252 LIST OF WORKS QUOTED. 



Williamson, W. C. (2) On the Scaly Vegetable Heads or Collars 



from Runswick Bay, supposed to belong to Zamia gigas. 



[Proc. York*. Phil. Soc. vol. i. 1847, p. 45.] 

 Williamson, W. C. (3) Contributions towards the History of Zamia 



gigas, L. and H. [Linn. Trans, vol. xxvi. 1870, p. 663.] 

 Yates, J. Notice of Zamia gigas. [Proc. Yorks. Phil. Soc. vol. i. 1855, 



p. 37.] 

 Yokohama, M. Mesozoic Plants from Kozuke, Ku, Awa, and Tosa. 



[Journ. Coll. Sci. Japan, vol. vii. pt. iii. 1894, p. 201.] 

 Young, O. and Bird, J. A Geological Survey of the Yorkshire Coast. 



Whitby, 1822. 



Zeiller, R. See Renault and Zeiller. 

 Zeiller, R. (1) Bassin houiller et Permien d'Autun et d'Epinac. Paris, 



1890. 

 Zeiller, R. (2) Notes sur la flore des couches permiennes de Trienbach 



(Alsace). [Bull. Soc. Ge'ol. France, vol. xxii. (3) 1894, p. 163.] 

 Zeiller, R. (3) Observations sur quelques cuticles fossiles. [Ann. Sci. 



Nat. 1882, p. 217.] 

 Zigno, A. (1) Flora fossilis formationis Oolithicoe. Vol. ii. Padova, 



1873-85. 

 Zigno, A. (2) Monografia del genere Dichopteris nuovo genere di felce 



fossile. [Mdm. instit. Veneto, vol. xii. 1864.] 

 Zittel, K. A. Handbuch der Palteontologie. Abtheilung ii. : Paleeo- 



phytologie. Schimper, W. P. and Schenk, A. Munich and 



Leipzig, 1890. 



Lieferung i. - pp. 



ii- - - ,, 

 iii- - - 



v. 



vi. 



vii. 



viii. 



