Vol. XXviii.] PALiEONTOLOGY OF LANCASHIRE COAL MEASURES. 399 



Estherice. 



Roof of Bassey or Salt's coal ; also in shale over 40 yards 

 (Upper Mountain Mine) coal, and in shale lying over the 

 two inch coal. (Prof. Rupert Jones, op. cit., p. 29). 



Roof of the Mountain Four Feet Mine at Carre Heys, 

 Colne, associated with an example of Schizodus deltoideus. 

 (W626, e coll. Wild, M.M.) 



Beyrichia arcuata. 



Below Gannister coal at Eagley Shore Bridge, north of 

 Bolton. (Hull. Geol. Sur. Mem., Geology of the Country 

 around Bolton-le-Moors, p. 34.) 



Above Gannister coal at Bradshaw Brook, half-a-mile 

 below Bradshaw. (op. cit., p. 84.) 



Beyrichia sp. 



In grey shale above the Bullion coal at Broad Oak Mill, 

 Bury. (Salter. Geol. Surv. Mem., Geology of the Country 

 around Oldham, p. 19.) 



Below Gannister coal at Eagley Shore, north of Bolton. 

 (Hull. Geol. Surv. Mem., Survey of the Country around 

 Bolton-le-Moors, p. 34.) 



Cypris or Cy there. 



Over Lower Mountain Mine (Gannister Mine, H.B.), at 

 Billinge. (Hull. Geol. Surv. Mem., Geology of the Country 

 around Wigan, p. 10.) 



Cytheropsis sp. 



Over Bullion coal. Pimbo Lane, Bispham Colliery. 

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

 Oldham, p. 35.) 



Pygocephalus Cooperi. 



A single example of this rare and aberrant species was 

 described by Huxley. It was found by Mr. George Wild 

 above the Mountain Four Feet coal at Carre Heys, Colne, in 



