PLATE? 



41 



42 



37. Oxyhemoglobin of the Necturus (Nectunix maculatus) , showing long prismatic type of crystal. 



38. Same, showing short prismatic development. 



39. a-Oxyhemoglobin of the Python (Pijtlion iiinliirus), showing habit (l>>, the tabular crystal in flat 



view, and oblique section of crystal. 



40. u-Oxy hemoglobin of the Python, habit (b), showing parallel growth on base. 

 41, 42. a-Oxyhemoglobin of the Python, habit (b), showing flat and edge views. 



