438 SCIENCE PROGRESS. 



Feistmantel, O. The Fossil Flora of the Lower Gondvvanas. 



II. The Flora of the Damuda and Panchet Divisions. Mem. 



Geo/. Surv. India, vol. hi., Calcutta, 1881. 

 FELIX, J. Untersuchungen iiber den inneren Bau Westfalischer 



Carbon-Pflanzen. K. Preuss. Geo/. Landesanst., p. 153, 1886. 

 KlDSTON, R. On the Fructification of Sp/ienopJiy/lum trichomatosum, 



Stur, from the Yorkshire Coal Field. Proc. R. Phys. Soc., 



Edinburg/i, vol. xi., p. 56, 1890-91. 

 NEWBERRY, J. S. The Genus Sphenophy/lum. Journ. Cincinnati 



Nai. Hist. Soc., p. 212, 1891. 

 POTONIE, H. Ueber die Stellung der Sphenophyllaceen im System. 



Bericht. dentsch. bot. Gese//., Band, xii., Heft 4, p. 97, 1894. 

 RENAULT, B. (i). Nouvelles recherches sur la structure des 



SphenopJiyllum et sur leurs affinites botaniques. Ann. Sci. 



Nat. Bot. [6], vol. iv., p. 277, 1876. 

 Renault, B. (2). Cours de botanique fossi/e, vol. ii., 1882. 

 Schenk, A. In Richthofen's China, vol. iv., Berlin, 1883. 

 Seward, A. C. Sp/ienopJiyUum as a Branch of Asterophy/lites. 



Mancliester Lit. and Phi/. Soc, p. 1, 1890. 

 Solms-Laubach, Graf zu. Bowmanites Romeri, eine neue 



Sp/tenopJiylluni Fructification. Ja/irb. k. k. Geo/. Reichsanust. 



Wien, vol. xlv., Heft I, p. 225, 1895. 

 Stur, D. Die Carbon-Flora der Schatzlarer Schichten. Abth. II. 



Die Calamarien. K. k. Geo/. Reichs., vol. xi.; Abth. II., Wien, 



1887. 

 WEISS, C. E. Beitrage zur fossilen Flora, III. Steinkohlen- 



Calamarien, II. Abth. Geo/. Specia/karte Preuss. Thiiring- 



Staaten, Band v., Heft. 2, Berlin, 1884. 

 WILLIAMSON, W. C, and Scott, D. H. Further Observations on 



the Organisation of the Fossil Plants of the Coal-Measures. 



Part I. Catamites, Ca/amostachys, and Sphenophy//um. Phi/. 



Trans., vol. clxxxv. B., p. 863, 1894. 

 Zeiller, R. (i). Bassin houiller de Valenciennes. Etudes de gites 



Minkraux, Paris, 1886. 

 Zeiller, R. (2). Sur la Valeur du Genre Trizygia. Bu/L Soc. 



Geo/. France [3], vol. xix., p. 673, 1891. 

 Zittel, K. A. VON. Handbuch der Pa/a?onto/ogie. Abth. II. 



Palaeophytologie. Schimper & Schenk, 1890. 



A. C. Seward. 



