386 MR. H. BOLTON, F.E.S.E., ON [Feb., 1904. 



(Monog. Carbonicola, &c., Pt. II. ; Mem. Palaeont. Soc, 

 p. 100 and p. 161.) Specimen in the Jermyn Street 

 Museum. 



Anthracomya Wardi. 



The same horizon is given by Dr. Wheelton Hind for 

 this species as the last, namely : — Upper Mountain Mine^ 

 Burrs, half-a-mile north of Bury. (Op. cit. p. 106.) 

 Specimen in the Jermyn Street Museum. 



Anthracomya sp. 



Above the Upper Mountain Mine at Burrs, half-a-mile 

 north of Bury. (Hull, Geol. Surv. Mem., Geology of the 

 County around Bolton-le-Moors, p. 35.) 



Bispham Colliery, over Gannister coal. (Salter, GeoL 

 Surv. Mem., Geology of the Country around Oldham, p. 35.) 



Naiadites (Anthracoptera). 



Naiadites modiolaris. 



I have not seen a specimen of this species from the Lower 

 Coal Meaures, but it is recorded by Dr. Wheelton Hind, 

 from " 30 feet below the Arley Mine, Rochdale.'* (Op. cit.^ 

 p. 133.) 



Naiadites quadrata. 



This species is recorded by Dr. Wheelton Hind, from 

 Bunker's Hill, west of Rochdale, 30 feet below the Arley 

 Mine. (Op. cit., p. 141.) 



Naiadites crassa. 



This species was first recorded from the Lower Coal 

 Measures by the late C. Dugdale under the name of 

 Myalina crassa var modioliformis. It occurs in 50 feet 

 of black shale under the Woodhead Hill rock and 

 immediately above the ten-inch coal. 



