;T OF GEOLOGICAL MAPS AND SECTIONS OF THE GEOLOGICAL SURVEY 

 OF THE UNITED KINGDOM, 



WISHED BY Messrs. LONGMAN & Co. por Her Majesty's Stationery Office, and sold there and at the 

 Museum of Practical Geology, Jermyn Street. 



' Maps are those of the Ordnance Survey, Geologically Coloured by the Geological Survey of Great Britain and Ireland, 

 ider the Superintendence of Sir Roderick Impey Muechison, F.R.S., Director-General. The various Formations 

 I traced and coloured in all their Subdivisions. 



GREAT BRITAIN : — The Counties of which the Geological Survey is completed, are ■ 



SCKNOCKSHiRE, Sheets 36, 41, 42, 56 (NW & SW), 57 (NE 

 :SE). Sheets, 2Z. 05. 6d. 



SDIGANSHIRE, 40, 41, 56 (NW & SW), 57, 58, 59 (SE), 60 

 ISW). Sheets, li. 17s. 



Ibmarthenshire, 37, 38, 40, 41, 42 (NW & SW), 56 (SW), 

 h(SW&SE). 11. m. 



liiBirARVON, 74 (NW), 75, 76. 77 (N), 78, 79 (NW & SW). 

 ;s, 11. 18s. 



Ibitwall, including Sheets 24, 25, 26, 29, 30, 31, 32, & 33. 

 jiheets, 21. 5s 



I^ONSHIRF ng Sheets 20, 21, 22, 23, 24, 25, 26, 27, & 



). Sheet 



%* Th< , of the Counties of Cornwall and 



D, xS amply illustrated by Sir H. De la Beche's 

 " Report." 8vo. 145. 



GLAMonaANSHiRE, including Sheets 20, 36, 37, 41, & 42 (SE 

 &SW). Sheets, 2Z. 

 *** Horizontal Sections, 145.; Vertical, 255.; illustrate 

 this County. 



MERIONETHSHIRE, 59 (NE & SE), 60 (NW), 74 (NW, NE, 



& SW), 75 (NE & SE). 11. 45. Qd. 

 Monmouthshire, including Sheets 35, 36, 42 (SE & NE), 43 

 (SW). Sheets, IZ. 115. 

 *** Horizontal Sections, 75. ; Vertical, 55.; illustrate this 

 County. 



Montgomeryshire, 56 (NW), 59 (NE & SE), 60, 74 (SW & 



SE). ll.5s.6d. 

 Pembrokeshire, 38, 39, 40, 41, 58. 1^. 55. 

 Radnorshire, 42 (NW & NE), 56, 60 (SW & SE). ll. 05. Qd. 

 Somersetshire, 18, 19, 20, 21, 27, 35. 21. 125. 6rf. 



}6 

 >8. 



[Poole, South East of Dorset.] 6s. id. 

 [South West of Dorset.] 75. 



[Northern half of Dorset, and South-eastern part of 

 Somerset.] 125. 



Half of Somerset, and part of West Wilts,] ll5. Gd. 

 West Somerset and part of South Glamorgan.] 55. Gd. 

 W. Somerset, NE. Devon, and part of West Dorset.] 105. 

 art of SE. Devon.] 75. 

 Devon between Torbay and Start Pouit.] 35. 

 Part of South Devon and of Cornwall.] 3 s. Gd. 

 SW, Devon and East Cornwall.] 105. 

 West Devon and NE. Cornwalir] 65. 

 Part of North Devon,] 35. Gd. 

 Lundy Island,] 25, Gd. 



The North of Cornwall, showing the Coast line from 

 Hartland Quay to Cambeak.] 25. Gd. 

 pPart of Cornwall,] 75, Gd. 

 Part of Cornwall,] 75. Gd. 

 Part of Cornwall.] 3s. 

 Part of Cornwall,] 55, 



'Western Gloucester, the SE. of Monmouth, part of 

 ' North Somerset and West Wilts.] lOs. 

 [The greater part of Glamorgan on the West, and Mon- 

 mouth on the East.] 135. 

 "West Glamorgan and South Carmarthen.] 8s. 

 'South Pembroke.] 45. 

 'Small's Light, Pembroke,] 25, Gd. 

 'North Pembroke and West Carmarthen.] 8s. 

 [Most of Carmarthen, parts of North Glamorgan, South 



Cardigan, and East Pembroke.] 8s. 

 N W [West Brecknock and part of East Carmarthen.] 2s. 

 N E. [Part of East Brecknock and West Hereford.] 25. 

 SV*'. [SW of Brecknock, part of North Glamorgan and 



East Carmarthen.] 25. Gd. 

 SE. [NE. of Glamorgan and Monmouth Coalfield.] 35. 

 N W. [The Old Red Sandstone and part of the Silurian 



Strata of Woolhope.] 25. 

 N E. [Silurian District of Woolhope, vidth the Malvern 



Country as far North as the Wych.] 25. Gd. 

 SW. [The West of Dean Forest Coalfield.] 3s. 

 SE. [The greater part of Dean Forest Coalfield,] Ss. 

 NW. IPart of Warwickshire— Coventry.] 

 Part of Worcestershire.] 25. 

 "■art of Warwickshire.] 2s. 

 Part of Worcestershire.] 25. 

 .'art of Warwickshire,] 25. 

