THE 
AMERICAN GEOLOGIST. 
Vol. XV. JUNE, 1895. No. 6. 
REMARKS ON DAIMONELIX, OR " DEVIL'S CORK- 
SCREW," AND ALLIED FOSSILS.* 
By Joseph T. James, M. Sc, F. G. S. A., etc., Washington, D. C. 
(Plates XI and XII,) 
In the summer of 1891, Prof. Erwin H. Barbour, of the 
University of Nebraska, Lincoln, during a visit to the " Bad 
lands " of northwestern Nebraska, obtained some specimens 
of a remarkable fossil. It had long been known to ranchmen 
as the " Devil's corkscrew," but previous to Prof. Barbour's 
visit had not been known to the scientific world. The first 
account of the fossil appeared in " Science " for February 
19, 1892, f and in this preliminary notice the name Daimonelix 
was proposed. They were gigantic and grotesque objects, 
and ever since their first notice they have been objects of 
wonder and speculation. Since his first visit. Prof. Barbour 
has twice re-visited the locality and has secured many other 
specimens. These have been diligently studied by him and, 
as a result, we have two other papers;); from his pen ; one pub- 
lished under date of July, 1892, and the other, July, 1894. 
The latter has just been distributed (March, 1895). In addi- 
tion to these papers a popular article by Mr. F. C. Kenyon 
*R('acl before tlie Biological Society of Washington, Marcli 23, 18!).^. 
fNotice of new gigantic fossils. Science, vol. xix, [)[). 99-100. 
itNotes on a new order of gigantic fossils. Universitv [of Nebr;iska] 
Studies, vol. i, no. 4. pp. 301-:j:5."), pi. (5, .Tnly, 1882. Additional notes 
on the new fossil, Bnimdjudie. Its moile of occiu-rence, its gross and 
minute structure. Ibid, vol. ii, ni). 1, pp. l-l(i, pi. 12, .July, 1894. 
