zoo 



[470] 



Z U It 



away serve as the foundation on 

 which living 'animals are continuing 

 to rear a similar structure. 



ZOOPHYTO'LOGY. (from ^wo^vra, a 

 zoophyte, and Xo'fyo?, discourse, 

 Gr.) That branch of natural his- 

 tory which treats of the structure, 

 habits, &c. of zoophytes. 



ZOO'TOMY. (from %&ov, an animal, 

 and -refiveiv, to cut.) A term em- 

 ployed to express the knowledge 

 acquired by dissecting the bodies of 

 animals. This science makes us 

 acquainted with their organization, 

 or with the structure and form of 

 all their internal parts and organs. 

 It points out the connections which 

 subsist between the different parts 

 of the animal machine, by which 

 they are all enabled to co-operate 

 towards the same great objects 

 the preservation of the individual, 

 and the continuance of the race. 



It examines the changes which the 

 organs undergo at different periods 

 of life. It traces the modification 

 of form and structure presented by 

 the different organs and parts of 

 the machine, in all the inferior 

 tribes of animals, by which the 

 whole organization of the species 

 is always admirably adapted to the 

 circumstances in which they are 

 placed. Prof. Grant. 



ZO'STEEA. A genus of plants growing 

 by the sea-side, belonging to the 

 class gynandria, order polyandria. 



ZOSTEKI'TES. Fossil plants of the genus 

 zostera. Pout species have been 

 determined by Ad. Brongniart, 

 namely, Z. bellovisana, Z. caulini- 

 sefolia, Z. elongata, and Z. lineata: 

 these have all been found in the 

 chalk of the Isle d'Aix. 



ZTJ'BLITE. The name given to a Ve- 

 suvian mineral. 



