PLATE VII 



Fig. i . Photomicrograph of old corpus albicans ; fixed Bouin, stained 

 Haematoxylin and eosin (bar = 0-5 mm.). 



Fig. 2. Photomicrograph of old corpus albicans, fixed Bouin, stained 

 Van Gieson (bar = 1 mm.). 



Fig. 3. Photomicrograph of corpus aberrans (Text-fig. 23 a); fixed 

 Zenker-formol, post osmicated, not counterstained (bar = 0-5 mm.). 



Fig. 4. Photomicrograph of corpus aberrans (Text-fig. 23 c); fixed Bouin, 

 stained Masson's Trichrome (bar = 200//). 



Fig. 5. Photomicrograph of corpus atreticum (Text-fig. 23^/); treatment 

 as fig. 3 (bar = 1 mm.). 



Fig. 6. Photomicrograph of corpus aberrans shown in fig. 4, but treat- 

 ment as fig. 3 (bar = 200//). 



Fig. 7. Photomicrograph of part of corpus atreticum shown in fig. 5 

 (bar = 200//). 





