...st and present chapters. Chapter XIII Mutual Affinities of Organic Beings: Morphology: Embryology: Rudimentary Organs Classification, groups subordina... ... general, complex and radiating — Extinction separates and defines groups —Morphology, between members of the same class, between parts of the same in... ...servers have estimated that sediment is deposited by the great Mississippi river at the rate of only 600 feet in a hundred thousand years. This estima... ...eserts, lofty mountains, grassy plains, forests, marshes, lakes, and great rivers, under al- most every temperature. There is hardly a climate or cond... ...quent modification —Summary of the last and present chapters. AS LAKES AND RIVER-SYSTEMS are separated from each other by barriers of land, it might h... ... continent the species often range widely and almost capriciously; for two river- systems will have some fish in common and some different. A few fact... ...changes within the recent period in the level of the land, hav- ing caused rivers to flow into each other. Instances, also, could be given of this hav... ...ion. 365 Charles Darwin Chapter XIII Mutual Affinities of Organic Beings: Morphology: Embryology: Rudimentary Organs Classification, groups subordina... ... general, complex and radiating — Extinction separates and defines groups —Morphology, between members of the same class, between parts of the same in...

... are gales it moves in uniform masses like the swift, still rush of a deep river. The airman, in Mr. Grahame- White’s phrase, can go to sleep on it. B... ...ound reliefs and opportunities more particularly along the shores of great rivers and inland seas. Trade and travel began, at first only a trade in ad... ...hyard; and the re- moval of Charing Cross Station to the south side of the river. Then, again, we have the systematic widening of various thor- oughfa... ...l method of Commenius is confessed by Dr. Steinmetz, who talks of so- cial morphology, physiology, pathology, and so forth. There is also a less initi... ...and choked with small particles of anthracite….” In Massachusetts, at Fall River, the Hon. J.F. Carey tells how little naked boys, free Americans, wor... ...op it. Man circumvents. If fire were human it would build boats across the rivers and outmanoeuvre the wind. It would lie in wait in sheltered places,...