Vol. 50.] ADDITIONS TO THE LIBRARY. 247 



Hettner, A. Regenverteilung, Pflanzendecke und Besiedelung der 

 tropischen Anden. (F. Fr. von Richthofen, Festschrift, 197.) 

 8vo. Berlin, 1893. Purchased. 



Hicks, Henry. Further Proofs of the Pre-Camhrian Age of certain 

 Granitoid, Felsitic, and other Rocks in N.W. Pembrokeshire. 

 8vo. London, 1886. 



On the Ffynnon Beuno and Cae Gwyn Caves. 8vo. London, 



1886. 



— . Results of recent Researches in some Bone-caves in North 

 Wales (Ffynnon Beuno and Cae Grwyn). 8vo. London, 1886. 



The Cambrian Rocks of North America. 8vo, London, 



1887. 



— . The Faunas of the Ffynnon Beuno Caves and of the Norfolk 

 Forest Bed. 8vo. London, 1887. 



La Geologie du Nord du Pays de Galles. 8vo. London, 



1888. 



On the Cae Gwyn Cave, North Wales. 8vo. London, 



1888. 



— . Pre-historic Man in Britain. 8vo. Hertford, 1889. 



— . On Pre-Cambrian Rocks occurring as Fragments in the 

 Cambrian Conglomerates in Britain. 8vo. London, 1890. 



— . The Effects produced by Earth-movements on Pre-Cambrian 

 and Lower Palseozoic Rocks in some Sections in Wales and 

 Shropshire. 8vo. London, 1890. 



— . The Rocks of St. Davids. 8vo. London, 1890. 



— . On some Recently Exposed Sections in the Glacial Deposits 

 at Hendon. 8vo. London, 1891. 



— . Excursion to Henley and Finchley. 8vo. London, 1892. 



— . Fauna of the Olenellus-Zone in Wales. 8vo. London^ 



1892. 



. On the Discovery of Mammoth and other Remains in 



Endsleigh Street, and on Sections exposed in Endsleigh Gardens, 

 Gordon Street, Gordon Square, and Tavistock Square, London. 

 8vo. London, 1892. 



On the "Grampian Series" (Pre-Cambrian Rocks) of the 



Central Highlands. 8vo. London, 1892. 



Some Examples of Folds and Faults in the Devonian Rocks 



at and near Ilfracombe, North Devon. 8vo. London, 1893. 

 — . The Pre-Cambrian Rocks of Wales. 8vo. London, 1893. 



vol. l. t 



