= 



GASES. 

 T3 



5o p< S W W c^* fe in c^ S rt <J " 



241 



:i 



jooj 



<j-i-ioo t^.C>Oco OO O coo ^f M M M MOOOOO O CT'O Oco O 

 ^>oo M r^-^-O xnxooo ION QNCOI^OO cn>O O^N vnw cnmxnr^r^- 

 " O O w> co O^O co ^* O *o co oo 10 f^* 



co OCT>O^oo 



moo o 



MMNtH 



dodo 



O O M 



WNl-HM 



dodo 



N O d CO Tj- MMMNO N M 



O co ^ u-> co coo *t<x> O co ^t" 

 cocJcoco^- TJ- co co co c$ r>. co 



CO O 



r^cd 



co NCOCO 



"^ OcorfOtoir) co O ONOO 



co ONCOCOCOCO co M MMMCO 



w 



dddd d dddd 2 M dd2 MCO 



or^O"^O MomQco ^j-co ^ o xoco oj o O co O ^* 



(NNMNO MNWMC<COWO OCOxnO COO>^ OO ^t 



ddddo ddddcdwco dddu. dcocoddo* 



ST^-M 

 ONCO 



U-1COO COCOM 



dcd^o'44 



N CO 



dddd 



CONWMCO cor^coMO 

 O O O co O O *t~> ^ O O 



r^O r^r^iDQ M O 

 O M mo r^. xr> T}-O 



o^mcoco COM f^ 



oo^ococo MOCOOMU-) 



M M M M M M (N 



m in o co 



T}- o d d 



N H d 



