SILURIAN SYSTEM: NAMHSIM STAGE. 



Lower Namhsim Fauna. 



Ly. = Llandovery = Pentainerus beds, N. Europe = Etage El. Bohemia =Clinton group, N. America. 

 Gc.— Caradoc or Bala=Kuckers beds and Cystidean Limestone, JV. Europe — Etage D 4, D 5, 

 Bohemia II Trenton group, N. America. 





Horizon and 



Nearest Allies. 



rope. 



m 





N. Eu 



Great 

 tain. 







U. Ly. 



f M. contrarius 

 j Barr. 







j M. waldro- 

 nensis Miller 

 and Dyer. 



Wk. 



Wk. 



• • 



Sanyuinolites 

 (Orthonota) 

 decipiens, 

 McCoy. 



(?) Cypricardia 

 {Orthonota) 

 solenoidea 

 Sow. 





U.Lw. 

 L. Lw. 



Horizon and Distribution of Species or nearest Ally. 



o 



Wk. 



a 



Wk. 



Wk. 



a 



Remarks. 



3 



Occurs %vi(h 

 Mim. aung- 

 token si*. 



Uurv. hid., Vol. XXXV I, Pt. 1, p. 24. 



