404 REPORT— 1880. 



wyns to the Carboniferous Liraestone near Oswestry. By A. C. Ramsay, 

 W. T. AvELiNE, and A. R. Selwtn. 1854. 



(78) 38. Section 1 — Continuation of section on Sheet 37. Section 2 

 —From 3| miles W.IST.W. of Meifod, Montgomery, to the head of the Vale 

 of Clwyd. By J. B. Jukes and W. T. Aveline. 1855. 



(79) 39. Section from Arenig-fawr to the Coal Measures, near "Wrex- 

 ham. By J. B. Jdkes and W. T. Ayeline. 1855. 



(80) 40. Section from Forth Llanlliana .... across Anglesea to 

 the Menai Straits. Section across Anglesea from Point ^lianus to tlie 

 Menai Bridge. By A. C. Ramsay and H. Baderman. 1857. 



(81) 43. Across the Wenlock Shale W. of Ruthin, the ... . Vale of 

 Clwyd ; the Flintshire Coal Field between Mold and the Dee. By W. T. 

 Atelixe, E. Hull, and H. Bauerman. 1858. 



(82) 44. No. 1— Across the Denbighshire Coalfield, through Bwlcb 



Gwyn and Brymbo ; the Permian Rocks North of Wrexham By 



D. H. Williams and E. Hull. No. 2— Through Tan-y-Castell across 

 the Denbighshire Coal-field By D. H. Williams. 1858. 



(83) 107. Section from Portskewet in Monmouthshire, across the 



River Severn at New Passage By J. Anstie and H. B. Woodward. 



1875. 



Sheets of ' Vertical Sections ' (scale, 40 feet to an inch). 



(84) 1. Section at Moreb, Pembray, Trim Saran, Cil Rhedyn, and 

 Mynydd Garreg to the bottom of the Mountain Limestone, Cwn Caer Cefn. 

 By [Sir] W. E. Logan. No date. 



(85) 2. The Coal Measures at Llwehwr and Penclawdd, Glamorgan. 

 By [Sir] W. E. Logan. No date. 



(86) 3. From Werndu Seam of Coal to the Two-feet Seam, Cwm Afon 

 Section at Brondiue, Pont-yates, Maensant, and Yr Hencoed. By [Sir] 

 W. E. Logan. No date. 



(87) 4. Section of the Coal Measures near Llandebie, Caermarthen ; 

 Cwm Twrch, Brecknock; Cwm Gwendraeth ; Lansamlet, near Swansea; 

 Bryn Coch Dyffryn, Neath. By [Sir] W. E. L06AN. No date. 



(88) 5. The South Welsh Coal Measures from Penllergare, Glamor- 

 gan, to near Tair Carn, and Pant-y-gwaslad, Caermarthen. By Sir H. 

 De la Beche. No date. 



(89) 6. The Coal Measures from Penllergare to Bisbopston, near 

 Swansea. By Sir H. De la Beche. No date. 



(90) 7. The Coal Measures at Llangeinor, Glamorgan. By Sir H. De 

 LA Beche and [Sir] W. E. Logan. No date. 



(91) 8. The Coal Measures in South Wales and Monmouth. By D. 

 H. Williams. No date. 



(92) 9. The Lower or Ironstone Coal Measures in Glamorgan and 

 Monmouth, illustrative of their decrease from Aberdare eastward to 

 Abersychan. By D. H. Williams. No date. 



(93) 10. Diagram illustrating the variation of the principal Coal 

 Seams in their range from Merthyr Tydvil to Pont-y-pool (scale 3 feet to 

 an inch). By D. H. Williams. No date. 



(94) 12. Illustrative of the passage of the Old Red Sandstone into the 

 Carboniferous Limestone in South Wales. By Sir H. De la Beche, 

 A. C. Ramsay, W. T. Avelink, and J. Rees. No date. 



(95) 13. Section of the Old Red Sandstone and Silurian Rocks (of 

 South Wales). By Sir H. De la Beche and Prof. J. Phillips. No date. 



