MAPS AKD SECnOlfS. 347 



Grit, Coal Measures, Intrusive Felstones and Basaltic rocks, Agglomerate 

 Nocks, Boulder Clay, Gravel, Peat, Alluvium. Outcrops of limestones 

 in the Carboniferous Limestone Series. Falls of the Clyde in Old Red 

 Sandstone. B. L. J. 



Lancashire. 4 Sheets of the Map of the Geological Survey (England). 

 Scale 6 inches to a mile. 



Sheet 47. By 11. H. Tiddeman-. (Clitheroe, Chatburn, Downham.) 

 The beds shown are Alluvium, lliver Terrace, Glacial Drift, Permian, 

 Yoredale Rocks (in 5 divisions), and Carboniferous Limestone. A few 

 faults and mineral veins are marked. 



Sheet 55. By E. Hull and 11. H. TiDDEiiAN. ("Whalley, Sabden, 

 Padiham.) The beds shown are Alluvium, U. and L. Boulder Clays, 

 with sand and gravel between, M. and L. Coal Measures, Millstone 

 Grit (in 7 divisions of grits and shales), and Yoredale llocks (in 7 

 divisions of shales, grits, and limestone). Some coal-crops, faults, and 

 a lead- vein are marked. 



Sheet 62. New Edition. 



Sheet 63. New Edition. "With additions by C. E. Be Range. 

 (Accrington, &c.) Various divisions of the Carboniferous Rocks 



London and its Environs. Geological-Survey Map. Scale an inch 



to a mile. New Edition, with Drift. By H. W. Bristow, W, 



"WniTAKER, T. R. PoLWHELE, W. B. Dawkins, W. H. Peiining, 



H. B. Woodward, E. J". Bennett, W. A. E. Ussher, J. H. Blaze, 



and C. E. Hawkins. 



Includes the valley of the Thames from "Windsor to Gravesend. 



"Was published previously without the Drift-beds, which are now added 



(many divisions). An electrotype from 7 separate plates, combined so 



as to get London in the centre. "W. W. 



New Zealand. Geological Sketch Map. By Dr. James Hector.- 

 Constructed from Official Surveys and the Explorations of Dr. F. 

 V. Hochstetter, Dr. J. Haast, and others. "Wellington, 1873 (but 

 not published until 1874). Scale 1 : 2,000,000 (about 33*31 miles 

 to an inch). "With 7 Explanatory Sections, and a Table of the 

 Estimated Area and Surface Characteristics of the Principal For- 

 mations. 

 The formations shown are Recent Drift Formation, Marine Ter- 

 tiary (Pliocene to Cretaceous), Coal Formation (Miocene to Cretaceous), 

 U. Mesozoio (Jurassic), L. Mcsozoic (Triassic), U. Paleozoic, Mcta- 

 morphic Rocks (Foliated Schists and Crystalline), Igneous Rocks (Acidic, 

 Basic, and Plutonic). Gold- workings and metalliferous lodes and veins 

 are marked. This map is compiled from the work of the Geological 

 Survey under Dr. Hector. \V. W. 



Northumberland. Sheet 102 of the Map of the Geological Survey. 

 Scale 6 inches to a mile. By D. Burns. Allendale Town, Catton. 



