182 BIBLIOGRAPHY. 



linger, P. (45). Synopsis Plantarum fossilium. Lipsese, 1845. 



(47). Chloris Protogsea. Leipzig, 1847. 



^ (50). Genera et species plantarum fossilium. Vindobonas, 



1850. 

 Yelenovsky, J. (85). Die Gymnospermen der bohmischen Kreide- 



formation. Prague, 1885. 

 Ward, L. F. (94). Fossil Cycadean Trunks of North America, with 



a Revision of the genus Cycadeoidea, Buckland. Proc. Biol. 



Soc. Washington, vol. ix. p. 75. 



(95). The Potomac Formation. Ann. Bep. Oeol. Surv. xv. 



(96). Some Analogies in the Lower Cretaceous of Europe and 



America. Ann. Rep. U.S. Oeol. Surv. 1896. 

 (00). Status of the Older Mesozoic Floras of the United States. 



U.S. Oeol. Surv. 1900. 

 (00'). Description of a new genus and twenty new species of 



Fossil Cycadean Trunks from the Jurassic of Wyoming. 



Proc. Washington Acad. Sci. vol. i. p. 253. 

 Weiss, E. (86). Ueber eine Buntsandstein Sigillaria und deren 



nachste Verwandte. Jahrb. k. preuss. Oeol. Landes. 1885. 

 ^Id, 0. (91). The Inferior Oolite of the Cotteswold Hills, with 



special reference to its Microscopical Structure. Quart. 



Jov/rn. Oeol. Soc. vol. xlvii. p. 550. 

 Wethered, E. B. (89). On the Microscopic Structure of the Jurassic 



Pisolite. Oeol. Mag. vol. vi. p. 196. 

 (90). On the occurrence of Oirvanella in Oolitic Rooks, and 



remarks on Oolitic Structure. Quart. Journ. Oeol. Soc. 



vol. xlvi. p. 270. 

 W^- — (95). The Formation of Oolite. Quart. Journ. Oeol. Soc. vol. li. 



p. 196. 

 Wtcies, W. H. (00). A new Rhastic Section at Bristol. Vroc. Oeol. 



Assoc, vol. xvi. p. 421. 

 Wieland, G. R. (99). A Study of some American Fossil Cycads. 



Amer. Journ. Sci. vol. iv. p. 223. 



(99''). Ibid. p. 389. 



Williamson, W. O. (70). Contributions towards the History of Zamia 



gigas, L. & H. Trans. Linn. Soc. vol. xxvi. p. 663. 

 Wilson, E. (91). On a Section of the Rhsetic Rocks at Pylle Hill 



(Totterdown), Bristol. Quart. Journ. Oeol. Soc. vol. xlvii. 



p. 545. 

 Witham, H. (33). The Internal Structure of Fossil Vegetables found 



in the Carboniferous and Oolitic Deposits of Great Britain. 



Edinburgh, 1833. 



