42! 



\\ 



PLATE 71 







' 



.-., ff- 



,\ \ , 



V**" -J "' -a "i *" 



\ . j- "'.*-'. i .*>:(! b^._ JJ-, - - : is . 



- 



.. '..,' ' 



jk *-. .-.. : s 



422 



423 



424 





425 





426 



421, 4'22. Oxyheinofslubin of the Sloth Bear (Mi'Iiirmix urxiinix). showinji small, tirsl-i'onnrcl siM^li' crvslals 

 and l'ar-l vpi' twins. Coinliinalion is liasc cut by the unit prism at one c'in! of ortho-axis 

 and by unit pyramid at the other end, and \vilh or without orthopiuaeoid. 

 4'j:;. Samr, larjii'i- crystals, most, of them showing orthopiuaeoid. 

 424, 42."). Same, larger second-crop crystals from along cover eilsre, a few showini: bear-type I \\in 



426. Same, group of larger crystals from near cover edge, showing parallel growth ami cross-sections 

 of crystals. 



