60 



Description of Plate II. 



Phtonia cf. Cylindrica HALL, Upper Devonian (E), Skrap Valley. Ellesmere Land. 



Page 20. 



Fig. 1. Left valve, without shell, X W*. S. I. 43. Pal. Mus. Krist. Univ. 

 Fig. 2. Right valve, without shell, X I 1 '2. S. I. 43 b. Pal. Mus. Krist. Univ. 



Large Coccosteomorph, Upper Devonian (E), Skrap Valley, Ellesmere Land. 



Page 38. 

 Fig. 3. Somewhat incomplete plate seen from without. Nat. size. S. I. 7. Pal. Mus. 



Krist. Univ. 

 Fig. 4. Same seen from within. Nat. size. S. I. 7. Pal. Mus. Krist. Univ. 



Psammosteus arcticus K.IJKR new species, Upper Devonian (E), Skrap Valley. 



Ellesmere Land. Page 23. 



Fig. 5. Portion of body plate, X 2. S. I. 20. Pal. Mus. Krist. Univ. 

 Fig. 6. Fragment, X 5. S. 1. 69 b. Pal. Mus. Krist. Univ. 

 Fig. 7. Fragment, X 5. S. I. 81 a. Pal. Mus. Krist. Univ. 



I'sammosteus complicatus KVF.H new species, Upper Devonian (E), Skrap Valley. 



Ellesmere Land. Page 26. 

 Fig. 8. Fragment, X 2. S. I. 43. Pal. Mus. Krist. Univ. 



