MAPS AND SECTIONS. 315 



Sheets 58, 59. Vertical Section of the Coal Measures of the South 

 Wales liasin from Glyncorrwg Fault to Pembroy Bar Fault, on the 

 North Crop. Showing Relative Position and Average Thickness of each 

 Coal Seam. Arranged from the Sections and Tables as supplied by H. H. 

 Vivian to the Report of the Royal Coal Commission, 1871. 



Sheet 60. Sections of the NorthumberJand Coal Field (Western 

 District). By D. Burns. 



Sheet 61. West Lancashire Coalfield. Sections of Shafts sunk in 

 the Middle Coal Measures of Prescot, St. Helen's, Wigan, and Burnley. 

 By C. E. De Ranee and A. Strahan. H. B. W. 



Halle. Bodenkarte des Erd- oder Schwemm- und des Felslandes der 

 Umgcgend von. By Rudolf von Benningsen-Forder. 4 sheets. 

 Berlin. 



Heranlt. Carte Geologique et Mincralogiquc du Departement do 

 I'Herault. Scale 1 : 80,000. By Prof. Paul de Rouville. 4 sheets. 

 Montpellier. 



Arrondissement de Lodhve. — 28 divisions arc shovrn, from recent 

 alluvium, tuff and drift-deposits, through various Secondary formations, 

 to Coal Measures and Palaeozoic rocks, besides granite, porphyry, and 

 basalt, mineral veins, &c. 



Arrondissement de St. Pons. — 19 divisions : alluvium, drift, Tertiary 

 beds, Secondary formations, Devonian, Silurian, pegmatites and mica- 

 schists, gneiss, and granite, mineral veins, &c. 



Arrondissement de Beziers (this sheet is partly by E. Dumas). — 38 

 divisions, from alluvium to Silurian, granite, porphyry, volcanic rocks, 

 veins, &c. 



Arrondissement de Montpellier. — 27 divisions, from alluvium to Lias, 

 basalt, &c. W. W. 



Ireland. 5 Sheets of the Geological Survey Map. Scale an inch to 

 a mile. 



Sheet 53. Part of Co. Mayo (part of Ballina, Ballycastle, Inishcrono, 

 Killala). Includes a portion of Killala Bay. By R. G. Symes. For- 

 mations : — Blown Sand ; Peat Bog ; Alluvium ; Drift ; Carboniferous 

 (L. Limestone, oolitic at base ; L. Carboniferous Sandstone) ; Dolcrite ; 

 Felstonc. The igneous rocks are sparingly represented. Glacial 

 markings arc shown. 



Sheet 60. Parts of Cos. Down, Armagh, and Louth (Castlewellan, 

 Hilltown, Newry, Rathfriland, Bryansford). Includes part of the 

 Moume Mountains. By W. A. Traill. Formations : — Bog ; Alluvium ; 

 Estuarinc deposits and Raised Beach ; Drift ; L. Silurian (Bala Beds) ; 

 Altered L. Silurian ; Basalt, Dolcrite, Melaphyro, and Diabase Dykes ; 

 Diorite ; Elvanite ; Felstone and Porphyrite ; Granite ; El van Dykes ; 

 Pitchstone. Many glacial markings indicated. 



Sheet 67. Parts of Cavan, Lcitrim, and Roscommon (Ballinamore, 

 Carrick-on-Shannon, Cloone, Drumshambo, I>eitrim). Includes por- 



