XVlil CONTENTS. 



Fishery Uses of Coral Isis hippuris, or Articulated 

 Coral Tubipora musica The genus Madreporaneef 

 and Coral Islands Formation of Eeefs Madrepora 

 muricataIts Chemical Composition How it derives 

 its Lime Its uses ..... 211 234 



CHAPTER X. 

 INFUSOKIA AND OTHER ANIMALCULE. 



Microscopic Animals useful to Man Universal Distribution 

 of Infusoria Dry Fogs Authors who have studied 

 Infusoria Philosophical considerations concerning 

 them The Monads, Rotifera, Vibrio Rhizopoda 

 Monas crepusculum, the most minute of living beings 

 Deposit in which the Transatlantic Cable lies 

 Transition of Colour in Lakes Fossil Infusoria 

 Mountain Meal Its Chemical Composition Enormous 

 quantities of it Consumed as Food Geographical distri- 

 bution of Infusorial Deposits The Town of Eichmond 

 in Virginia Berlin The Polishing Schist of Bilin 

 1,750,000,000 beings to the square inch The Swedish 

 Lake Iron-ore Tripoli, its uses and composition 

 Geographical and Geological Distribution of Infusoria, 

 Foraminifera, and Diatomaceae Soluble Glass obtained 

 from Infusorial Deposits Its Uses Other applications 

 of Infusorial Earth Chalk, its Uses and Origin The 

 Nummulite Limestone Paris mostly built of Ani- 

 malculae Other details Time 235264 



