Proc. Roy. Soc, Edin. 
Vol. XV. PI. X. 
f 
li 
( Eicliler. ) 
Fig. 11. 
c.m. 
( Mitchell 
Henry. ) 
C.m. 
( Knox. ) 
( Paget. ) 
ctrchelhcm 
C.m. 
( Kavfmann. ) 
II. (Onufrowiez. ) 
