Report of the State Geologist. 



371 



Plate XVI.—Dalmanites (Cryphceus) Boothi. Figs. 1-2, 3, 4. 



Dalmanites {Cryphceus) Boothi var. Calliteles. Figs. 5, 6, 7, 

 8, 9-14-15, 10-12, 13, 16, 17, 19-20-21, 22. 

 Plate XVI a.— Dalmanites (CrypJueus) Boothi. Figs. 4, 5, 6, 7, 8 (=xvi— 1). 



Dalmanites (Cryphceus) Boothi, var. Calliteles. Figs. 12 

 (=xvi— 5), 13 (=xvi— 6), 14 (=xvi— 7), 15, 16, 17. 

 Plate XVI b.— Acidaspis callicera. Figs. 3-4-5-6-7, 9. 

 Acidaspis, sp. Fig. 14. 



Acidaspis Romingeri. Figs. 15*-16*-17*-18*. 

 Plate XVIII.— Lichas (Terataspis) grandis. Figs. 2, 3, 4-5. 

 Plate XIX.— Lichas (Terataspis) grandis. Figs. 1, 2, 3, 4, 5, 6, 7. 



Lichas (Conolichas) pustulosus. Figs. 10, 11. 



Lichas (Conolichas?) sp.? Fig. 9. 

 Plate XIX a— Lichas (Conolichas) Bigsbyi (?). Fig. 1*. 



Lichas {Conolichas) Eriopis. Figs. 2-3-4-5, 7, 8, 9, 11, 13-15-1 



Lichas (Conolichas) hispidus. Figs. 14, 17, 18. 

 Plate XIX b.— Lichas (Arges) contusus. Figs. 3, 4-5-6. 



Lichas (Ceratolichas) gryps. Figs. 7-8, 9-10-11-12-12 a-136 



Lichas (Ceratolichas) dracon. Figs. 14-15, 16-17, 18-18 a. 



Lichas (Dicranogmus) ptyonurus. Fig. 20. 

 Plate XX.— Proetus angustifrons. Figs. 1, 2, 3, 4-5. 



Proetus crassimarginatus. Figs. 6, 7-8, 23, 24, 27. 

 Plate XXI.— Proetus Rowi. Figs. 5, 25, 26. 



Proetus Haldemani. Figs. 7*-8*. 



Proetus macrocephalus. Figs. 13, 14, 17, 18, 19, 24. 

 Plate XXII.— Proetus angustifrons. Figs. 1, 2. 



Proetus Conradi. Fig. 4. 



Proetus sp. Figs. 5, 6. 



Proetus latimarginatus. Figs. 7, 8, 9, 10, 11, 12. 

 Proetus curvimarginatus. Figs. 13, 14-15, 16, 17, 18-19. 

 Proetus crassimarginatus. Figs. 20, 21. 

 Proetus stenopyge. Fig. 27. 

 Proetus clarus. Figs. 28, 29. 

 Proetus ovifrons. Figs. 31, 32. 

 Proetus microgemma. Figs. 33, 34. 

 Plate XXIII— Proetus folliceps. Figs. 3-4-8, 5. 

 Proetus tumidus. Fig. 9. 

 Proetus planimarginatus. Fig. 12* 

 Proetus Haldemani. Figs. 13, 15* (=xxi, 7*-8*). 

 Proetus Prouti. Figs. 16*-17*, 18*. 

 Proetus Nevadce. Fig. 19*. 



Proetus Rowi. Figs. 20, 22, 23, 24, 26, 27, 28, 29. 

 Proetus macrocephalus. Figs. 30, 31. 

 Proetus Missouriensis. Fig. 32. 

 Plate XXIV.— Cyphaspis coelebs. Fig. 1. 



Cyphaspis stephanophora. Figs. 2-3, 4, 5, 6. 



Cyphaspis minu§cula. Figs. 7, 8-9, 10, 11, 12. 



Cyphaspis diadema, Fig. 13. 



Cyphaspis hybrida. Fig. 14. 



Cyphaspis craspedota. Figs. 15-16-17, 18-19, 20. 



Cyphaspis ornata. Fig. 21. 



