KILMARNOCK, GALSTON, AND KILWINNING COAL FIELDS, AYRSHIRE. 347 



Remarks. — This species is rare. Sigillaria pachydermia, Brongt.,* is very closely- 

 related to Sigillaria scutellata, if really distinct from it. 

 Locality. — Bonny ton Pit, Kilmarnock. 

 Horizon. — Shale over Whistler Coal. 



Sigillaria Walchii, Sauveur. 



Sigillaria Walchii, Sauveur, Veget. foss. d. terr. houil. d. Belgique, pi. xlvii. fig. 3. 

 Sigillaria Walchii, Kidston, Ann. and Mag. Nat. Hist., ser. 5, vol. xv. p. 361, pi. xi. fig. 1. 

 Sigillaria Walchii, Kidston, Proc. Roy. Phys. Soc. Edin., vol. viii. p. 420, pi. xxi. fig. 1. 

 Sigillaria Walchii, Zeiller, Flore foss. d. bassin houil. d. Valen., p. 527, pi. Ixxxviii. fig. 3. 



Note. — Only one specimen of this species has been met with. 

 Locality.— Kilwinning. 



Horizon. — Roof of Turf Coal. 



Sigillaria orbicularis, Brongt. 



Sigillaria orbicularis, Brongt., Prodrome, p. 65. 



Sigillaria orbicularis, Brongt., Hist. d. veget. foss., p. 465, pi. clii. fig. 5. 



Sigillaria orbicularis, Unger, Genera et Species, p. 244. 



Sigillaria orbicularis, Goldenberg, Flora Sarsepont. foss., Heft ii. p. 42, pi. viii. fig. 20, fig. 21, var. B. 



Sigillaria orbicularis, Schimper, Traite d. paleont. veget., vol. ii. p. 87. 



Remarks. — Only two specimens of this plant have been found. It is closely related 

 to the following species. 



Locality. — Bonnyton Pit, Kilmarnock. 

 Horizon. — Shale over Whistler Coal. 



Sigillaria Arzinensis, Corda. 



Sigillaria Arzinensis, Corda, Flora d. Vorivelt, p. 29, pi. lix. fig. 12 (fig. inverted). 



Sigillaria Arzinensis, Unger, Genera et Species, p. 247. 



Sigillaria Arzinensis, Goldenberg, Flora Sarsepont. foss., Heft ii. p. 44, pi. x. fig. 14. 



Sigillaria Arzinensis, Kimball, Flora from the Apalacian Coal Field, p. 16, pi. i. fig. 5. 



Sigillaria Arzinensis, Scbimper, Traite d. paleont. veget., vol. ii. p. 93. 



Sigillaria Arzinensis, Kidston, Trans. Roy. Soc. Edin., vol. xxxv. p. 413, pi. fig. 2. 



Remarks. — Only met with sparingly at one locality in the Coal Field. The Sigillaria 

 ovalis, Lesqx., should perhaps be united with this species.t 

 Locality. — No. 9 Pit, Annandale Colliery, near Kilmarnock. 

 Horizon. — Shale over Main Coal. 



* Hist. d. ve'ge't. foss., p. 452, pi. cl. fig. 1. t Coal Flora, vol. ii. p. 495, pi. lxxi. figs. 7, 8. 



VOL. XXXVII. PART II. (NO. 16). 3 D 



