326 INFLUENCE OF HYPOPHYSIS-FEEDING ON SIZE 



anterior lobe. The result is shown in Fig. 8. The hypophysis-fed 

 male (to the right in Fig. 7), although it was by far the smallest animal 

 before anterior lobe was fed (see Fig. 5), is now, after a period of ante- 



FiG. 5. Experiment 2. Worm-fed controls, at an age of 88 weeks. No. 1, 

 male (total length, 204.1 mm.; weight, 38.5 gm.); No. 2, female (total length, 

 186.6 mm.; weight, 40.2 gm.); No. 3, male (total length, 181.5 mm.; weight, 

 31.1 gm.). 



rior lobe-feeding of only 37 weeks, nearly just as large as, and heavier 

 than the liver-fed control, male No. 1 (the difference in weight was 

 less pronounced a week before but has increased during a period of 

 starvation to which the animals were subjected in preparation for an 

 operation). Moreover the liver-fed animals, although they were 



