xxxil The Naturalist in Nicaragua 
CHAPTER XIV 
PAGE 
Great range composed of boulder clay—Daraily—Lost on the 
savannahs—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 eae ae 
Island—Atlantis—Traditions of the deluge 5 ee 
CHAPTER XV 
A Nicaraguan criminal—Geology between Ocotal and Totagalpa 
—Preparations at Totagalpa for their annual festival— 
Chicha-drinking—Piety of the Indians—Ancient civilisation 
of tropical America—Palacaguina—Hospitality of the 
Mestizos—Curious custom at the festival at Condego—Cross 
range between Segovia and Matagalpa—Sontuli—Birds’ 
MeEStS)) % ° . - : . = . « Et 
CHAPTER XVI 
Concordia—Jinotega—Indian habits retained by the people— 
Indian names of towns—Security of travellers in Nicaragua 
—Native flour-mill—Uncomfortable lodgings—Tierrabona— 
Dust whirlwind—Initial form of a cyclone—The origin of 
cyclones 4 : : : ‘ : : “ 5 ee 
CHAPTER XVII 
Cattle-raising—Don Filiberto Trano’s new house—Horse-flies and 
wasps—Teustepe—Spider imitating ants—Mimetic species— 
Animals with special means of defence are conspicuously 
marked, or in other ways attract attention—Accident to 
horse—The Mygale—Il\Iness—Conclusion of journey . «,/) 236 
CHAPTER XVIII 
Division of Nicaragua into three zones—Journey from Juigalpa to 
lake of Nicaragua—Voyage on lake—Fresh-water shells and 
insects—Similarity of fresh-water productions all over the 
world—Distribution of European land and fresh-water shells 
—Discussion of the reasons why fresh-water productions have 
varied less than those of the land and of the sea : « 250 
