INTROBTTOIIOlf. 7 



Feropteris undulata, Phill. 1 ~ , ,,,-,,,■,■ ,t o. tt \ 



P. mconstans, Phill. i ^ j \ / 



F. Raiburnensia, L. & H. = C. haiburnensis. 



P. recmtior, Phill. = Todites Williamami (Brongn.). 



Sphenopteris Murrayana (Brongn.) = 8. Murrayana. 



S. athynides (Brongn.) = ? Coniopteris hymenophyUoides (Brongn.). 



S. modeata, Leek. = S. princeps, Presl. 



S. qfflnis, PhiU, = Coniopteris hymenophyUoides (Brongn.). 



S. socialis, Phill. = C. hymenophyUoides. 



8. disaoeialis, Phill. = C. hymenophyUoides. 



S. quinqueloba, PhiU. = C. quinqueloba. 



S. hymenophyUoides, Brongn. = C hymenophyUoides. 



8. orenulata, Brongn. = ? Coniopteris hymenophyUoides. 



8. arbmeula, Phill. = Sphenopteris Murrayana (pars) , Brongn. 



S. arbuscula, var. = Coniopteris quinqueloba (PhiU.). 



<S. dentieulata, Brongn. = ? 8phenopteria WiUiamsoni, Brongn. 



8. WiUiamaoni, Brongn. (= 8. diyitata, PhUl., 1829; figured specimen in the 



York Museum) = 8. WiUiamsoni. 

 8. muacoides, PhiU. (Type-specimen in the York Museum.) = Coniopteris 



S. Juyleri, Leek. (Type-specimen in the Leckenhy Coll. , Cambridge.) = Suffordia 



Goepperti (Dunk.). 

 "A skeletonized fern-branch." — Phillips, 1829, pi. viii. fig. 18. = Inde- 

 terminable fern. (Figured specimen in the York Museum.) 

 Ctenis falcata, L. & H. (= Cyeaditea suleieauliSf'PhSi.., 1829; type-specimen 



? in the York Museum) = Ctenis falcata. 

 Odontopteris Leckenbyi, Leek., ex Bean MS. (Type-specimen in the Leckenby 



CoU., Cambridge.) = Plilozamites Leekenbyi. 



Tympanophora raeemoaa, L. & H. ) n • s • i i ?? ■ j 



J^ '^ '^ ^ „ „ ' > = Comoptena hymenophyUoides. 



T. aimplex, L. & H. I ^ n ^f a 



Tree-fern stem = ? tree-fern stem. 



Otozamitea Beanii (L. & H.). (Figured specimen in the Leckenby CoU., 



Cambridge.) = Otozam%tes Seani. 

 0. tenuatus (Bean MS.) = 0. Bunburyanus, Zign. 

 0. parallelus, PhiU. = 0. parallelus (PhUl.). 

 0. obtuaua (L. & H.) = 0. obtuaus, var. oolitieus, [The type-specimen of 



0. obtusua (L. & H.), from the Lias of Axminster, which is in the Oxford 



Museum, is not specifically identical with the Yorkshire plant.] 

 0. yraphioua, Leek., ex Bean MS. (Type-specimen in the Leckenby Coll., 



Cambridge.) = 0. graphicus. 

 0. acuminatus (L. & H.) = 0. acuminatus. 

 0. gramineus, PhiU. (The original of Zigno's figure ia in the Leckenby CoU. , 



Cambridge.) 

 0. laneeolatus, PhiU. (= Cyeadites laneeolatus, PhiU., \ 



1829) I = Otozamites acuminatus 



0. latifoliua (PhiU.) ( = Cyeaditea latifolius, PhiU., | (L. & H.). 



1829 ; type-specimen in the York Museum) / 

 0. gracilis (Leek., ex Bean MS.). (Type-specimen in the Leckenby CoU., 



Cambridge.) = Williamsonia picten (PhiU.). 



