SPHEirOPIEKIS. 155- 



a fairly close resemblance between tbis example and Brongniart's- 

 figure ^ of a specimen of Sphenopteris dentieulata from tbe Yorksbiro 

 coast. 



Tbe pinnules of tbis fragment are smaller and ratber more 

 delicate tban those in 8250 (PI. XVII. Fig. 1). Labelled by 

 Bean S. WUliamsonis. 



Gristborpe Bay. Bean Coll.. 



8250. PI. XVII. Fig. 1. 



A smaller piece tban 39,281, but tbe ultimate segments are 

 mucb longer; it agrees exactly witb tbe figures of this species 

 given by Brongniart and by Lindley & Hutton. 



Part of a frond of Todites WilUamsoni on tbe same piece of sbalo.. 



Scarborough. 



13,499. Fragments similar to 8250, but very imperfect- 

 Compare tbis specimen with Phillips' figure of tbis species and 

 "Williamson's drawing in tbe Fossil Flora of Lindley & Hutton. 



Grristhorpe Bay. Presented ly Br. Murray.. 



3. Sphenopteris Murrayana (Brongniart). 



[Hist. veg. foss. p. 358, pi. cxxvi. figs. 1, 2, and 4, 1828.] 

 (PI. XXI. Fig. 5.) 



1828. Fceoptens Murrayana, Brongniart, Hist. veg. foss. p. 358, pi. cxxvi.. 



figs. 1, 2, and 4. 



1829. ? Sphenopteris arbuscula, Phillips, Geol. Yorks. lign. 36, p. 216. 



Type-specimen. ? Natural History Museum, Paris. 



Frond tripinnate ; pinnse broad and spreading, given oJffi from 

 the racbis almost at right angles ; ultimate segments crowded, 

 deltoid in form, and similar to those of Coniopteris hymenophylloides- 

 (Brongn.). 



It has been pointed out in discussing Coniopteris hymenophylloides,. 

 that in all probability some of tbe specimens included by Brongniart 

 and others under tbe name Pecopteris or Sphenopteris Murrayana 

 may belong to a distinct species, which we have referred to- 



1 Brongniart (28*), pi. Ivi. fig. 1. 



