146 GLOSSARY. 



Dis-in-te-gra'tion . Destruction, or separation into parts. 

 Ex-crS'tion Throwing off useless matter from the animal 



system. 



Gla'cier An immense mass of moving ice. 



Her-biv'o-rous . . Eating herbs. Living upon vegetation. 



Hu'mus A dark or brown substance, common in soils. 



In com-bus'ti-ble . Not capable of being burned. 



I'so-bar A line indicating the points where the height of the 



barometer is the same. 

 Is o therm ..... A line indicating points where the temperature is 



the same. 

 Lac'te-als ...... Passages through which blood is conveyed from 



the stomach and intestines to the blood-vessels. 

 Le-gu'mi-nous . . Pertaining to a class of plants, including peas, 



beans, clover, etc. 

 Ni-tri-fi-ca'tion . . A natural process by which nitrates are formed 14 



the soil. 

 Ni-trog'e-nous . . , Pertaining to nitrogen, or containing nitrogen. 



O'le-in The oily part of foods in the animal body. 



Pal'mi-tin One of the kinds of animal fat. 



Pet'ri-fied Converted into stone, or into a substance like stone. 



Plu'mule The first bud, or ascending part of a young plant. 



Pro'te-in Those parts of food which furnish nitrogen. 



Ru'mi-nate ..... To chew the cud. 

 Ru'mi-nant .... An animal that chews the cud, 



SaTi-va-ry Producing saliva. 



Se-crete' To separate ; as to separate fluids from the blood. 



Ste'a-rin One of the hard kinds of fat in the animal body. 



Sto'ma-ta Minute mouths or openings on the surface of 



leaves. 



Tu'ber-ous Covered with or containing tubers. 



U're-a . . . , . . . One of the waste substances of the system, sepa- 

 rated from the blood by the kidneys. 