 _Part of Shropshire and Worcestershire,] Ss.4:d, 

 N W. [Part of Hereford, Worcester, and Shropshire.] Ss. 

 SW. [Part of Hereford.] 25. Gd. 

 SE, [Part of Hereford and Worcester,] 25. Gd 

 N^A/. [Part of Brecon, Cardigan, Radnor, and Mont- 

 gomery,] 25, Gd. 

 NE. [PartofRadnor,Montgomeryand Shropshire,] 25.6CZ. 

 SW. [Partof Radnor, Brecon, and Carmarthen.] Ss. 

 SE. [Part of Radnor and Hereford.] 2s. Gd. 

 NW. [Part of Cardiganshire.] Is. 

 N E. [Part of Cardiganshire^ 2s.Gd. 

 S W, [Part of Cardiganshire.] Is. Gd. 

 SE. [Part of Cardiganshire, including Lampeter to Tre- 

 garron,] 2s. 



[Part of the Coast of Cardiganshire (Cardigan) and N. 

 Pembrokeshire.] 25. Gd. 



59 NW. [Sea,] 



59 NE. [Part of Cardigan, Montgomery, and Merioneth.] 35, 

 59 SW. oea. (No Geological Colouring.) Gd. 



59 SE. [The North of Cardiganshire; part of the West of 



Montgomery and the South of Merionethshire.] Ss. 



60 NW. [Part of Montgomery and Merioneth.] 2s. Gd. 

 60 N E, [Part of Montgomery and Shropshire,] 25. Gd. 



60 SW.L Part ofCardigan, Montgomery, and Shropshire.] Ss. 



60 SE. [Part of Montgomery, Radnor, and Shropshire,] Ss. 



61 NW. [Part of Shropshire,] 2s. Gd. 



61 N E. [Part of Shropshire and Staffordshire.] Ss. 

 61 SW. [Part of ShropsWre.] Ss. 



61 SE. [Part of Shropshire.] Ss.Gd. 



62. N E. [Lichfield, part of Staffordshire.] 2s. 



62. SE. [Birmingham, part of Warwickshire.] 25. 



62 S W. [Part of Staftbrdshire, including the Coalfield.] Ss. 

 62 NW.TPart of Staffordshire, including the Coalfield.] 25. 



63. NW. [Ashby-de-la-Zouch, part of Leicestershire.] 25. 

 63. NE. [Leicester,] 25.3d. 



63. SW. [Hinckley, part of Leicestershire and Warwick- 

 shire,] 2s. 8d. 



71 NW. [Nottingham, partof Derbyshire.] 35. 

 71. SW. [Derby,] 25, 3d. 



71. SE. [Part of Nottinghamshire,] 2s. 



72 NE. [Part of North Staftbrdshire and of SW. Derby- 



shire,] Ss. Gd. 

 72 SW. [Central Part of Staffordshire.] 25. 



72 SE. [Part of Staffordshire and SW. Derbyshire.] 25, 



73 NW. [Part of Cheshire.] 2s, 8d. 



73 SW. [Part of Shropshire.] 25. 8d. 



78 SE. [Part of Shropshire and StaflPordshire,] Ss. 4d. 



74 NW. [Partof Denbigh, Merioneth, and Caernarvon.] 3s. 

 74 NE. [Part of Denbigh, Flint, Shropshire, and Merio- 

 neth,] Ss. 



74 SW. [Part of Montgomery, Denbigh, and Merioneth.] 35. 

 74 SE. [Part of Shropshire, Montgomery, and Denbigh.] Ss. 



75 NW. [Part of Caernarvon.] 

 75 NE. [Part of Caernarvon, 

 Ss. Gd. 



75 S W. [Part of Caernarvon.] 

 [Part of Merioneth.] 



Merioneth, and Denbigh.] 



Ss. Gd. 



Part of Caernarvon.T Is. 

 art of Caernarvon.] Is. Gd. 

 Part of Holyhead Island.] Is. Gd. 

 LN. part of Anglesea, and part of Holyhead Island.] 



75 SE. 



76 N. 



76 S. 



77 N. 



78 N\ 



45. 



78 N E. [E. corner of Anglesea.] 25. 



78 SW [S. of Holyhead Island and of Anglesea, with part 

 of Caernarvonshire.] Ss. Gd. 



78 SE, [Part of Anglesea' on Menai Straits, NE, of Caer- 



narvonshire, and W. of Denbighshire.] 55. Gd. 



79 N W. [Part of Flint , Denbigh, and Caernarvon.] 2y. Gd. 

 79 NE, [Part of Flint, Cheshire, and Lancashire,] 2s 



79 SW, [Part of Flint, Caernarvon, and Denbighshire, i 

 25, Gd. 



79 SE. [Part of Cheshire, Flint, and Denbigh.] Ss. Gd. 



80 SW. [Chester, part of Cheshire.] 2s. 8d. 



81 N E. Part of Derbyshire and of the West Riding of York- 



shire,] Ss. Gd. 



81 SE. [Partof Derbyshire and of N. Staffordshire.] 4s. 6d. 



82 N W. [Chesterfield, part of Derbyshire.] 2s. Gd. 

 82 SW. [Chesterfield, partof Derbyshire]. ds.Gd. 



I N.B. A new edition of the Index to the Colours and Signs employed on the Geological Survey is now published, price 55. 



