6^ 



Description of Plate III, 



Psammonteus arctims Ki.er new species, Upper Devonian (E), Skrap Valley. 

 Ellesniere Lanrl. Page 23. 

 Fig. 1. Poi-tion of plate (= PI. 11, fig. f,). X 4. S. 1. 20. Pul. Mus. Krist. Univ. 

 Fig. 2. Tlie same. X 6. Pul. Mus. Krisl. Univ. 



Fig. 3. Transversal microscopical section of tlie latter portion, X 27. 

 Fig. 4. Microscop. section of a fragment (^ PI. II, fig. 6). X 40. 



Drepanaspis Gemun(le)ien^is Si^hlCt , Lower Devonian, Gemunden, <.iermany 

 Pal. Mas. Krist. Univ. Page 29. 

 Fig, 5. Longitudinal microscop. section of body plate. X 2">. 

 Fig. 6. Microscop. section of denticle. X 8.5 



