...the " fullest evidence of the same truths, and particular" ly in the nature and economy of rivers. Every " river appears to consist of a main trunk,...forming a system of vallies, communicating with one 6 "one another, and having such a nice adjustment of " their declivities, that none of them join the...

...it. This is, indeed, supposed by Mr. Playfair, when he says, relatively to this subject, p. 102 : " Every river appears to " consist of a main •- trunk,...running in a valley proportioned " to its size." And at p. 1 1 3, speaking of a large valley, he says, " Into this, open a multitude of " transverse or...

...Earth, by Professor Playfair. the sea coasts,) " and particularly in the nature and economy of rivers. Every river appears to consist of a main trunk, fed...size, and all of them together, forming a system of valleys, communicating with one another, and having such a nice adjustment of their declivities, that...

...Tributary and Main Streams. — As that eminent Scotsman, Playfair, so clearly stated over a century ago, " Every river appears to consist of a main trunk, fed...size, and all of them together forming a system of valleys communicating with one another, and having such a nice adjustment of their declivities that...

...rocks by the water flowing over them. As the generalization was beautifully expressed by Playfair : " Every river appears to consist of a main trunk, fed...size, and all of them together forming a system of valleys, communicating with one another, and having such a nice adjustment of their declivities, that...

...BY GP PUTNAM'S SONS Civ Unlclietboclicr prces, Hew Uon; j ff — »«.•-. _ ^ " Library o (jus " Every river appears to consist of a main trunk, fed...size, and all of them together forming a system of valleys, communicating with one another, and having such a nice adjustment of their declivities, that...

...studying the other. It is of the greatest importance that stream action be actually studied in the field. "Every river appears to consist of a main trunk fed...size, and all of them together forming a system of valleys, communicating with one another, and having such a nice adjustment of their slopes that none...

...studied in the field. "Every river appears to consist of a main trunk fed frcm a variety of brandies, each running in a valley proportioned to its size, and all of them together forming a system of valleys, communicating with one another, and having such a nice adjustment of their slopes that none...

...evidence of the same truths, and particularly in the nature and economy of rivers. Every river seems to consist of a main trunk, fed from a variety of...size, and all of them together forming a system of valleys, communicating with one another, and having such a nice adjustment of their declivities, that...

...fractional scale ? 15. [1. Over a century ago John Playfair, of Edinburgh, Scotland, wrote as follows : " Every river appears to consist of a main trunk, fed...from a variety of branches, each running in a valley proportionate to its size, and all of them together forming a system of valleys, communicating with...