Plate Yin. 





ii 



KwruJH 



mmim^^^^ 



'""'" ' '" X' 6 



Eozoon and Chrysotile Veins, etc. 



T?Tr 1 —Portion of two lamina and intervening serpentine, with cTirysotik 

 veil (a VopeVwall tobulated. (b.) Intermediate skeleton, ^vlth large 

 ramis c ) Openings of small cbamberlets filled with serpentme. (s.) Ser- 

 pentine filling chamber. (sM Vein of chrysotile, showing its difference fron. 



FiG!^2'-jXcti'^n of a canal and the proper wall. I^^ttering as in Fig. 1- 



Fig. S^-Proper wall shifted by a fault, and more recent chrysotile \em not 



faulted. Lettering as in Fig. 1. .^^ , , ., 

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

 Fig 5. -Abnormally thick portion of intermediate skeleton, with laige tubes 



and small canals filled with dolomite. 



