Pror/ress in the Stndij of Diemonelix 5 



All forms are constant in that they are made up of a tangle, 

 or aggregate, or colony of plant filaments, which in section 

 show an identical structui"e. 



Though we were impressed at the outset by size and sym- 

 metry, maturer study showed us humbler forms and less regal 

 designs, which, nevertheless, were fraught with equal or 

 greater interest and significance. Accordingly, in the light 

 of present progress in the work of investigation, it would be 

 in line with the logical order of things to survey the group 

 from the lower or simpler forms up to the more complex. 



In this paper no attempt will be made, as iu a former one, 

 to designate various forms by tentative names, but, until such 

 time as their exact nature and aSinities can be worked out, 

 they will simply be called by the familiar, common-place desig- 

 nations bestowed upon them as they were dug out by the stu- 

 dents of my party. 



THE SIMPLEST FORM OF DAEMONELIX A FIBRE. 



The simplest expression of Daemonelix, as it seems to me, is 

 to be found in the tubules seen threading their way in all di- 

 rections through the sand rock. (Plate I., Fig 2.) Often deli- 

 cate tracings of these are found on the fossils of the region. 

 (Plate I., Figs 1, 3, 4, 5.) 



Fig 2. 

 Fig. 2. — A Daemonelix " Fibre " found growing on the tibia of a 

 Rhinoceros. This is a hollow branching tubule, such as is found grow- 

 ing to and around bones and through the sand rock; found in the low- 

 est beds througii to the highest, and supposed to be the simplest form 

 of the Daemonelix series. Reduced one-half. 



This tubule may consist of a fibre; or this by branclyjjg 

 may have dimensions in two directions, and thus veil the fossil 

 with its meshes. Or, again, it may have growth in three di- 



85 



