746 



GENERAL INDEX. 



Lava, eucrite, from Thjorsa in Ice- 

 land, analysis of, 498. 



Leaf-beds and gravels of Ardtun, Car- 

 saig, &e. in Mull, 270. 



Leeds, Mr. A., of Eyebury, North- 

 amptonshire, Mr. Hulke on Dino- 

 saurian remains in the collection of, 

 693. 



Leicestershire Coal-field, evidence 

 from the, as to the formation of 

 coal-seams, 671. 



Leiocidaris, sp., 412. 



Lepralia bistata, 62. 



foraminigera, 62. 



imbellis, 60. 



longipora, 61. 



Poissonii, 59. 



rectilineata, 60. 



■ rostrigera, 61. 



semiluna, var. simplex, 62. 



Les Autelets, Sark, 325. 



Les Praises, 243. 



Leucite rock of Pinhalzinho, 463, 464. 

 Lias, Mr. E. A. Walford on some 



Polyzoa from the, 632. 

 Lichenopora cljpeiformis, 345. 



Houldsworthi, 347. 



wanganuiensis, 346. 



Liesberg, 233, 234 ; section in quarry 



near, 234. 

 Limestones, fragments of, in the Essex 



drifts, 361. 

 Lion rock, Rotomahana, 167. 

 Llandulas, caves at, 104. 

 Lockley Park, section through, 388. 

 Locle, 245, 247, 248. 

 Locmaria, 303. 

 Loges, 244. 



London Basin, Bagshot beds of the, 

 374. 



clay and Bagshot beds of Alder- 

 shot, 431 ; table of borings in the, 

 441. 



Longbury Hill, section on, 643. 



Lovenia Eorbesi, 424. 



Lower Calcareous Grit, 258, 259. 



Lunulites petaloides, 70. 



Lydd, well-boring at, 204. 



Lydekker, Mr. P., the Cetacea of the 



Suffolk Crag, 1. 

 , description of a jaw of Hyothe- 



rium from the Pliocene of India, 19. 

 , on certain Dinosaurian vertebras 



from the Cretaceous of India and 



the Isle of Wight, 156. 

 , on a molar of a Pliocene type of 



Equus from Nubia, 161. 

 Lyell Geological Eund, award of the, 



to the Pev. O. Eisher, Proc. 35. 

 . Medal, award of the, to Mr. S. 



Allport, Proc. 34. 



Lyons, Mr. H. G., on the London Clay 

 and Bagshot beds of Aldershot, 431. 



Macclesfield, fossils of the drift of, 90, 

 93-97. 



Malcolm's Point, Carsaig, basalts, 

 gravels, and leaf-beds of, 281 ; sec- 

 tion of lower part of cliff at, 282. 



Malvern axis, classification of crystal- 

 line rocks of the, 484. 



Hills, distinction between crys- 

 talline rocks of northern and 

 southern portions of the, 482 ; rocks 

 of the, 481, 489-512 ; age of the 

 rocks of the, 534 ; crystalline schists 

 of the, 525. 



Range, plans and section of the y 



488 ; classification of the rocks of 

 the, 505-507 ; history of the, 507- 

 509. 



Man, the Glacial Period with reference 

 to the Antiquity of, 393. 



, Preglacial, 406, 407; probable 



date of, 407. 



Mantiqueira Range, occurrence of 

 foyaite in the, 457. 



Map, contour-, of part of the South 

 Downs, 366 ; of the North Island 

 of New Zealand, 178 ; of the country 

 round Tarawera Volcano after the 

 eruption of 10th June, 1886, 180 ; 

 of Sark and the neighbouring islets, 

 323; of parts of the Provinces of 

 Pio de Janeiro, Sao Paulo, and 

 Minas Geraes, 458; of the Caldas 

 region, 470 ; of the outcrop of Cre- 

 taceous rocks in West Suffolk and 

 Norfolk, 546 ; of the southern por- 

 tion of the Wealden area, 650 ; of 

 part of South Devon, 716. 



Maretia anomala, 422. 



Marham, Melbourn Rock at, 567, 568. 



Marham Hill, glauconitic marl in 

 watercourse at, 558. 



Marine deposits of Wales, Cheshire, 

 and Lancashire, 87. 



erosion of the South Downs, 



364. 



Martin, Mr. J., the Terraces of Roto- 



mahana, 165. 

 Maryland, Glyphastrcea Forbesi, Ed. 



& H., from the Tertiaries of, 24. 

 Materials, derived, in the Bagshot 



beds, 378. 

 Megalaster compressus, 422. 

 Megaptera affinis, 11. 

 — — — minuta, 11. 



Melbourn Rock, range of, 564-570 ; 

 fossils of the, in West Suffolk and 

 Norfolk, 580; minute structure of 

 the, in West Suffolk and Norfolk, 



