xii CONTENTS. 



PAGE 



Comoapa A Native Doctor Vultures Flight of Birds that Soar 

 Natives live from generation to generation on the same spot 

 Do not give distinctive Names to the Rivers Caribs barter Guns 

 and Iron-pots for Dogs The Hairless Dogs of Tropical America- 

 Difference between Artificial and Natural Selection The cause of 

 Sterility between Allied Species considered The disadvantages 

 of a covering of hair in a domesticated animal in a Tropical 

 Country .......... 191 



CHAPTER XII. 



Ulama The "Sanate" Muymuy Idleness of the People Moun- 

 tain Road The " Bull Rock "The Bull's-horn Thorn Ants 

 kept as Standing Armies by some Plants Use of Honey- secreting 

 Glands Plant-lice, Scale-insects, and Leaf -hoppers furnish Ants 

 with Honey, and in return are protected by the latter Contest 

 between Wasps and Ants Waxy Secretions of the Homopterous 

 Hemiptera .......... 212 



CHAPTER XIII. 



Matagalpa Aguardiente Fermented Liquors of the Indians The 

 Wine Palm Idleness of the Nicaraguans Pine and Oak 

 Forests Mountain Gorge Jinotega Native Plough Descend- 

 ants of the Buccaneers San Rafael A Mountain Hut . .231 



CHAPTER XIV. 



Great Range composed of Boulder Clay Daraily Lost on the Savan- 

 nahs Jamaily A Deer-hunter's Family Totagalpa Walls 

 covered with Cement and Whitewashed Ocotal The Valley of 

 Depilto Silver Mine Geology of the Valley Glacial Drift 

 The Glacial Period in Central America Evidence that the Ice 

 extended to the Tropics Scarcity of Gold in the Valley Gravels 

 Difference of the Mollusca on the East and West Coast of the 

 Isthmus of Darien The Refuge of the Tropical American Animals 

 and Plants during the Glacial Period The Lowering of the Sea 

 Level The Land Shells of the West Indian Islands The Malay 

 Archipelago Easter Island Atlantis Traditions of the Deluge . 247 



