G06 MR ROBERT KIDSTON ON 



Sigillaria mamillaris, Brongt. 



Sigillaria mamillaris, Brongt., Ann. d. Sc. Nat, vol. iv. p. 33, pi. ii. fig. 5, 1822. 



Sigillaria mamillaris, Brongt., Prodrome, p. 65. 



Sigillaria mamillaris, Brongt., Hid. d. veget.foss., p. 451, pi. cxlix. fig. 1 (? pi. clxiii. fig. 1, var.). 



Sigillaria mamillaris, Boulay, Terr, houil. du Nord de la France, p. 44, pi. iii. fig. 5. 



Sigillaria mamillaris, Goldenberg, Flora Samp, foss., heft ii. p. 32, pi. viii. figs. 6-7 ( ? fig. 8). 



Sigillaria mamillaris, Lesqx., Coal Flora, p. 483 (1 pi. lxxii. figs. 5-6). 



Sigillaria mamillaris, Weiss, Foss. Flora d. jiing. Stic. u. Rothl., p. 164, pi. xv. figs. 1, 2, 4 (not fig. 3) 



Sigillaria mamillaris, Weiss, Aus. d. Steinlc, p. 5, pi. i. fig. 5 (Ed. 1882). 



Sigillaria mamillaris, Sauveur, Veget.foss. d. terr. houil. Belgique, pi. lvi. fig. 1. 



Sigillaria mamillaris, Zeiller, Flore foss. d. bassin houil. Valen., p. 577, pi. lxxxvii. figs. 5-10. 



Sigillaria Dournaisii, Brongt., Prodrome, p. 65, 1828. 



Sigillaria Dournaisii, Brongt., Hist. d. veget. foss., p. 441, pi. cliii. fig. 5. 



Sigillaria Dournaisii, Goldenberg, Flora Saraip. foss., heft ii. p. 28, pi. vii. figs. 22-24. 



Sigillaria Dournaisii, Roehl, Foss. Flora d. Steinlc. Form. Westph., p. 98, pi. vii. fig. 4. 



Sigillaria Dournaisii, Weiss, Aus. d. Steinlc, p. 5, pi. i. fig. 3 (Ed. 1882). 



Sigillaria conferta, Boulay, Terr, houil. du Nord de la France, p. 44, pi. iii. fig. 3, 1876. 



Transition Series (Lower Pennant Series). 



Locality. — Abergorchy, Rhondda Valley. 

 Horizon. — Abergorchy Seam. 



Middle Coal Measures (White Ash Series). 



Locality. — Cwm Avon, near Port Talbot. 

 Horizon. — (?). 



Sigillaria scutellata, Brongt. 



Sigillaria scutellata, Brongt., Class, d. veget. foss., p. 22, pi. i. fig. 4, 1822. 

 Sigillaria scutellata, Brongt., Hist. d. veget. foss., p. 455, pi. cl. figs. 2, 3, pi. clxiii. fig. 3. 

 *Sigillaria scutellata, Kidston, Trans. Roy. Soc. Edin., vol. xxxvii. p. 346. 



Transition Series (Lower Pennant Series). 



Locality. — Bwllfa Dare Colliery, Aberdare. 

 Horizon. — Graig Seam (Abergorchy). 



Sigillaria polyploca, Boulay. 



Sigillaria polyploca, Boiday, Terr, houil. du Nord de la France, p. 47, pi. ii. fig. 8, 1876. 

 Sigillaria polyploca, Zeiller, Ann. d. sc. Nat. 6 e s^r. Botan., vol. xix. p. 264, pi. xi. fig. 2. 

 Sigillaria polyploca, Zeiller, Flore foss. d. bassin houil. d. Valen., p. 450, pi. lxxxii. figs. 7-8. 



Transition Series (Lower Pennant Series). 



Locality. — Bwllfa Dare Colliery, Aberdare. 

 Horizon. — Graig Seam (Abergorchy). 



