M c Intosh & Prince 



PI. II. 



Trans. Roy. Soc. Edm r Vol XXXV. 



=j 



!&&, 



s&W&$$$&, 



lll§§ . 



■ 





* ft s 

 * ■ 



. 2 



16. 



13 







13a. 







1*. 



- 





17. 



EE Prince del ,W.C.M. Fig 5 5-8,11,13-14. 



- / 



18. 



) . 



r - 



FHu(h,I.ith?Edm r 



