Illustrations. 



Page 



Plate I. Macropetalichtys Scheii new species 58 



II. Phtonia cf. cyliudrica Hall, great Coccostomorph form. Psammosteus 



nrcticus nc\v species 60 



III. Psammosteus arcticus new spec., Drepanaspis Gemiindenensis Schliit. 62 



IV. Psammosteus maenndrinus Ag., Drepanaspis Gemiindenensis Schliit. 64 

 \. Psammosteus complicatus new species, Psaramosteus arcticus new 



species 66 



Psammosteus complicatus new species, Psammosteus maeandrinus Ag. 68 

 Hot hriolepis ef. liydrophila Ag., Bothriolepis (?) sp., Bothriolepis cana- 



densis Whit 70 



VIII. Glyptolepis cf. paucidens Ag., Holoptychius Scheii new species, Den- 



drodont teetli, Rhizodont tooth 72 



Figure 1. Mucropetalichlhys Scheii new sepcies 10 



~2. Macropetalichthys Scheii new species 14 



3. Geological sketch map of the south-western part of Ellesmere 

 Land 18 



4. Section of "Bregneklr.ft.-rf 19 



"). Psammosteus complicatus new species 28 



(>. Drepanaspis Gemiindenensis Schliit 30 



7. Drepanaspis Gemiindenensis Schliit 32 



8. Psammosteus maeandrinus Ag 35 



