

ZOOLOGY 



INTRODUCTION 



Zoology, the branch of Natural History which deals with 

 animals, is one of the two subdivisions of the great science Biology, 

 which takes cognisance of all organisms, or things having life, as 

 distinguished from such lifeless natural objects as rocks and 

 minerals. The second of the two subdivisions of Biology is 

 Botany, which deals with plants. 



The subject-matter of Zoology, then, is furnished by the animals 

 which inhabit the land-surface, the air, and the salt and fresh 

 waters of the globe : the aim of the science is to find out all that 



ERRATA. 



PAGE. 



17, description of Fig. 5, for " atrosphere " read " astrophere." 

 52, description of Fig. 35, for " Rotalla" read " Rotalia." 

 71, description of Fig. 52, for " Astasiopis" read " Astasiopsis. ' 

 74, line 9, for " divison " read " division." 



Ill, line I, for "out" read "outer." 



208, line 10, for " siphnozoids " read " siphonozooids. " 



272, line 2, for " prostrate" read " prostate." 



402, line 43, for " periphtemal " read " perihaemal." 



450, line 7, for "Fig. 346" read "Fig. 347." 



