The ship now returns to the position of original attack, and by similar operations brings on board the end which secures communication with the other shore.
Thus Nepenthes secures a supply of nitrogenous food from the animal world in a manner somewhat similar to that adopted by the British sundew, butterwort, and other insectivorous plants.
The stem, by pointing directly to the light source, secures the best illumination possible for all of its leaves, the latter being distributed symmetrically around it.
The advantage of this relatively free system of railway building and management is that it secures efficient and progressive methods.
Their use secures a continuous passage-way through the train, but is attended with some discomfort and risk when the train is in motion.