438 LIST OF WORKS 



Williamson, W. C. (71) On the organization of the Fossil Plants of 

 the Coal-Measures. Memoir i. Calamites. Phil. Trans. R. Soc. 

 vol. CLXi. p. 477, 1871. 



(71^) On the structure of the woody zone of an undescribed form 



of Calamite. Proc. Lit. Phil. Soc. Manchester, vol. iv. [3] p. 155, 

 1871. 



(71^) On a new form of Calamitean Strobilus from the Lancashire 



Coal-Measures. Proc. Lit. Phil. Soc. Manchester, vol. iv. [3] p. 248, 

 1871. 



(73) On the organization, &c. Mem. iv. THctyoxylon, Lygino- 



dendron and Meterangium. Phil. Trans, vol. CLXIII. p. 377, 1873. 



. (74) Ibid. Mem. v. Asterophyllites. Phil. Trans, vol. clxiv. 



p. 41, 1874. 



(76) On the organization of Volkmannia Dawsoni, an imdescribed 



verticillate strobilus from the Lower Coal-Measures of Lancashire. 

 Proc. Lit. Phil. Soc. Manchester, vol. v. [3] p. 28, 1876. 



(78) On the organization, &c. Mem. ix. Phil. Trans, vol. CLXix. 



p. 319, 1878. 



(80) Ibid. Mem. x. Phil. Trans, vol. clxxi. p. 493, 1880. 



(81) Ibid. Mem. xi. Phil. Trans, vol. clxxii. p. 283, 1881. 



(82) Helophyton Williamsonis. Nature, vol. xxv. p. 124, 1882. 



(83) On some anomalous Oolitic and Palaeozoic forms of vegeta- 

 tion. R. Instit. Great Britain. ( Weekly Evening Meeting), Feb. 16, 

 1883. 



(83^) On the organization, &c. Mem. xii. Phil. Trans, vol. 



CLXXIV. p. 459, 1883. 



(85) On some undescribed tracks of invertebrate animals from 



the Yoredale rocks. Proc. Lit. Phil. Soc. Manchester, vol. x. [3] 

 p. 19, 1885. 



(87) A monogi-aph of the morphology and histology of Stigmaria 



ficoides. Palaeont. Soc. London, 1887. 



(87^) On the relations of Galamodendron to Calamites. Proc. Lit. 



PhU. Soc. Manchester, vol. x. [3] p. 255, 1887. 



(88) On some anomalous cells developed within the interior of 



the vascular and cellular tissues of the fossil plants of the Coal- 

 Measures. Annals Bot. vol. i. 315, 1888. 



(88^) On the organisation &c. Mem. xiv. The true fructification 



of Calamites. Phil. Trans, vol. CLXXix. p. 47, 1888. 



(89) Ibid. Mem. xv. Phil. Trans, vol. clxxx. p. 155, 1889. 



(91) General, morphological and histological Index to the Author's 



Collective Memoirs on fossil plants of the Coal-Measures. Pt. i. 

 Proc. Lit. PhU. Soc. Manchester, vol. iv. [3] 1891. 



(91^) On the organisation &c. Mem. xviii. Phil.- TVaiu. vol. 



OLXXXii. B. p. 255, 1891. 



(92) The genus Sphenophylhim. Nature, vol. xlvii. p. 11, 1892. 



