Before starting on a war expedition, the Dyaks consult the omen birds. The headman of the village, with the help of a few chosen friends, builds a little hut at a convenient distance from the Dyak house, and stays there, listening to the voices of the birds. If the first omens he hears are unfavourable, he continues living there until he hears some bird of good omen. When this happens, the men get ready their war-boats and start for the appointed meeting-place. The war-boat is generally made in the same way as the Dyak dug-outs in ordinary use, out of the trunk of one large tree, only it is very much larger and longer, and able to hold sixty men or more. They paint this boat with a pattern of red and white—the red is an ochre and the white is lime. It is propelled with paddles, and the steering is done with one or two greatly developed fixed paddles, which the steersman works with his foot if he happens to be standing up. Sometimes the war-boat is built of planks in the following manner. First they make a long _lunas_, or keel plank, of hard wood the whole length of the boat. This has two ledges on each side on its upper surface, each about an inch from the edge of the keel. Then several planks are made, all of which are also the entire length of the boat. Each plank has an inside ledge on its upper edge, its lower edge being quite plain. When the Dyaks have made as many planks as are necessary, they put them together in the following manner. The keel plank is put in position, then the first side-planks are brought and placed with their lower or plain edges upon the two ledges of the keel planks. The ledge of the first side-plank receives in turn the next plank, and so on, till they have enough planks, generally four or five, on each side. The ledges and the planks next to them are bored, and firm rattan lashings are passed from one to the other. The seams are caulked up so as to render the boat watertight. In the construction of a boat of this kind no nails or bolts are employed—nothing but planks ingeniously fastened together with cane or rattan. These lashings are not very durable, as the rattans soon get rotten. But this is of little consequence, as the boat is only used for war expeditions, and on her return the lashings are cut, and the separated planks are stored in the Dyak house. When she is again required, the planks are got out and the boat reconstructed as before. This kind of war-boat is not often seen nowadays. It is clumsy, and does not travel very fast. In the whole of my experience I have only seen one boat of this kind in course of construction. Dyak war-boats hold from thirty to a hundred men. When filled with dusky warriors with naked arms and legs just visible beneath the palm-leaf awning, paddling with a regular, vigorous stroke, with their Chief standing in the stem working the rudder with hand or foot, they form a grand sight.