PLATE XLl— continued. 



Figs. 



4 a — d. — Mowgraptiis romcriiiMX, var. rrciinJalns (Tdrnqiiist). (Page 412) — 



coiifimted. 



4 c. Proximal portion, in relief. Tbid. 



4 (/. Fragment showing proximal end. Williamshope (?), S. Scotland. 



Gala Beds. LapAvortli's Collection. 



5 a — d. — Moriogvopivi^ (/rlcf^foirioisis (Nicol). (Page 413.) 



5 ft. Proximal fragment, specimen on Nicol's type slab. Grieston 



Qnarry, S. Scotland. Gala Ik^ds. Geological Survey of 



England and AVales (11,800). 

 5 />. Distal portion. Ibid. (11,801). 

 5 c. Proximal portion, showing considerable curvature. Grieston 



Quarry. Gala Beds. Sedgwick Museum. 



5 d. Ibid. 



C a, h. — Monograptus cf. gripdonipiii<is. (Page 414.) 



6 a. Proximal portion. Tarannon River. Talerddig Grits. Wood's 



Collection, 

 G h. Longer specimen, showing rigid form. Afon-cwm-calch, near 

 Talerddig Railway Cutting. Talerddig Grits (upper part). 

 Wood's Collection. 



7 ft — e. — Monograjdus cremtlaris, Lapworth. (Page 414.) 



7 ft. Long median fragment. Dobb's Linn. Upper Birkhill Shales 



(zone of Gephalog. comcta). Lapworth's Collection. 

 7 h. Long distal fragment, impression. The Corrie, Dobb's Linn. 



Upper Birkhill Shales. Lapworth's Collection. 

 7 c. Distal fragment, part in relief, part impression. Ibid. 

 7 (/. Proximal fragment. Ibid. 

 7 e. Ibid. 



