have successively occupied the surface of the Earth. 199 



Sagenopteris Huttoni,Bro»5'. — Scar- 

 borough. 



Polypodites Lindleyi, G'opp. — Scar- 

 borough. 



crenifoUa, G'opp. — Scarboro'. 



undans, G'opp. — Scarborough. 



Phlebopteris polypodioides, Brong. 

 — Scarborough. 



contigua, L. 8f H. — Scarboro'. 



Camptopteris Phillipsii, Brong. — 

 Scarborough. 



Tympanophora simplex, L. 4* H. — 

 Scarborough. 



racemosa, L. Sf H. — Scarboro*. 



MARSILEACEiB. 



Baiera Huttoni, Fr. Braun. — Scar- 

 borough. 



? furcata, Fr. Braun. — Scar- 

 borough. 



Sphsereda paradoxa, L. 4* H. — Scar- 

 borough. 



LvCOPODIACEiE. 



Lycopodites falcatus, L. Sf H. — 

 Scarborough. 



? Meyeranus, Gopp. — Silesia. 



Psilotites ? filiformis, Munst. — Mon- 

 haim. 



Isoetites crociformis, Munst. — Mcn- 

 haim. 



Murrayana, L. Sf H. — Scar- 

 borough. 



EaUISETACE^. 



Equisetites lateralis, L. 8f H. — Scar- 

 borough. 



Calamites? Lehmannianus, Gopp. — 

 Silesia. 



? Haerensis, Rising. — Hoer. 



G3nunospenuous Dicotyledons. 

 Cycadace^. 



Otozamites Bucklandii,JFV. Braww. — 

 Mamers, Valogne. 



Bechii, Fr. Braun. — Mamers. 



lagotis, Brong. — Mamers. 



hastatus, Brong. — Mamers. 



Beanii, L. 8f H. — Scarboro'. 



latifolius, Br. — Orbagnoux 



(Ain). 



microphyllus, Br. — Alengon. 



acuminatus, L. 4* H. — Scar- 

 borough. 



Otozamites lajvis, Brong. — Scarbo- 

 rough. 



Youngii, Brong. — Whitby. 



acutus, Brong. — Whitby. 



Goldiaei, Brong. — Whitby. 



elegans, Brong. — Whitby. 



Zamites pectinatus, Brong. — Scar- 

 borough. 



distans, Sternb. — Stonesfield. 



lanceolatus, L. Sf- H. — Scarbo- 

 rough. 



• gigas, L. Sf H. — Scarborough. 



(Mantellii, Br. ; falcatus, Sternb. ; 

 Whitbiensis, Sternb.) 



undulatus, Sternb. ? — Scar- 

 borough. 



lougifolius, Brong. — Scarboro*. 



Moreaui, Brong. — Verdun. 



Feneonis, Brow^. — Seissel,MG- 



restel, Chateauroux. 



patens, Brong. — Stonesfield. 



taxinus, L. Sf H. — Stonesfield 



(an pectinatus, Brong. ?). 



pecten, L. SfH. — Scarborough. 



Pterophyllum (Eynhausianum, G'opp. 

 — Silesia. 



camalUanum, G'opp. — Silesia. 



propinquum, G'opp. — Silesia. 



? tenuicaule, Morris. — Scarbo- 

 rough. 



minus, Brong. — Scarborough. 



Nilsoni, L. Sf H. — Scarboro*. 



Nilsonia compta, Gopp. — Scarboro'. 

 (Pterophyllum Williamsonis, Br. 

 Prod.) 



Ctenis falcata, L. Sf H. — Scarboro*. 



Cycadoidea squamosa, Brong. — 

 Stonesfield. (Bucklandia squa- 

 mosa, Br. Prod.) 



Conifers. 



Thuites divaricatus,/S^erw6. — Stones- 

 field, Solenhofen. 



? expansus, Sternb. — Stonesf. 



Brachyphyllum mammillare, Brong. 

 — Scarborough. 



acutifolium, Brong. — Stonesf. 



gracile, Brong. — Jura near 



Nantua. 



Moreauanum, Brong. — Ver- 

 dun. 



majus, Brong. — Verdun, 



Whitby. 



Palissya ? Williamsonis, Brong. — 

 Scarborough. (Lycopodites Wil- 

 liamsonis, Brong.) 



