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Show 458 SUMMARY OF THE CONTENTS. of Mount Atlas; and the connection of purely mythical ideas with geographical traditions. Indistinct allusions to igneous eruptions. Triton Lake. Crater-like forms of a locality south of Hanno's "Bay of the Gorilla Apes." Singuhu description of the "hollow Atlas" from the Dialexes of Marinus Tyrius . . . . . 124-127 Notices respecting the Mountains of the Moon (Djebel al-Komr) in the interior of Africa by Reinaud, Beke, and Ayrton. Werne's instructive notice of the second expedition undertaken by the orders of Mehemet Ali. The Abyssinian mountains, which rise, according to Riippell, almost to the height of Mont Blanc. The most ancient notice of snow between the tropics contained in the Inscription of Adulis, which is somewhat more modern than Juba. High mountains which, between 6° and 4° of north latitude, and still more to the south, approach the Bahr el-Abiad. A considerable swelling of the ground divides the White Nile from the basin of the Goschop. Line of separation between the waters which flow to the Mediterranean and those which flow to the Indian Ocean according to Carl Zimmerman's map. Lupata Chain according to the instructive researches of Wilhelm Peters 128-134 Oceanic currents. In the northern part of the Atlantic Ocean the waters are impelled in a true revolving current. That the first impulse which causes the Gulf Stream is to be sought at the southern extremity of Africa, was afready known to Sir Humphry Gilbert in 1560. Influence of the Gulf Stream on the climate of Scandinavia. How it contributed to the discovery of America. Instances of Esquimaux who, aided by the returning eastward flowing portion of the warm Gulf Stream, and by north-west winds, arrived on the coasts of Europe. Such a case related by Cornelius Nepos and Pomponius Mela (of Indians given by a king of the Boii to Quintus Metellus Celer, Proconsul of Gaul); others, in the time of the Othos and of Frederic Barbaro~sa, of Columbus, and of Cardinal Bembo. -Again, in the years 1682 and 1684 natives of Greenland appeared in the Orkneys 134-138 Operation of lichens and other Cryptogamia in the cold and temperate zones in preparing the way for the more rapid establishment of larger phamogamous plants. Within the tropics lichens are often replaced in this respect by succulent plants. Milk-yielding animals of the New Continent; the Lama, the Alpaca, the Guanaco 138-141 Cultivation of farinaceous grasses 141-144 On the earliest population of America . 144 The coast nation of the Guaranis (Warraus), and the Mauritia palm of the coasts, according to the accounts given by Bembo in the Historire Venetre, and those of Raleigh, Hillhouse, and Robert and Richard Schomburgk 144-150 |