Trans. R. S. C, i8S8. 



DEVONIAN FISHES. 



Sec. IV. Plate IX. 



4. Ventromedian (?) plate. 



3. Left Preventrolateral plate. 









\ •=•' SOCIETY 



^QHAi 



I. Cranial Buckler. 



2. Post-dorsomediaii 

 plate. 



CnCCDSTEUS ACAniCUS, WhitaavBs, 



