A MONOGRAPH 



OF 



THE FISHES 



OF THE 



OLD RED SANDSTONE OF BRITAIN. 



BY 



JAMES POWEIE, F.G.S., 



AND 



E. EAY LANKESTER, 



JUNIOB STTTDENT OP CHEIST CHUECH, OXFOBD. 



PART I —THE CEPHALASPIDiE. 



BY 



E. RAY LANKESTER. 



Pages 1—33 ; Platea I— V. 



LONDON: 

 PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



1868. 



