216 



BRITISH GRAPTOLITES. 



Cb 



J& 



<& 



> 

 p 



§ 



B = 





Short, 

 parallel- 

 sided 



a 

 a 



Three con- 

 spicuous 

 spines 



1-1 &3 .9 



Thickened 

 edges pro- 

 duced into 

 spines 



- 



> 



p 



o 

 a 



8 





llll ' 



ft 



a 



a 



all 



as-s 

 rt p a 



■* eP S 2 » -1 



'be g A "S a; 



p.'H.g ^i.^ 



<D a s '5 ft =« 



P 



§ 



C5 



1 

 8 





b-s %i > a 



►■a ^St; 



if ^ «a 



1 ga £ &0 





1 1 



el bo , 



'Y a 



8 



i 



§ 



■s 



1 1 



1 1 



1 1 



6 





1 i 



a 



I g-S g & 



if! 



1 1 



el 'So 1 



ra 



1'f? 



5 





9 % T3 03 7s 

 H g ^ be g* 



a ft" n m 



g a 



a g ™ ^ § & 

 *3f Si* 



7.1 

 si 



«2 



13 T) 

 el a> 



J^l 1 



^§ '^ft 



Ph 



P 

 O 



Pi 



8 





ft 



1 





00 

 J, 1 



111 1 



3 a o> ' 

 aj •■"> p- 

 ft 



> fl -.*cn ft 



8 





Ml - 



1 



a %M s 



rf 2 a el 

 » S ^ & 



2^| 



1 1 





5s 





1-p! 



bo § § a "" 



fl O o =s 



1 



• Is* -S 



s -2 -^ s ^ * ce 



£ H > a 



00 T^ QJ 

 <N bc-rs 



X .3 



1 1 



S fe ^ ft c3 



t» g -|C«H ft 



B 





biDi 



>,+■ .g *• 



1 



P 



Passing in- 

 sensibly 

 into tube 

 partially 

 surround- 

 ing very 

 long vir- 



eg OS "g <D 



a I g.g 



ft *« ^ o 

 » -5-9 



1 1 



S.9 S^^. 



-g So 1 ^ 





*f> 



bo 



o "• 





I' 



1 1 



1 1 





5Ja 



.3 - 



a 

 a 



es 



"•Ji 8> 



02 .3 







1 1 



00 



1 1 



1 1 



S 

 8 





bc^Ti 



3|1 



a 

 a 



IO 



H „ bo^ 



m ^ ft E?.S 

 w m g >. 



1 .-s.g 

 ^S.g 



Slightly 

 intro- 

 verted 



"Wide and 

 deep 



£-j ventral 

 margin of 

 polypary 

 f 4 breadth 

 of poly- 

 pary 





r ■ 



p. 

 _>> 



o 



ft 



o 

 ffl 



1 1 



ft 



> 



S 



•-0 

 el 



• 7a 



'x 



gft 



"S o 



11 



teg 

 el cs 

 o A 

 hlO 



1 a 

 o2l c 

 2 « s 



^ d ?! 







ej 



a 



J 



< 



a 

 1 



