cautiously the two beasts moved forward toward the listening post of the Germans. In one hand Tarzan carried the bomb the English had given him, in the other was the coiled rope attached to the lion. At last Tarzan could see the position a few yards ahead. His keen eyes picked out the head and shoulders of the sentinel on watch. The ape-man grasped the bomb firmly in his right hand. He measured the distance with his eye and gathered his feet beneath him, then in a single motion he rose and threw the missile, immediately flattening himself prone upon the ground.
Five seconds later there was a terrific explosion in the center of the listening post. Numa gave a nervous start and attempted to break away; but Tarzan held him and, leaping to his feet, ran forward, dragging Numa after him. At the edge of the post he saw below him but slight evidence that the position had been occupied at all, for only a few shreds of torn flesh remained. About the only thing that had not been demolished was a machine gun which had been protected by sand bags.
There was not an instant to lose. Already a relief might be crawling through the communication tunnel, for it must have been evident to the sentinels in the Hun trenches that the listening post had been demolished. Numa hesitated to follow Tarzan into the excavation; but the ape-man, who was in no mood to temporize, jerked him roughly to the bottom. Before them lay the mouth of the tunnel that led back from No Man's Land to the German trenches. Tarzan pushed Numa forward until his head was almost in the aperture, then as though it were an afterthought, he turned quickly and, taking the machine gun from the parapet, placed it in the bottom of the hole close at hand, after which he turned again to Numa, and with his knife quickly cut the garters that held the bags upon his front paws. Before the lion could know that a part of his formidable armament was again released for action, Tarzan had cut the rope from his neck and the head bag from his face, and grabbing the lion from the rear had thrust him partially into the mouth of the tunnel.
Then Numa balked, only to feel the sharp prick of Tarzan's knife point in his hind quarters. Goading him on the ape-man finally succeeded in getting the lion sufficiently far into the tunnel so that there was no chance of his escaping other than by going forward or deliberately backing into the sharp blade at his rear. Then Tarzan cut the bags from the great hind feet, placed his shoulder and his knife point against Numa's seat, dug his toes into the loose earth that had been broken up by the explosion of the bomb, and shoved.
Inch by inch at first Numa advanced. He was growling now and presently he commenced to roar. Suddenly he leaped forward and Tarzan knew that he had caught the scent of meat ahead. Dragging the machine gun beside him the ape-man followed quickly after the lion whose roars he could plainly hear ahead mingled with the unmistakable screams of frightened men. Once again a grim smile touched the lips of this man-beast.
'They murdered my Waziri,' he muttered; 'they crucified Wasimbu, son of Muviro.'
When Tarzan reached the trench and emerged into it there was no one in sight in that particular bay, nor in the next, nor the next as he hurried forward in the direction of the German center; but in the fourth bay he saw a dozen men jammed in the angle of the traverse at the end while leaping upon them and rending with talons and fangs was Numa, a terrific incarnation of ferocity and ravenous hunger.
Whatever held the men at last gave way as they fought madly with one another in their efforts to escape this dread creature that from their infancy had filled them with terror, and again they were retreating. Some clambered
