of which were published in "Scribner's" and in the "Overland Monthly," attracting universal attention. In 1871 Dr. F. V. Hayden, the 'father of the Yellowstone National Park,' made his first exploration, and published the first scientific account of its phenomena. Since then it has become known all over the world. Thousands of tourists have visited it, and the bibliography of the park includes a list of nearly one hundred publications in relation to it. Space here will not permit a detailed
Fig. 4.—Lower Terraces of Te Tarata or White Terrace Geyser.
description of the park, nor is it necessary, but a comparison of some of its features with those of New Zealand and Iceland may be of interest. Without having seen each one of the three regions, it is, of course, difficult to make a complete comparison, and certainly it is impossible to be dogmatic. Still, Nature works according to laws that are the same in all parts of the globe, and a view of any one of the localities will, to a great extent, help to explain phenomena observed in either or both of the others. The comparison can be the more
