Puhlications of Scientific Societies. 95 



The geometrical form of volcanic cones and elastic limit of 

 lava; by George F. Becker. Am. Jour. Sci., 3d ser., vol. 

 30, 1885, pp. 283-293. 



Cretaceous metamorphic rocks of California; by George F. 

 Becker. Am. Jour. Sci., 3d ser., vol. 31, 1886, pp. 348-357. 



A Post Tertiary elevation of the Sierra Nevada, shown by the 

 river-beds ; by Joseph Le Conte. Am. Jour. Sci., 3d ser., 

 vol. 32, 1886, pp. 167-181. 



The texture of massive rocks; by George F. Becker. Am. 

 Jour. Sci., 3d ser., vol. 33, 1887, pp. 50-58. (Abstract 

 from Popular Science Monthh% vol. 31, 1887, pp. 425- 

 426.) 



Discusses the relation of texture in igneous rocks to the conditions 

 under which they were cooled, etc. The author also restates his con- 

 clusions in regard to the disputed age and relations of the Washoe 

 rocks. 



The latest volcanic eruption in northern California, and its 

 peculiar lava; by J. S. Diller. Am. Jour. Sci., 3d ser., 

 vol. 33, 1887, pp. 45-50. 



Notes on the geology of northern California; by J. S. Diller. 

 (Abstract of paper from the Proc. Phil. Soc. of Washing- 

 ton.) Am. Jour. Sci., 3d ser., vol. 33, 1887, pp. 152-153. 



The flora of the coast islands of California, in relation to recent 

 changes of physical geography ; by Joseph Le Conte. Am. 

 Jour. Sci., 3d ser., vol. 34, 1887, pp. 457-460. See also 

 Cal. Acad. Sci. Bull., vol. 2, 1887, pp. 515-520; Am. 

 Geol., vol. 1, 1888, pp. 76-81; Nature, vol. 37, 1887, p. 358. 



A discussion of the Post Tertiary physical changes of the coast 

 region of California, as indicated by the flora and fauna of the coast 

 islands. 



Notice of a new fossil Sirenian from California; by 0. C. 

 Marsh. Am. Jour. Sci., 3d ser., vol. 35, 1888, pp. 94-96. 



On the occurrence of Hanksite in California; by Henry G. 

 Hanks. Am. Jour. Sci., 3d ser., vol. 37, 1889, pp. 63-66. 



