676 MR. H. BOLTON, F.E.S.E., ON [-^^^m 1904. 



Bairdia mucronata. 

 Known to occur, but no record. 



Orthopteha. 



" Orthopterus insect remains " {?.) 



Found amongst plant remains in a bed of purple shale 

 lying about 60 feet above the main limestone. (Binney. 

 Trans. Manch. Geol. Soc, Yol. YI., p. 42.) 



See also Salter, Geol. Surv. Mem., Geology of Country 

 around Oldham, p. 66. The specimen was in Mr. Binney's 

 cabinet. 



Pisces. 



Diplodus gibbosus. 



In limestones, shales, and blackband ironstone of the 

 Upper Coal Measures at Ardwick, Manchester. (Binney. 

 Trans. Manch. Geol. Soc, Yol. YI., p. 42.) 



As " Pleuracanthus gibbosus" recorded from over the 

 Yard Mine of the Upper Coal Measures at Manchester by 

 Salter, Geol. Surv. Mem., Geology of Country around 

 Oldham, p. 17. 



From Ardwick, Manchester. (Salter, op. cit., p. 67.) 



From bed ]N"o. 25, in the Upper Coal Measures at Slade 

 Lane, Longsight. (L. 1617, e coll. Roeder, M.M.) 



Pleuracanthus sp. 



In limestones, shales, and blackband ironstone of the 

 Upper Coal Measures at Ardwick, Manchester. (Binney. 

 Trans. Manch. Geol. Soc, Yol. YI., p. 42.) 



Oracanthus Milleri. 



From the Upper Coal Measures of Ardwick, Manchester. 



(M.M.) 



