MUSEUM OF THE NAT DEAL I1ISTOKY SOCIETY. 20 1 



Tribe. PECOPTEPJDEiE. 

 ALETHOPTEEIS, Sternberg. 

 Alethopteris lonchitica, Schlotheim sp. 



Filicites lonchiticus, Schloth., Flor. d. Yorw., pi. 1 1, f. 22. Type. 

 Pecopteris lonchitica, L. etH., Foss. Flora, pi. 153. 



,, Mantelli, L. etH., Foss. Flora, pi. 145. 



„ „ Brongt., Hist. Yeg. Foss., pi. 83, f. 3, 4. 



,, urophylla, Brongt., Hist. Yeg. Foss., pi. 86. 



,, heterophylla, L. etH., Foss. Flora, pi. 38. 



Loc. — Eoof-shale, B. S., Jarrow; L. M. S., Felling, etc, One 

 of the commoner Ferns of this Coal-field. 



Aletliopteris Serlii, (Brongniart.) 



Pecopteris Serlii, Brongt., Hist. Yeg. Foss., pi. 85. Type. 

 „ „ L. et H, Foss. Flora, pi. 202. 



Loc. — In shales of the lower Coals, Auckland district. 



PTEELDOPSIS, nov. gen. 

 Pteridopsis plumosa, nov. spec. 



Pteridopsis plumosa, nov. gen. et spec, 111. Foss. Pits., pis. 44, 

 Loc. — Eoof-shale, B. S., Jarrow. 63. Type. 



PECOPTEEIS. 

 Pecopteris muricata (Schlotheim sp.). 



Filicites muricatus, Schloth., Flor. d. Yorw., pi. 12, f. 21, 23. 

 Pecopteris muricata, Brongt., Hist.Yeg.Foss., pl.95, f .3,4; pi. 97. 



,, laciniata, L. et H., Foss. Flora, pi. 122. 



,, nervosa, Brongt., Hist. Yeg. Foss., pis. 94, 95, f. 1, 2. 



,, ,, L. et H. ; Foss. Flora, pi. 94. 



Loc. — Eoof-shale, B. S., Jarrow; L. M. S., Felling. Occurs 

 in all the roof-shales, and is one of the commoner ferns. 



Pecopteris Pluckenetti (Schlotheim sp.). 



Filicites Pluckenetti, Schloth., Flor. d. Yorw., pi. 10, f. 19. Type. 

 Sphenopteris rapanda, L. et H., Foss. Flora, pi. 84. 

 Pecopteris Pluclcenetii, Brongt., Hist.Yeg.Foss., pi. 107, f. 1-3. 



Loc. — Eoof-shale, B. S., Jarrow. The specimen in the Hutton 

 Collection is the only one known from this Coal-field. 



