PLATE 83 



497 



493. Reduced Hemoglobin of the Tiger (Felis tigris), showing various aspects of medium-sized cr\>t:il- 



Angle of macrodome may be seen in crystal to left of center of field. 

 494, 495. Same, showing different orientations of medium-sized crystals. 



496. Same, showing large crystals. 

 497, 49S. Same, showing large crystals of second crop, along with small crystals of first crop. 



