Geology — Non-Serials. 
99 
Eldridge, G. H. The Florence Oil Field, Colorado. 1891. 
Read before Amer. Inst, of Mining Engineers, Oct., 1891. 
_On Certain Peculiar Structural Features in the Foot-Hill 
Region of the Rocky Mountains, near Denver, Cob 
Bulletin Phil. Soc. Washington, vol. XI, 1890. pp. 
248-274. 
-A Preliminary Sketch of the Phosphates of Florida. Read 
before Amer. Inst, of Mining Engineers, 1892. 
Fegraens, T. Om de Losa Jordaflagringarna i nagra af Nors- 
lands Elfdalar. Stockholm, 1890. 
Felix, J. Untersuchung uber fossile Holzer, Zeitsch. d. 
Deutsch. geolog. Gesellschaft, vol. XXXIX, pp. 517- 
528, mit Tafel XXV. 
-—— Beitrage zur Kenntniss der Gattung Protosphyrsena Leida. 
Zeitschrift der deutschen geolog. Gesellshaft, vol. XLII, 
pp. 278-302, mit Tafeln XII-XIV. 
-Die fossilen Holzer Westindiens. Sammlung paleontolo- 
gische Abhandlungen, Series I, Heft 1, 1883. 
Felix, J. and Lenk, H. Beitrage zur Geologie u. Paleontologie 
der Republik Mexico. Stuttgart (E. Koch), 1891. 
Foshay, P. Max and Hice, R. R. Glacial Grooves at the South¬ 
ern Margin of the Drift. Bull. Geol. Soc. of Amer., 
vol. II, pp. 457-464, pi. 18. ' 
- Newly Discovered Glacial Phenomena in the Beaver Val¬ 
ley. Amer. Naturalist, 1890, pp, 816-818. 
Frazer, P. Archaean-Palseozoic Contact near Philadelphia, 
Penn. Proc. Amer. Assoc, for Advancement of Sci¬ 
ence. vol. XXXIII, 1884, pp. 1-5. 
-Petrefactenfunde im Rothliegenden. Neues Jahrbuch fur 
Mineralogie, 1889. Bd. II, pp. 193-4. 
- Ueber die rothen und bunten Mergel der oberen Dyas bei 
Manchester. Abh. der Gesellschaft “Isis” in Dresden,. 
1889, Abh. Ill, pp. 1-10, 14-21. ' 
ii— 8Ap. 
