INDEX. 
ACR 
ACROD US and Hybodus, species 
of, 57 
Acrodus Anningia, 57 
Adams, L., on the bone-caverns and 
. fossil elephant of Malta, 95, 140 
Adhemar on periodical deluges, 179 
Aerolites, 96, 142, 192, 240 
Africa, schists and quartz rocks of 
Southern, 232 
Alberti, F. von, on the Trias, 167 
Alderley Edge, copper-bearing rocks of, 
65 
Alps, conformation of the, 270; Dolo- 
mite mountains of the, 38; Trias of 
the, 168 
Anorthosite of the Laurentian Forma- 
tion, 156 
Ansted, D. T., on rainless districts, 139 
Antigua, geology of, 97 
Antrim, lignite of, 215 
Antwerp Crag, fossil Cetaceans from 
the, 43 
Archeopteryx, 55, 72 
Archiac, A. d’, on Paleontology, 78 
Artesian wells in the Sahara, 31 
Aspects of geology, 1 
Aust, Lias and Kheetic beds at, 188 
Avicula-contorta-zone, 42, 257, 290 
Avizana, meteoric iron from, 192 
ABINET on the density of the earth, 
Wh oo, 
Baculite-beds of NW. Bohemia, 206 
Baily, W.H., on fish-remains from Por- 
tishead, 293 
Ball’s, J., Alpine Guide, 173 
Balta-alba, a salt lake in Roumania, 
122 
Banded flint, 145 
Bath, mineral waters of, 219, 230 
VOL. lL NOs. Vile 
BRI 
Bayfield, T. G., on the discovery of 
Leiodon near Norwich, 296 
Beckford, fossiliferous Drift at, 91 
Belemnoziphius compressus, 48 
Belfasit Field-naturalists’ Club, 90, 187, 
215 
Belgium, mineral springs in, 75 
Belt, T., on the formation of lakes by 
ice-action, 87 
Bernberg, fossils found near, 165 
Berwickshire Naturalists’ Club, 45, 88, 
129 
Berzaska, coal of, 192 
Bigsby, J. J., on the Laurentian Forma- 
tion, 154, 200 
Birds and Reptiles, relations of, 55 
Birds, fossil, 71 
Bischoff on carbonic acid in the interior 
of the earth, 220; on Thallium in 
pyrolusite, 76 
Bitumen of Roumania, 121 
Bohemia, Baculite-beds of NW., 206 ; 
Geological Survey of, 279 
Bone-bed at Aust, 189; at Penarth, 
236; in Dorset, 259 
Bone-eave at Bruniquel, 137; in Malta, 
140 
Bos frontosus, 296 
Boucher de Perthes’ discovery of human 
bones at Moulin-Quignon, 123 
Boulder-clay in Devon, 86; in Shrop- 
shire, 295; divisions of the, 294 
Brachiopods, Devonian, 76 
Brady, G. 8., on Brackish-water Ani- 
mals and Plants, 130 
Brady, H. B., on Involutina liassica, 193; 
on the Foraminifera of the Lias, 236 
Brazil, coal in, 132 
Brick-earth of Ilford, 245 
Bridlington Crag, 49, 142, 246 
Bristol Naturalists’ Society, 91, 131,188 
