472 



MR J. Y. BUCHANAN, F.R.S., ON THE 



a 



-S£ 



W 



ffl 

 < 



Eh 



IH 

































o 



•c 



+ 





























er cent. 

 NiO in 

 Nodules 



































«* 





l-H 



01 



O 



00 



Ol 





















1— 1 



II 



g 





1— 1 



CO 

 1— ( 



p 

 b 



cp 

 b 



b 

















Ph 





























eight 

 NiO 

 ams). 







co 



d 



o» 



-* 

























1—1 



CO 



-* 



CO 



-# 

















h^ 





r— 1 





































O 







p 



p 





















^ "o ,60 







b 



b 



b 



b 



b 

















IH 



CO 



«r 





























°.a 5 



CO 







+ 





























, -? * <u 



* ■ 



« 





OS 



OJ 



i-H 



OS 



-* 



Ol 



01 



m 



CO 











0" 

 



I— 1 



II 



>4i 





b 



i-H 



b 



ci 



b 



b 



CO 



b 



O 



b 



p 



b 



p 

 b 





 b 









Ph 





























Weight of 

 ' Co 3 4 

 (grams). 



**a 





05 



O 

 O 



00 

 

 

 



1— 1 



i-H 

 O 

 O 



i-H 

 O 

 O 

 O 



1— 1 



CO 











■<* 



01 





 

 p 



Ol 



O 

 O 



O 



O 

 O 

 O 



■>* 



CO 





 

















b 







b 



b 



b 



b 



b 



b 



b 









<* 

















■>* 



-* 



■«*< 



-* 









M ^ O W 



+ 





00 



t~ 



CO 



1— 1 



00 



CI 



01 



^* 



eo 









Tota 



Weigh 



NiO + C 



(gram 





CI 



t~ 



CO 



10 



00 















O 









1} 





1 — 1 































O 









11 





O 



p 



p 







p 



p 











p 











b 



b 



b 



b 



b 



b 



b 



b 



b 







































«(H 



"S 





























ri t/3 



1 



** 



























ii' ri o 







i-H 



CO 



^H 



1— 1 



OS 



O i-H 



CO ->* 



O l-H 



CO Ol 



10 01 



in 



01 



O 



er cen 

 MnO 

 Nodul 



CO 



x^- 



t~- 



p 



p 



.p 



CO -HH 



so CO 



p p 



ip ip 



T* ^ 



l-H 



t- 



Tfl 



CT> 



in 



10 



CO 



CO 



00 



b b 



i-H i-H 



b- 1^- 



00 00 



b b 



>^- 



b 



b 



O 

 11 



CI 



01 



CI 



CI 



i-H 



r— 1 i-H 



CO CO 



01 01 



01 01 



01 01 



CO 



01 



01 



Ph 































«» 





























j, 































oOj 



-ofS 





























j-5 ra 



<» 1 e 







































00 



i-H 



1 — 1 



Oi 



01 



01 



01 



>o 



CO 













CI 



CO 



cp 



CI 



p 



p 











p 



O 









o + 



1 — 1 

 II 



'H 



1—4 



1 — I 



i-H 



b 



b 



b 



b 



b 



b 









Ph^-2 



"S 





























--V. 

















-* 



^H 



^H 



-* 









4J + (-T X 





CO 



IO 



t~ 



CO 



1— 1 



00 



01 



01 



^H 



»o 











co 



CO 



t~ 



CO 



in 



00 







O 



O 













^ 











O 



O 















O 



O 















p 







O 



O 



p 



p 







O 



O 



p 











b 



b 



b 



b 



b 



b 



b 



b 



b 



b 









-So M .0 & 





^t> 



l-H 



<M 



CO 



00 



^* 



vn 







,_, 



t~ 









t D S -« B ^ S S 





01 



t~ 



IO 



Ci 



-* 



00 



01 







Oi 



CO 









r*^ 







CO 



■<* 



-# 







O 



>« 



1— t 



00 



r-H 









® S "3 g § -s -2 



C 



lyH 



1 — 1 



i-H 



17H 



i-H 



01 



CO 



CO 



01 



CO 













b 



b 



b 



b 



b 



b 



b 



b 



b 



b 









a <-> -a 































•O 1 « 





























O 



^* 



00 



CO 



i-H 



t^ 



OJ l-H 



^ Ol 



01 CO 



CO l-H 



00 CO 



X* 



in 



O 



O 



00 



p 



-* 



00 



p 



T* 'P 



t-- t-- 



p p 



t^ t- 



-rJH Ip 



p 



p 



i>- 



i—l 



00 



C5 



b 



CO 



b 



i-H ^H 



CO CO 



b b 



b b 



i-H i-H 



b 



l-H 



l-H 



II 



CI 



<M 



eo 



01 



01 



0^1 Ol 



CO CO 



CO CO 



eo co 



CO CO 



eo 



eo 



CO 



l^i • ~ rt 



V) 

























































<*H 































+ , H. • 



%°„o o n a 



fa* a " W) 





co 



t~ 



CO 



OS 



CO 



CO CO 



G5 CJ5 



t^ 00 



t~ -* 



00 i-H 



00 



00 



l-H 





CI 



t- 



CO 



O 



ira 



b- ■* 



t^ to 



O OS 



0<1 CO 



00 i-H 



co 



in 



eo 



» 



m 



co 



-* 



m 







O O 



CO 00 



lO VO 



-* x* 



lO CO 



O 



00 



co 





1—1 



i-H 



i-H 



I — 1 



i-H 



l-H r-H 



i-H 1 — 1 



I-H i-H 



l-H i-H 



l-H l-H 



l-H 



l-H 



1 — i 









O 



O 







O 



O O 







O O 



O O 



O O 



O 



O 



O 



K- ^' -— " 































Weight 

 E Sample 



taken 

 (grams). 









CO 



01 



CO 



IO 



IO lO 



t~ CO 



l-H i-H 



Ol t~ 



»c 



CO 



<* 



-* 





Oi 



CO 



O 



CO 



CO 



i-h (M 



t~ l-H 



01 01 



CO CO 



■<* l-H 



t~ 



i-H 



■^ 



S 



01 



t" 



00 



CO 







O 00 



OS lO 



O eo 



CO t- 



O l-H 



CO 



00 



l-H 



ip 

 b 



b 



b 



in 

 b 



ip 



b 



b b 



b b 



10 »p 

 b b 



-H4 -H4 



b b 



lO »p 



b b 



01 



b 



ip 

 b 



in 

 b 



































c3 «5 





1 — 1 



ci 









l-H 01 



l-H 01 



i-H 01 



l-H 01 



l-H 01 





l-H 



oi 



go a 



S OS 







I-H 



I-H 



h- 1 



I-H 



> 



► 



3 



fe 



Ph 



O 1 



\A 



Ph 





3 CO 











I-H 



^H 



















