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-H 



CO 



CO 



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CO CO 



Hi 



CO 



tH 



CM •-< 



CO 



CM O 



o 



TH 



m co 



in 



TH 



CO 



as 





Ol 



a 



rH 



CO 



-tH 



oo 



-* 



p 



p 



p 



oo 



p 



p 



Cl 



^n 



p p 



P 



p 



o 



TH p 



p 



p p 



p 



p 



p p 



t^ 



p 



p 



p 





o 



CO 































o 



OS 



o 











OS 





OO 



as 





a 



o 



N 





t— i 



CO 



CI 































CO 



CM 



CO 











Ol 





CM 



CM 









CM 



C-l 



CO 



VO 



1^ 



CO 



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OS 



in 



CO 



rH 



rH 



■* 



CO CO 



o 



CM 



CO 



as o 



CO 



r-i in 



o 



m 



CO CM 



o 



CO 



CM 



m 





m 





a> 



TH 



o 



CM 



CO 



o 



CO 



CM 



^* 



t^ 



TH 



in 



CO 



O0 



m co 



OS 



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-tH 



C~ CM 



CM 



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CD 



CO 



th r^ 



t^ 



00 



in 



as 





OO 



d 





p 



T* 1 



00 



Tii 



p 



p 



p 



00 



p 



p 



Cl 



-" 



p p 



p 



p 



p 



p p 



p 



P P 



p 



p 



p p 



CT. 



p 



p 



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OS 































o 



as 



o 



as 



o 







O0 





cb 



as 











CO 



CI 































CO 



CM 



CO 



CM 



CO 







Cl 





CN 



CM 











.— 1 



CI 



CO 



•<* 



in 



CO 



r^ 



CO 



OS 



o 



rH 



Cl 



00 



•* m 



CO 



r~ 



oo 



OS o 



r—f 



CM CO 



TH 



o 



CO t^ 



OO 



as 



O i-H 



OS 



< 















































CM 



CM CM 



CM 



CM 



CM IN 



Cl 



01 



CO CO 



TRANS. ROY. SOC. EDIN. VOL. XXXIV. 



4H 



