104 



Distribution 

 of Acrothele 

 in the Cam- 

 brian rocks of 

 Eastern 

 Canada &c. 



1 



ffi 



Bretonian. 

 Division 3. 



Johannian. 

 Division 2. 



Acadian 

 ivision 



P 



ii D 



e S 

 co 



B 4 



<a zp 



51 



S 3 

 tf * 



Si 



H * 



**" 9H 



W .T "o 1 " 1 



i r SS" 



Is ^ 



O.C *? fl 



-15 1* 



'? || 



^ t; .<p 



P-| S^- 



^<=^ s 



y v ^ . 



w^'S. g 

 ,fc*3 g'S 



x x x x -x ; : . ?&*> ^ 



o"^ o J2 



SO O^ 



N : ^ 



x x :::.:::: o.' v s 



a g ss 



il*H 



g.^ SS 



* *" I 1 1 I 



e 



i i 



rf 



I- t 



s* 



?P""rt 



S^"* te 



r* ^ oo 



-st* "I 

 2^i S 



rt<0 



Btg . ti 



T-l ft W 

 *J|-'il 



i5|| "58 



s^ a 

 B-a^ e 



S .<i o.-r 



^ | 



>t2 *2 



"">rs ^ 



_, ^.s : a S"rS!*' B """it g"" w f- 



.a rft-i-illWI^ >. i||4 



_ - ..- . 9 C ~cn'wW 



^s c3 rC" : ;cS'S.*c'? c:s5 oa *3 



:I 5f |2 



i^stl |lifl|i|j 1|i Is 

 ..111 3i5j3 



xi>?' 

 . J? i -'L o 



i 1. 1 1 1 i i KS*K 



=Is s 1 



3 S"3 22 

 PQH" eaoJ 



