32O CHARLES T. CRUES AND RUDOLPH W. CLASER. 



EXPLANATION OF PLATES. 

 PLATE I. 



1. Cross-section of overwintering Coccid, showing distribution of symbionts 

 in the fat-body. Low magnification. 



2. Portion of fat-body at higher magnification with symbionts included in 

 adipose cells. Magnification about 400 diameters. 



3. Similar portion, showing more abundant symbionts. Magnification about 

 400 diameters. 



4. Symbionts in adipose tissue which is apparently in prccess of disinte- 

 gration. Magnification about 400 diameters. 



5. Smear from culture of symbionts in liquid medium after 48 hours incu- 

 bation. Magnification about 400 diameters. 



