Manchester Memoirs, Vol. Ix. (1916), No. %. 



II. Notes on some Palaeozoic Fishes. 



By D. M. S. Watson, M.Sc, 



University College, London, 



AND 



Henry Day, M.Sc, 



The University, Manchester. 



( Read October iqth, i<pij. Receive! for publication October 25th, 1915. ) 

 (Plates I.— III. Text-Figs. 1— 9.) 



Index. 



Introduction 

 Systematic - 



Pentlandia no v. «;en. 



Structure - 



Holoptychius flemingii - 

 Glyptolepis paucidens 

 Glyptopo?nus kinnairdi - 

 Rhizcdopsis sauroides 

 Gyroptychius microlepidotus 

 Tristichopterus alatus 

 Osteolepis macrolepidotus- 

 Dipterus valenciennesi - 

 Dipterus platycephalns - 

 Pentlandia macropterus - 

 Phaneropleuron andersoni 

 Sagenodus incequalis 

 Ctenodits ? - - 



Phylogenetic Discussion : — 

 Of Rhipidistia 

 Of Dipnoi - 



Summary - 



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7- 

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12. 



18. 



19. 



20. 



28. 



29. 



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37- 



33. 



21. 



33. 

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February ytlz, iqi6. 



