Rotifer 



An aquatic animal in the phylum Rotifera, possesses cir- 

 cles of cilia at the anterior end. 



Rouches Moutonnees 



Mounds of smoothed rock marked by striations caused 

 by a glacier passing over them. 



Roughage 



Feed for animals consisting of plants or plant parts con- 

 tains a high fiber content and low total digestible nutrients, 

 e.g., hay, Stover. 



Rough Grazings 



Grasslands, largely on hills and mountains in Great 

 Britain, which have replaced forest by natural processes, 

 maintained as grassland by grazing, in contrast to pastures 

 seeded by man. 



Roundworm 



See Nematode. 



Row Crop 



A crop such as corn planted in rows relatively far apart, 

 usually two to four feet, to permit cultivation between the 

 rows. 



Ruderal 



A plant inhabiting fields or waste places, cf. Weed, 

 Exotic. 



Rudimentary 



Refers to an organism or part of one that is in an early 

 stage of development or evolution. 



Rumen 



The first stomach of a Ruminant (q. v.). 



Ruminant 



An animal in the order Artiodactyla, even-toed ungulates, 



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