•;L,w:!;.;i.:a''J,.r^.^..;;l/^'-:il- 

 X 60 



Fig. 59. — Figures of vai-ious Structures and States of Preservation. 



Fig. I.— Portion of two laminae and intervening serpentine, with chrysotile vein. 

 (a) Proper wall tubulated. {b) Intermediate skeleton, with large canals. 

 (fii Openings of small chamberlets filled with serpentine. (s) Serpentine 

 filling chamber. (.y') Vein of chrysotile, showing its difference from the 

 proper wall. . , 



Fig. 2.— Junction of a canal and the proper wall. Lettering as in Fig. »• 

 Fig. 3.— Proper wall shifted by a fault, and more recent chrysotile vein not faulted. 



Lettering as in Fig. i. 

 Fig. 4. — Large and small canals filled with dolomite. . j 



Fig. 5.— Abnormally thick portion of intermediate skeleton, with large tubes and 

 small canals filled with dolomite. 



237 



