536 



INDEX. 



Tetragraptus fruticosus 

 Halli ... 



Headi ... 



Hicksii 



pendens 



Postlethwaitii ... 



quadribrachiatus 



reclinatus 



serra ... 



Theca ... 

 Thysanograptus 



Harknessi . 



61 ; VI, 2 



... 65 



59; V, 3 



... 94 



63 ; VI, 3 



64 ; VI, 1 

 57; V, 1 



67 ; VI, 5 

 52, 65 ; VI, 4 

 6 

 ... 325 

 325 ; XXXIV, 1 

 var. costatus 



327 ; XXXIV, 2 



Thysanograptus retusus 



Trichograptus 



fragilis 

 tenellus 



Trigonograptus 



ensiformis 



328 ; XXXIV, 3 



90 



... 91; XII, 5 



83 



301 



302; XXXV, 1 

 var. lauceolatus 



303 ; XXXV, 2 

 lanceolatus ... ... ... 303 



Trochograptus ... ... ... ... 73 



diffusus ... 73; VII, VIII, 1 



Zonal Eange of British Graptoloidea 



514 



