314 ANIMAL LIFE 



Bassalian: 160. 



Biologist : student of animals and plants. 



Blastoderm: 50. 



Blas'tula: 50. 



Budding : the process of reproduction among animals in which a small 

 part of the body substance of an animal grows out from the sur- 

 face, separates from the parent, and develops into a new individual. 



Cae'cum (se-kum) : 42. 



Carniv'orous : flesh-eating. 



Cat arrhine : nostril downward ; said of the narrow-nosed Old- World 



monkeys. 

 Cell : 2. 

 Cellulose : a peculiar compound insoluble in all ordinary solvents, 



forming the fundamental material of the structure of plants, and 



also contained in the mantle of tunicates. 

 Chi tin: 57. 

 ChlS'rophyll : 13. 



Chro'matophore : a color-bearing granule or sac. 

 Chro mosome : 2. 

 Chrys alis : 57. 

 Chyle: 42. 

 Cilia: 5. 

 Cleavage: 50. 

 C51on: 42. 

 Commen salism : 90. 

 Com'munal: 83. 

 Conjugation: 5. 

 Contractile vacuole : a vacuole that dilates and contracts regularly, 



and is supposed to have an excretory function. 

 Cyst : 98. 

 Cytoplasm: 2. 



Degeneration: 95. 

 Development: 46. 

 Differentiation : the setting apart of special organs for special work ; 



progressive change from general to special ; specialization. 

 Digestion : the process of dissolving and chemically changing food so 



that it can be assimilated by the blood and furnish nutriment to 



the body. 



Dimor phism : 24. 



Dlvertic'ulum : a blind pouch arising from another larger pouch. 44. 

 Duode'num: 42. 



