308 ME. E. S. COBBOLB ON TEILOBITES [^ u g. I9H» 



Plate XXV. 

 Lorypygc lakei, sp. nov. Comley Quarry. (See p. 287.) 



Fig. 1. Cranidium restored, from specimen [1103] fig. 2 : a, seen from above ; 

 b, from the side ; c, from behind ; all X 3. 



2. Two cranidia [1103], natural size. 



3. A smaller cranidium, with variation in the shape of the glabella 



[184], x 3. 



4. The smallest cranidium found [185] : a, seen from above ; b, from the 



side ; both x 3. 



5. Part of a much bigger cranidium [1171] showing surface-markings, 



x3. 



6. One of the anterior (?) pleurae [1332] : a, seen from above ; b, sectional 



view: both X 3. 



7. One of the posterior (?) pleurae [1337] : a, seen from above ; b, sectional 



view ; both X 3. 



8. Pygidium [181]: a, seen from above; b, from the side ; c, from 



behind ; all x 3. The spines at the posterior end of the axial lobe 

 are restored from another specimen [181]. 



Agraidos (?) holoccphalus Matthew-. Shoot-Rough-Road Flags, Comley. 



Fig. 9. Cranidium much crushed [302] : a, seen from above ; b, from the side 

 both x 2. (See p. 292.) 



10. Smaller cranidium, less crushed [301] : a, seen from above ; b, from the 



side; c, from behind; all X 2. 



11. Small cranidium, showing full convexity [300] : a, seen from above : 



b, from the side ; c, from behind ; all X 2. 



Microdiscus sp. Cf. M. punctatus Salter. (See p. 292.) 



Fig. 12. Pygidium : a, one of a group of internal casts [1297], X 3 ; b, outline 

 diagram, X ; c, the same seen from behind, X 0. 



Agraulos sp., cf. Arionellus quadrangularis Whitfield. Shoot-Rough- 

 Road Flags, Comley. (See p. 292.) 



Fig. 13. Cranidium showing convexity [371] : a, seen from above ; b, from the 

 side; c. from behind ; all X 2. 



14. Cranidium flattened [370] : a, seen from above ; b, from the side 



c, from behind ; all X 2. 



15. Cranidium, much smaller, with a more cylindrical glabella and more 



strongly marked marginal rim, referred to this species on account 

 of the form of the cheeks as seen from behind [309] : a, seen from 

 above ; b, from the side ; c, from behind ; all X 2. 



Agraulos (?) holocephalus Matthew ? Shoot-Rough-Road Flags, Comley. 



Fig. 10. Pygidium associated with the two previous species [376] : a, seen from 

 above ; b, from the side ; c, from behind ; all X 2. (See p. 292.) 



Agnostus fallax Linnarsson. Shoot-Rough-Road Flags, Comley. (See p. 291.) 



Fig. 17. Pygidium [346] : a, seen from above; b, from the side ; both X 5. 

 18. Cephalon [344] : a, seen from above ; b, from the side ; both X 5. 



Ptychoparia (Liostracus) ? dubia, sp. nov. Shoot-Rough-Road Flags, 

 Comley. (See p. 295.) 



Fig. 19. Cranidium, exterior [305] : a, seen from above ; b, from the side ; 

 c, from behind ; all X 2. 



20. Cranidium, exterior [308] : a, seen from above ; b, from the side ; 



c, from behind ; all X 2. 



21. Cranidium, interior [366], showing glabellar grooves and ocular ridge, 



X 2. 



