360 NEW TO'RK STATE MUSEIUM 



Devonian. Clarke. The Hercynian Question. Geol. rep. 8 (for 1888) 1889. 



p.62-91. Some, Mus. rep. 42 (for 1888) 1889. p.408-37. 

 Clarke. Devonlc Age of the Helderbergian Fauna and the Base of the 



Devonic System in New York. Mus. mem. 3. 1900. p.82-98. Same, 



Mus. rep. 53 (for 1899) 1901. 2:82-98. 

 Clarke. Value of Amnigenia as an Indicator of Freshwater Deposits 



during the Devonlc of New York, Ireland and the Rhineland. Mus. 



bul. 49. 1901. p.199-203. pl.ll. 

 Clarke. Indigene and Alien Faunas of the New York Devonic. Mus. 



bul. 52. 1902. p.e64-72. 

 Clarke & Schuchert Devonic. See New York series. 

 Conrad. Old Red Sandstone or Devonian System. Pal. rep. (for 1840) 



1841. p.41-42. 

 Emmons. The Upper Rocks of New York Equivalent to the Devonian 



System of England and the Continent. Ag. N. Y. 1846. 1:198-99. 

 Hall. Line of Demarcation between Silurian and Devonian. Pal. N. Y. 



1859. 3:42. 



Hall. Flora of the Devonian Period. Mus. rep. 16 (for 1862) 1863. 



p.92-117. illus. 4pl. 

 Hall & Whitfield. Descriptions of New Species of Fossils from the De- 

 vonian Rocks of Iowa. Mus. rep. 23 (for 1869) 1873. p.223-39. pl.9-12. 

 Hall & Whitfield. Notice of Three New Species of Fossil Shells from 



the Devonian of Ohio. Mus. rep. 23 (for 1869) 1873. p.240-41. 

 Hall. Illustrations of Devonian Fossils. 1876. 

 Merrill. Dievonian System. Mus. bul. 19. 1898. p.158-65. Same, Mus. rep. 



51 (for 1897) 1899. 1:158-65. 

 Merrill. Life of the Devonian. Mus. bul. 19. 1898. p. 165. Sams Mus. 



rep. 51 (for 1897) 1899. 1:165. 

 Prosser. The Devonian Section of Central New York along the Unadilla 



River. Geol. rep. 12 (for 1892) 1893. p.110-42. Sams, Mus. rep. 46 (for 



1892) 1893. p.2e6-88. 



See also New York series; Old red sandstone; aZso names of subdivis- 

 ions; also names of classes of fossils, i. e. Brachiopoda, Corals, Crus- 

 tacea, etc. 



Devonian shales, see Shales. 



Devonic. Clarke & Schuchert Devonic. See New York series. 

 Diabase, see Trap. 



IHamond. Whltlock. Diamond. Mus. bul. 58. 1902. p.47. 

 Diatomaceous earth, see Infusorial earth. 

 Dictyospon^dae, see Spongiae. 



Dikes. Cushing. Dike Rocks of Clinton County. Geol. rep. 15 (for 1895) 

 1897. p.515-73. Same, Mus. rep. 49 (for 1895) 1898. 2:515-73. 

 Geol. rep. 19 (for 1899) 1900. p.r61. Sams, Mus. rep. 53 (for 



1899) 1901. I:r61. 



Cushing. Pre-Cambrian Dikes of Adirondacks. Geol. rep. 16 (for 1896) 

 1899. p.12-13. Same, Mus. rep. 50 (for 1896) 1899. 2:12-13. 



Cushing. Dikes of Franklin County. Geol. rep. 18 (for 1898) 1899. p.ll7- 

 22. Same, Mus. rep. 52 (for 1898) 1900. 2:117-22. 



Geol. rep. 20 (for 1900) 1902. p.r23-82. Same, Mus. rep. 54 (for 



1900) 1902. l:r23-82 (various page references). 



Cushing. Diabase Dikes at Little Falls. Geol. rep. 20 (for 1900) 1902. 

 p.r93. Sams, Mus. rep. 54 (for 1900) 1902. I:r93. 



Emmons. Phenomena of Dykes. Geol. rep. 2d dist. (for 1837) 1838. 

 p.225-26. 



Emmons. Direction of Dykes, Veins, etc. Geol. rep. 2d dist. (for 1838) 

 1839. p.238. 



