384 ME. H. BOLTON, P.R.S.E., ON [Feb., 1904, 



the Holcombe Brook series (Bolton), from the Gannister 

 or Lower Mountain Mine, in association with A. sub- 

 constricta, and from the 40 yards or Upper Mountain Mine 

 at Burrs, half-a-mile north of Bury, in association with C, 

 aquilina, Anthracomya Williamson, and A. Wardi. 



Over Gannister coal, Broadfield, east of Rochdale. (Salter, 

 Geol. Surv. Mem., Geology of the Country around Oldham, 

 p. 61.) 



Over Gannister, Pimho Lane, Bispham Colliery. (Salter, 

 Geol. Surv. Mem., Geology of the Country around Oldham, 

 p. 36.) 



Carhonicola (Anthracosia) acuta var. rhomhoidalis. 



This species is represented by (L. 2066) in the Kay- 

 Shuttle worth collection in the Manchester Museum, Owens 

 College. The specimens are from Burnley, but the horizon 

 is not stated. It may be either Lower or Middle Coal 

 Measures. 



Carhonicola {Anthracosia) acuta var ovalis. 



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

 below Bradshaw. (Hull, Geol. Survey Mem., Geology of 

 the Country around Bolton-le-Moors, p. 35.) 



Above the 40 yards or Upper Mountain Mine at Burrs, 

 half-a-mile north of Bury. (Op. cit., p. 35.) 



Over Gannister coal at Bagslate Moor, IJ miles north of 

 Rochdale. (Salter, Geol. Surv. Mem., Geology of the 

 Country around Oldham, p. 6L) 



Carbonicola {Anthracosia) subconstricta. 



" Mussel-band " below the Mountain Four Feet seam, 

 Burnley. Examples are in the Kay- Shuttle worth Collection, 

 M.M. 



Over Gannister or Mountain Mine in the Oldham district, 

 associated with C. acuta. (Dr. Hind's Monog., p. 161.) 



