GLOSSARY-INDEX 395 



connective tissue. Material, usually fibrous, which connects the various 



parts of an animal, 

 consciousness, 5, 213. 



conservation of energy, 294; applied to organisms, 303. 

 constructive processes, 139, 225, 299. 

 contagious. Having the character of passing readily from person to 



person. 



continuity of germ plasm, 329. 

 contractile vacuole, 55, 62. 

 contractility, 54. 



convolutions. Folds of the surface of the brain, 

 coordination (Lat. con- = with + ordinare = to arrange). The orderly 



control of the various functions so that they act in harmony; the control 



of many muscles so that they act toward a definite end, 140, 162, 211; 



in plants, 137. 

 copulation. The union of the sexes for the transferring of sperms to the 



eggs, 165, 215. 

 copulatory organs. Organs used for bringing the sex cells together, 



256. 



coracoid, 182. 

 cork, 38. 

 cornea (Lat. corneus = horny). The front, transparent covering of the 



eye, 196. 



corolla. The second row of leaves in a flower, usually colored, 119. 

 coronary arteries. Arteries supplying the heart, 

 corpuscles. Any small bodies, but chiefly applied to floating cells in the 



blood, 192, 205. 



correlation of forces. Same as transformation of energy, 

 cortex (Lat. cortex = bark). The layers of cells inside the epidermis and 



outside the cambium of a young stem; the outer layers of any organ, 



as the cerebral cortex, 104, 112. 

 cotyledons. The leaves of a plant in the seed, 123. 

 cranial nerves. The nerves arising from the brain, 194. 

 cranium (Gr. cranion = skull). That part of the skull that holds the brain, 



180. 

 crop. An expanded chamber of the digestive tract for storing hastily 



swallowed food, 158. 

 cross fertilization. Fertilization of eggs from one individual, with sperms 



from another, 165, 267. 

 crus, 182. 

 cryptogams (Gr. cryptos = concealed + gamos = marriage). Plants which 



do not produce flowers, 103. 



