Photograpli slK)\viiif; the expression, liead and otlicr features of form 

 cliaracteristic of liojrs tluit do not fatten rapidly. These pifis on srain and 

 grass gained only 31!^ pounds while being fed 91 days in an experiment by the 

 Utah Experiment Station. 



Photograph showing the head and form of a typical fat iiog, also comfort 

 ably disposed for rapid increase in weight. 



