376 APPENDIX 



III. LIST OF HORIZONTAL SECTIONS OF THE GEOLOGICAL SURVEY 

 DRAWN BY SIR ANDREW C. RAMSAY. 



Sheet i 



No. i. Section from Porth-wyn, St. Bride s Bay, near Solva, Pem 

 brokeshire, to the north cliff of Ynys-y-Barry ; on a line 100 

 W. of N. from Porth-wyn to the cross-roads near Shyvog 

 Common, and 5 E. of N. from thence to the sea. By A. C. 

 Ramsay and W. T. Aveline. 



No. 2. Section across Pembrokeshire, from South to North. From 

 St. Gowan s Head to Lanstadwell, from Lanstadwell to Tref- 

 garn Rock, and thence to Dinas Head, near Fishguard. By A. 

 C. Ramsay and W. T. Aveline. (1845. Revised 1857.) 



Sheet 3 



No. i. Section from Cerrig-dwfn to Mynydd-bancy-ffair, near 

 Llandeilo. By A. C. Ramsay. 



No. 3. Section from the Black Mountain, near Llangadoc, to 

 Cefnllwyn hir, Caermarthen. By H. T. De la Beche, A. C. 

 Ramsay, and W. T. Aveline. (1844.) 



Sheet 4 



No. 4. Section from Mynydd Bwlch-y-groes, Brecknock to Craig-ddu, 

 Cardigan Bay. By A. C. Ramsay and W. T. Aveline. (1845. 

 Revised 1858.) 



Sheet 5 



No. i. Section across the Old Red Sandstone and Silurian Rocks, 

 from the Black Mountain Range S.E. of Glasbury to Allt-wen, 

 Cardigan Bay, near Aberystwith. By A. C. Ramsay, T. E. 

 James, and W. T. Aveline. (1845. Revised 1858.) 



Sheet 6 



No. 2. Section across the Silurian Rocks, from Gwaun Ceste to 

 Rhiw Gwraidd, Radnor. (1845. Revised 1858.) 



