8 



EAYMOND PEARL AND ALICE M. BORING 



no matter how the preparation may be stained. They make a 

 fine contrast with iron haematoxyhn, acid fuchsin, eosin, methyl 

 blue, and still show their own characteristic yellow even with 



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Fig. C Masses of lutear cells from older discharged follicle, with interstitial 

 cells lying in connective tissue between masses. (X 950.) Compare figure 9. 







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Fig. D Mass of lutear cells from discharged hen follicle, with pigment par- 

 ticles developed in the network. (X 950.) Compare figure 11 and figure 20. 



