PLATE XCIII 



PAGE 



Fig. 1. DALMAXITES MULTIANNULATUS Ohern n. sp 500 



Fragment of an exfoliated pygidium. Oriskany formation, Ridgely 

 member, Knobly Mountain, near Cumberland. 



Fig. 2. DALMANITES LATUS Ohern n. sp , 502 



Imperfect pygidium of type. Oriskany formation, Ridgely member, 

 Cumberland. 



Fig. 3. DALMANITES (SYNPHORIA) STEMMATUS Clarke 503 



Exfoliated cephalon. Oriskany formation, Ridgely member, Cumber- 

 land. 



Fig. 4. DALMANITES (CORYCEPHALUS) DENTATUS Barrett ? 505 



Pygidium. Oriskany formation, Ridgely member, Evick Gap opposite 

 Franklin, W. Va. 



Fig. 5. DALMANITES (CHASMOPS) ANCHIOPS (Green) 508 



Pygidium. Oriskany formation, Ridgely member. 



Figs. 6-10. DALMANITES (HAUSMANNIA) PLEUROPTYX (Green) 510 



6. Imperfect pygidium. Helderberg formation, New Scotland member, 



Devil's Backbone. 



7. Young specimen enlarged showing the characteristic features of 



species. 



8. Profile of the head, showing the form and elevation of the eye. 



9. Exfoliated glabella, genal angles restored. 

 10. A large exfoliated pygidium. 



New Scotland formation, New York. 



84 



