338 J. w. dayis on A bone-bed in the lower coal-measures. 



18. PffiCILODES, Sp. ? 



Teeth. 



19. Petalodes Hastingsi^, Owen. 

 Not uncommon. Teeth. 



20. Harpacodes, sp. ? 

 Teeth. 



21. Ctenoptychitjs apicalis, Agass. 

 Teeth. 



GANOIDS. 



22. Megalichthys Hibberti, Agass. 



The remains of this fish are abundant. The scales are usually 

 found detached ; occasionally masses are discovered connected ; teeth, 

 vertebrae, and head-bones are common. The fish varied much in 

 size. One large specimen measures 2 feet 6 inches in length with- 

 out the head and tip of the tail, which are unfortunately wanting. 



23. Holoptychies saeroides, Agassiz. 



24. Strepsob-es saeroides, Huxley. 



Scales of the former and teeth of the latter are found in tolerable 

 abundance, nearly always detached. One or two large teeth, pro- 

 bably belonging to Strepsodus, are anchylosed to the bone of the jaw. 



25. Acrolepis, sp. ? 



Rare. Very beautifully preserved scales and broken head-plates. 



26. Platysomes, sp. ? 



Rare. A mass of scales is the only example I have seen. 



27. Acanthodopsis Egertoni, Hanc. & Atthey. 

 Part of a jaw with teeth. 



28. Amphicentrem, sp. ? 



A tooth and a spine attached to dorsal fin ? 



29. Rhizodopsis, sp. ? 

 Yery rare. 



30. Cycloptychies, sp. ? 

 Rare. Part of a jaw. 



31. Gyrolepis Rankinii, Agass. 



One of the few examples from this bed of a fish being found 

 with tne fins and scales in situ. It is 5 inches long, and exhibits 

 part of the head, two dorsal fins, and a mass of small scales. 



