PLATE 15 



89 



90 



8.5. Oxyhemoglobin and Reduced Hemoglobin of the Crow ((.'nrrux uiei'i<'<iniix). showing regular growth 

 of reduced hemoglobin on oxyhemoglobin, in basal aspect. 



S6. Oxyhemoglobin and Reduced Hemoglobin of the Crow, showing regular growth of reduced hemoglobin 

 on oxyhemoglobin in edge and basal aspects. Reduced hemoglobin crystals seen on ends of oxy- 

 hemoglobin crystals in parallel position. 



87. a-Oxyhemoglobin of the Opossum (Diddiikis eirgi.nia.na), showing small untwinned crystals. 



88. Same, showing large and small crystals. One large crystal shows unsymmetnr.il development of the 



hemiorthodome. 



89. Same, showing simple crystal (100) (001). 



90. Same, tabular crystals in parallel growth, showing hemiorthodome. 



