GLOSSARY. 



Ab-ra'sion. The act of wearing or rubbing off. 



Ad-he'sion. The attraction between unlike or distinct panicles 

 of matter. 



Ad ven-ti tious. Out of the usual place. 



Al-bu mi-noids. Organic compounds containing nitrogen. 



At-a-vist-ic. The liability of any characteristic of any ancestor 

 to recur in subsequent generations. 



A-tom'ic. Pertaining to atoms, the ultimate indivisible particles 

 of matter. 



A-vail able food. Food which is in such a condition that the 

 plant can and will use it. 



Bal'anced ra'tion. Food consisting of such proportions of vari- 

 ous elements that the least possible amount will be wasted. 



Bar-rel. That part of an animal's body containing the abdominal 

 organs. 



Bris-ket. The projection of flesh and bone just anterior to and 

 between the forelegs of cattle and sheep. 



Bud'ding stick. A shoot of one season's growth. 



Cal-ca're-ous. Composed of, or containing lime. 



Cam'bi-um. The ring of thin-walled formative tissue between 

 the bark and wood in which growth takes place. 



Car-bo-hy'drate. Foods containing carbon but no nitrogen; 

 they also contain oxygen and hydrogen in the same pro- 

 portion as they are found in water. 



Cer'ci (pi. of cer'cus). The jointed antenniform appendages of 

 the posterior somites of certain insects. 



Chem'ic-al af'fin'i-ty. Attraction which acts at insensible dis- 

 tances between atoms of unlike elements, forming com- 

 pounds. 



Chlo'ro-phyll. Green granular matter formed by the leaves and 

 green stems of plants. 



Chrys'a-lis. Quiescent state of butterflies and moths from which 

 the adult insect comes forth. 



Co-he'sion. Attraction between like particles. 



Com'post. Fertilizing mixture; stable compost means barn-yard 

 manure. 



Cor-rod'ing. Eating away by degrees. 



Dis-sem-i-na'tion. Scattering. 



Dor'mant. Inactive, quiescent. 

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