PLATE 16 



9 1 



IMP*" . 



92 



93 





95 



96 



91. a-Oxyhemoglobin of the Opossum (Diilrlfihix riri/ininmi). large crystal showing parallel growth ami 



unsymmetrical development of hemiorthodome. 



92. Same, showing large simple crystal ami horse-type twin. 



93. Same, showing twin on hemiorthodome and unsymmetrical development of this dome. 



94. Same, showing unsymmetrical crystals and a twin on edge. 



95. Reduced Hemoglobin of the Opossum, showing thick and thin tabular crystals and parallel growth. 



96. Same, showing Reduced Hemoglobin with crystals of oxyhemoglobin. 



