+ 1 ee Fil ee: 
524 SOR 
Sorby (Henry Clifton). On the excavation of 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.) 8vo. Edinburgh, 1851. 
——. On the contorted strata of the Drift of the Coast of Yorkshire. 
(Tract. ) 8vo. Leeds, 1852. 
-——. On the microscopical structure of the Calcareous Grit 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 Rocks. (Tract.) 8vo. Sheffield, 1854. 
——. On the motions of Waves, as illustrating the 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 Geography of the Old-Red-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.) 
Svo. 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 laction prolongée de la chaleur et de l'eau sur différentes 
substances. (Tract.) 8vo. Paris, 1860. 
——. Sur [application du microscope a l'étude de la géologie physique. 
(‘Tract. ) Svo. Paris, 1860. 
——. On the organic origin of the so-called “Crystalloids” of the 
Chalk. (Tract.) 2 copies. Svo. London, 1861. 
——. On impressed Limestone Pebbles, as illustrating a new principle 
in Chemical Geology. (Tract.) 7 Svo. 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 [Royal Microscopical 
Society], 1877. (‘Tract.) Svo. London, 1877. 
——. On the Colouring-matters found in the Human Hair. (Tract. 
8vo. London, 1878. 
——. The President’s Address [to the Royal 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. 8yvo. London, 1880. | 
—. Honorary Degree of LL.D. Cantab. conferred upon him. See | 
CamsBripaE. Speeches... by the Public Orator. 1879, : 
Soret (Louis). See Favre (Alphonse). 


