GLOSSARY. 443 



Dis-in te-gra tion. Crumbling to fragments. 



E-mul'si-fy. To reduce an oily substance to a milky lluid, in 



which the fat globules are in a very fnielv divided state. 

 En'to-moro gy. The science which deals with the life history 



and description of insects. 

 Er-ro'ne-ous-Iy. By mistake; not rightly. 

 Ex'cre-ment. That which is discharged from the animal body 



as useless. Ex-cre'ta. 

 Fil'ter pa-per. A porous unsized paper that retains the sedi- 

 ment when liquids are passed through it. 

 Fun'gi-cide. A preparation which kills fungi. 

 Fun'gus (pi. fun'gi) A flowerless plant lacking chlorophyll 



(green coloring-matter). 

 Green ma-nur'ing. Vegetation plowed under for fertilizing pur- 

 poses. 

 Hu'mic. Pertaining to or derived from vegetable mold. 

 Hu'mous, adj. Containing humus. 

 Humus, ;/. Decayed vegetable or animal matter. 

 Hy-dra'tion. Combining with water to form a hydrate, which is 



usually a neutral salt. Slaked lime is a hydrate. 

 In-oc'u-late. To communicate bacteria germs by introducing 



matter infected by them. 

 In-sec'ti-cide. A preparation to kill insects. 

 La'bel To apply a label to, to mark with a name, etc. 

 Li'chen. Algfe and fungi leading a life in partnership. 

 Marl. A mixed earthy substance consisting of carbonate of lime, 



clay, and siliceous sand in variable proportions. 

 Me'di-an. An ideal line dividing the body of an animal longi- 

 tudinally and symmetrically into right and left halves. 

 Mi'cro=or-gan-ism. Microscopic organism, here meaning bac- 

 teria. 

 Mo-lec'u-lar force. Attraction between molecules. 

 Muck. Decayed vegetable matter. 

 Nod'ule. Small rounded masses, knots, or prominences formed 



on roots of leguminous plants by infesting bacteria. 

 Note. Used in connection with exercises and experiments, means 



observe and record your observation. 

 Nox'ious. Injurious; destructive. 



Ox'i-da'tion. Combining with oxygen to form an oxide. 

 Par'a-sit'ic. Living upon or in, or deriving its nourishment from 

 some other living being. 



