314 E. H. BARBOUR — NATURE AND PHYLOGENY OF DAEMONELIX. 



Nature, Structure, and Phylogeny of Daemonelix: Bulletin of the Geological Society 

 of America, vol. 8, 1S96, pp. 305-314, 9 plates. (Head before the Society Decem- 

 ber 31, 1896.) 



History of the Discovery and Report of Progress made in the Study of Daemonelix : 

 University Studies, The University of Nebraska, vol. ii, no. 2, January, 1897. 



Notes on the chemical Composition of the silicious Tubes of the Devil's Corkscrew, 

 Daemonelix. Thomas Herbert Marsland : University Studies, The University of 

 Nebraska, vol. ii, no. 2, January, 1897. 



Remarks on Daemonelix or " Devil's Corkscrews," and allied Fossils. Joseph T. 

 James: American Geologist, vol. xv, no. 6, June, 1895, pp. 337-342, plate xi 

 (7 figures), plate xii (3 figures), and 1 figure. 



Ueber die Natur von Daemonelix, Barbour: Annalen k. k. Naturhistoriehen Hof- 

 museums, Wein, 1893, pp. 91 to 94, by Dr Theodore Fuchs. 



A supposed new Order of gigantic Fossils from Nebraska. E. D. Cope : American 

 Naturalist, June, 1893. 



In the Region of the new Fossil, Daemonelix. Frederick C. Kenyon : American 

 Naturalist, March, 1895, 14 pp. , 1 cut, 1 plate. 



