—— (893) On some fossil plants from Teilia quarry, Gwaenysgor, near Prestatyn, Flintshire. Trans. R. Soc. Edinb. vol. XXXV. pt. ii.
—— (91) On the fructification of Sphenophyllum trichomatosum, Stern. from the Yorkshire Coal-field. Proc. R. Soc. Edinb. vol. XI. p. 56.
—— (912) On the fructification and internal structure of Carboniferous ferns in their relation to those of existing genera. Trans. Geol. Soc. Glasgow, vol. IX. pt. i.
—— (913) On the Fossil Flora of the Staffordshire Coal-fields. II. Trans. R. Soc. Edinb. vol. XXXVI. p. 63.
—— (93) On Lepidophloios, and on the British species of the genus. Trans. R. Soc. Edinb. vol. XXXVII. pt. iii. p. 529.
—— (94) On the various divisions of British Carboniferous rocks as determined by their fossil flora. R. Physc. Soc. Edinb. vol. XII. p. 183.
—— (96) On the Fossil Flora of the Yorkshire Coal-fields. I. Trans. R. Soc. Edinb. vol. XXXVIII. p. 203.
—— (97) On the Fossil Flora of the Yorkshire Coal-fields. II. Trans. R. Soc. Edinb. vol. XXXIX. pt. i. p. 33.
—— (01) Carboniferous Lycopods and Sphenophylls. Trans. Nat. Hist. Soc. Glasgow, vol. VI. pt. i. p. 25.
—— (012) The flora of the Carboniferous Period. Proc. Yorks. Geol. Polyt. Soc. vol. XIV. pt. ii.