PLATE 23 



' Tiff*-' ^ i . .- k*-i*- -s*-- 1 nfvtSfK.- -T 



136 



137 



138 



133. Oxyhemoglobin of the Rock-kangaroo (Petrngalr s\>.), showing short lath-shaped crystals. 

 134, 135. Same, showing long and short lath-shaped crystals and capillary crystals. 



136. Same, large crystals of long, lath-shaped type'-, showing parallel growth. 



137. Oxyhemoglobin of the Ant-eater (M i/rmecoplmgri f), showing capillary crystals growing from pro- 



tein ring and large lath-shaped crystals. 



138. Same, showing large lath-shaped crystals growing from cover edge. 



