PLATE 21 



L>-v Srv^^ f* ^ * M 



s I \ '1 <. 



125 



121. Oxyhemogloliin of the Vulpiin- Pluilanscr (Tricltu.iiirus rul/teculn), showing tabular habit. 



122. Same, showing short prismatic lialiit. 



123. Same, showing long prismatic crystals and edge views of plates growing from cover edge. 



124. Same, showing stout crystals in region of cover edge. 



125. Oxyhemoglobin of the Rat-kangaroo (.K/ii//iryi>iiiiis nifi-scens), showing smaller crystals, many in 



twinned position. 



126. Same, showing medium-sized crystals, some twinned on the orthodome. 



