BULL. GEOL. SOC. AM. 



VOL. 8, 1896, PL. 36 



Figure 33.- Characteristic surface Structure of Daemonelix (natural size) 



Figure 34.— Portion of Rhizome of Daemonelix regular 



This piece is from near the base of the spiral, and shows characteristic fibrous structure and 

 corrugations. Specimen is in National Museum. 



SURFACE STRUCTURE AND RHIZOME OF DAEMONELIX 



