524 



SOE 



Sorby (Henry Clifton). On the excavation o£ the Valleys in the Tabular 



Hills, as shown by the configuration of Yedmandale, near Scarbro'. 



(Tract.) 2 copies. 8vo. Leeds, 1850. 



. On the tetramorphism of Carbon. (Tract.) Syo. EdinhurgJi,lS51. 



. On the contorted strata of the Drift of the Coast of Yorkshire. 



(Tract.) 8vo. Leeds, 1852. 

 . On the microscopical structure of the Calcareous G-rit of the 



Yorkshire coast. (Tract.) 8vo. Leeds, 1852, 

 . On the occurrence of non-gymnospermous exogenous wood in 



the Lias near Bristol. (Tract.) 8vo. London, 1852. 



. On the origin of Slaty Cleavage. (Tract.) 8vo. Edinburgh, 1853. 



. "Wave- structures of Stratified Eocks. (Tract.) 8vo. Sheffield, 1854. 



. On the motions of Waves, as illustrating th() structure and 



' formation of stratified rocks. (Tract.) 8vo. Leeds, 1855. 

 . On Slaty Cleavage, as exhibited in the Devonian Limestones of 



Devonshire. (Tract.) 8vo. London, 1856. 

 . On the Physical Q-eography of the Old-Eed-Sandstone Sea of 



the Central district of Scotland. (Tract.) 8vo. Edinburgh, 1856. 

 . On the Terraces in the Valley of the Tay, north of Dunkeld. 



(Tract.) " 8vo. Edinburgh, 1856. 



. On the Theory of the Origin of Slaty Cleavage. (Tract.) 



8vo. London, 1856. 



. On the Physical Geography of the Tertiary Estuary of the Isle 



of Wight. (Tract.) 8vo. Edinburgh, 1857. 

 . On the microscopical structure of Crystals, indicating the origin 



of minerals and rocks. (Tract.) 8vo. London, 1858. 

 . De Taction prolongee de la chaleur et de I'eau sur differentes 



substances. (Tract.) 8vo. Paris, 1860. 

 . Sur I'application du microscope a I'etude de la geologie physique. 



(Tract.) 8vo. Paris, 1860. 

 . On the organic origin of the so-called " Crystalloids " of the 



Chalk. (Tract.) 2 copies. 8vo. London, 1861. 

 . On impressed Limestone Pebbles, as illustrating a new principle 



in Chemical Geology. (Tract.) 8vo. Leeds'^., 1865. 

 . On a definite method of Qualitative Analysis of Animal and 



Vegetable Colouring-matters by means of the Spectrum Microscope. 



(Tract.) 8vo. London, 1867. 

 . Anniversary Address of the President [Eoyal Microscopical 



Society], 1877. (Tract.) 8vo. London, 1877. 



. On the Colouring-matters found in the Human Hair. (Tract.) 



8vo. London, 1878. 



. The President's Address [to the Eoyal Microscopical Society], 



1878. (Tract.) 8vo. London, 1878. 



— — . Address delivered at the Anniversary Meeting of the Geological 

 Society, 1879. . . . With a privately published Appendix of 

 18 Plates, with accompanying description. (Tract.) 



8vo. London, 1879. 



. , 1880. 8vo. London, 1880. 



. Honorary Degree of LL.D. Cantab, conferred upon him. See 



Cambridge. Speeches ... by the Public Orator, 1879, 

 Soret (Louis). See Tavee (Alphonse), 



