C. Sevbicke del. 
Lith. Anst. v. J. G. Hach, Leipzig. 
'.V. 
1. Stigmaria undulata Goepp. 2. Sagenaria rimosa Stemb. sp. (Wurzel.) 3. Sigillaria di st ans Geill. 4 — 8. Equisetites 
infundibuliformis BrongH. 9. Equisetites priscus Geill. 
