202 SCIENCE PROGRESS. 



Ueber das Schiefergebirge, etc., der Gegend von Berggiess- 

 hlibel, etc. Ber. d. Naturf. Ges. Leipzig, 1890. Ueber 

 Amphibolitisirung von Diabasgesteinen im Contact-bereiche 

 von Graniten. Zeits. d. deutsch. geol. Ges., vol. xliii., pp. 

 257-263, 1 89 1. And especially Die Contacthofe der Granite 

 und Syenite im Schiefergebiete des Elbthalgebirges. 

 Tschermak's Miner. 11. Petrog. Mitth. (2), vol. xiv., pp. 290- 

 342, 1893. 



(7) KlKUCHI, YASUSHI. On Cordierite as a Contact Mineral. 



Jour. Coll. Sci. Imp. Univ. Japan {Tokyo), vol. iii., pp. 313- 



334, 1890. 



(8) Harker, Alfred. Cordierite in the Lake District. Geol. 



Mag, pp. 169, 170, 1894. 



(9) HUTCHINGS, W. Maynard. Notes on the Composition of 



Clays, Slates, etc., and on some Points in their Contact Meta- 

 morphism. Geol. Mag., pp. 36-45, 64-75, 1894. 



(10) BECK, RICHARD. Ueber Brookit als Contactmineral. Neu 



Jahrb.Jilr Min., etc., vol. i., p. 159, 1892. 



(11) ROSENBUSCH, H. Zur Auffassung der Chemischer Natur des 



Grundgebirges. Tscherm. Miner. Petr. Mitth. (2), vol. xii., 

 pp. 49-61, 1891. 



(12) HORNE, J. On the Contact Metamorphism of the Radiolarian 



Chert in the Lower Silurian Rocks along the Margin of the 

 Loch Doon Granite. Report Brit. Assoc., for 1892, p. 712. 



(13) Williams, J. Francis. The Igneous Rocks of Arkansas. 



Ann. Rep. Geol. Snrv. Ark., for 1890, vol. ii., Little Rock, 

 1 891. 



(14) BONNEV, T. G. The Effects of Pressure on Crystalline Lime- 



stones. Geol. Mag., pp. 483-486, 1889. 



(15) SOLLAS and COLE. The Origin of Certain Marbles: a Sug- 



gestion. Sci. Proc. Roy. Dnbl. Soc. (2), vol. vii., pp. 124-126, 

 1891. 



(16) Brogger, W. C, and BACKSTROM, H. Die Mineralien der 



Granatgruppe. Zeits. fiir Kryst., vol. xviii., pp. 209-276, 

 1890. 



(17) LACROIX, A. Sur les modifications mineralogiques effectuees 



par la lherzolite sur les calcaires du jurassique inferieur de 

 l'Ariege. Comptes Rendus, vol. cxv., pp. 974-976, 1892. 



(18) LackOIX, A. Sur la syenite eMolithique de Montreal 



(Canada) et sur les modifications de - contact endomorphes 

 et exomorphes de cette roche. Comptes Rendus, vol. ex., 

 pp. 1 1 52-1 154, 1890. 



Alfred Harker. 



