20 



MASS. EXPERIMENT STATION BULLETIN 337 



Figure 6. Ovule in Ovary of^Hen F-1488, completely surrounded by Neurolymphomatous 

 Tissue. (Magnified 150 diameters.) 



Although the coeliac plexus and ovary of this hen were affected with neurolym- 

 phomatosis, the hen did not transmit the disease to chickens when mated to disease- 

 free roosters. 



