Thomas, J. N. <br/><br/>
Nutrition, feeding mechanisms and digestion in animals (motion picture) / 
Open University speakers, J. N. Thomas, M. E. Varley. 
 - Milton Keynes :  The Open University Press,  1973. 
 - 1 film reel (24 min.) :  sd., b&w. ;  16 mm. + notes. 
<br/><br/> First part is a demonstration of some of the diverse feeding organs of molluscs and secondly a dmonstration of the anatomy and functioning of the stomach  of ruminant mammals.  Backup in U-matic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nutrition.