PLATE IX Royal Soc. trans. Edi Vol. NV pp 208 & 
1857 1858 



































‘ 1859 1840 
10° =o a 202 xo ° 
Is 20 25° 30 oO 0 o 10 Is? 20° 25° 30° 0 





































10° 
—CRAIGLEITH 

