602 MR ROBERT KIDSTON ON 



Middle Coal Measures (White Ash Series). 



Locality. — Ebbw Vale, Monmouth. 

 Horizon. — (?). 



Lepidodendron ophiurus, Brongt. 



Lepiclodendron ophiurus, Brongt., Prodrome, p. 85. 

 * Lepidodendron ophiurus, Kidston, Trans. Roy. Soe. Edin., vol. xxxvii. p. 334. 

 Sagenaria ophiurus, Brongt., Class, d. veget. foss., p. 27, pi. vi. fig. 1. 



Middle Coal Measures (White Ash Series). 



Locality. — Bwllfa Dare Colliery, Aberdare. 

 Horizon. — 4 Foot Seam. 



Lepidodendron obovatum, Sternb. 



Lepidodendron obovatum, Sternb., Ess. flore monde prim., vol. i. fasc. 1, pp. 21 and 25, pi. vi. fig. 1, 

 pi. viii. fig. la ; fasc. 4, p. x. 



* Lepidodendron obovatum, Kidston, Trans. Roy. Soc. Edin., vol. xxxvii. p. 335. 



Middle Coal Measures (White Ash Series). 



Locality. — Ebbw Vale, Monmouth. 

 Horizon. — (?). 



Lepidodendron aculeatum, Sternb. 



Lepidodendron aculeatum, Sternb., Ess. flore monde prim., vol. i. fasc. 1, pp. 21 and 25, pi. vi. fig. 2, 

 pi. viii. fig. lb ; fasc. 2, p. 28, pi. xiv. figs. 1-4 ; fasc. 4, p. x. 



* Lepidodendron aculeatum, Kidston, Trans. Roy. Soc. Edin., vol. xxxvii. p. 336. 



Middle Coal Measures (White Ash Series). 



Locality. — Ebbw Vale, Monmouth. 



Horizon. — (?). 

 Locality. — Cwm Avon, near Port Talbot. 

 Horizon. — (?). 



forma modulatum. 



Lepidodendron modulatum, Lesqx., Oeol. of Pennysl., vol. ii. p. 874, pi. xv. fig. 1. 

 Lepidodendron modulatum, Lescps., Coal Flora, ii. p. 385, pi. lxiv. figs. 13-14. 



Middle Coal Measures (White Ash Series). 



Locality. — Bwllfa Dare Colliery, Aberdare. 

 Horizon. — 9 Foot Seam. 



