NO. 24 PTARMIGANIA STRATA RESSER /I 



Plate 12 



PAGE 



Pachyaspis typicalis, new species 61 



1. Small cranidium (X5). 



2, 3. Exfoliated cranidium (X 2). 

 (See also plate n, figs. 15-20.) 



Alokistocare eusona, new species 51 



4, 5. Holotype cranidium (X I.S). 

 Locality 59L 



Kochina? libertyensis, new species 55 



6. Holotype cranidium (X2). 

 Locality 5of. 



Kochina vestita, new species 53 



7, 8. Holotype cranidium (X2). 



Ingle fieldia idahocnsis, new species 55 



9. Holotype cranidium (X 5). 

 Locality 50L 



Alokistocare globatum, new species 52 



10, II. Holotype cranidium (X2). 

 Locality 5Sp. 

 Kochina wasatchcnsis, new species 54 



12, 13. Holotype cranidium (X I.S). 



14. Cranidium with cranidia of Taxioura and Pachyaspis (X 1.5). 

 Kochina/' elongata, new species 54 



15, 16. Holotype cranidium (X3). 

 Locality 20x. 



Ehmaniella maladcnsis, new species 60 



17. Small cranidium (X6). 



18, 19. Cranidium (X2). 



20, 21. Holotype cranidium (X3). 



22. Another cranidium (X3). 



23. Partially exfoliated cranidium, with Taxioura typicalis (X2). 



Plate 13 



Kochaspis dispar, new species 58 



I, 2. Cranidium (X2). 



3, 4. Partially exfoliated cranidium (X2). 

 (See also figs. 13-15.) 

 Locality 59c 

 Poulsenia bcarensis, new species 60 



5, 6. Incomplete cranidium (X 1-5) • 

 7, 8. Holotype cranidium (X2). 

 Locality 19s. 



Kochaspis maladcnsis, new species S7 



g, 10. Pygidium (X 2.5). 



II, 12. Holotype pygidium (X3)- 



Kochaspis dispar, new species 58 



13, 14. Holotype pygidium (X2). 

 15. Pygidium (X2). 



(See also figs. 1-4.) 

 Locality 59c 



