have successively occupied the surface of the Earth. 199 



Sagenopteris HuttonijBron^'. — Scar- 

 borough. 



Polypodites Lindleyi, Gopp. — Scar- 

 borough. 



crenifoHa, Gopp. — Scarboro'. 



undans, Gopp. — Scarborough. 



Phlebopteris polypodioides, Brong. 

 — Scarborough. 



■ contigua, L. 8f H. — Scarboro'. 



Camptopteris Phillipsii, Brong. — 

 Scarborough. 



Tympanophora simplex, L. Sf H. — 

 Scarborough. 



racemosa, L. Sf H. — Scarboro'. 



Marsileace^. 



Baiera Huttoni, Fr. Braun. — Scar- 

 borough. 



? furcata, Fr. Braun. — Scar- 

 borough. 



Sphsereda paradoxa, L. 8f H. — Scar- 

 borough. 



LvCOPODIACEiE. 



Lycopodites falcatus, L. Sf H. — 

 Scarborough. 



? Meyeranus, Gopp. — Silesia. 



Psilotites ? fihformis, Munst. — Mon- 

 haim. 



Isoetites crociformis, Munst. — Mcn- 

 haim. 



Murrayana, L. <5" H. — Scar- 

 borough. 



EaUISETACEiE. 



Equisetites lateralis, L. ^ H. — Scar- 

 borough. 



Calamites? Lehmannianus, Gopp. — 

 Silesia. 



? Haerensis, Rising. — Hoer. 



Oymnospenuons Dicotyledons. 

 Cycadace^e. 



Otozamites Bucklandii, Fr.Brawra. — 

 Mamers, Valogne. 



Bechii, Fr. Braun. — Mamers. 



lagotis, Brong. — Mamers. 



hastatus, Brong. — IMamers. 



Beanii, L. ^ H. — Scarboro'. 



latifoUus, Br. — Oi-bagnoux 



(Ain). 



microphyllus, Br. — Alengon. 



■ acumimitus, L. Sf H. — Scar- 

 borough. 



Otozamites laevis, 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. ^ 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, BroM^. — Seissel,Mo- 



restel, Chateaiu"oux. 



patens, Brong. — Stonesfield. 



taxinus, L. ^- H. — Stonesfield 



(an pectinatvis, Brong. ?). 



pecten, L. SfH. — Scarborough. 



PterophyUum CEjTihausianum, Gopp . 

 — Silesia. 



carnalhanum, Gopp. — Silesia. 



propinquum, Gopp. — Silesia. 



? tenuicaule, Morris. — Scarbo- 

 rough. 



minus, Brong. — Scarborough. 



Nilsoni, L. 4' H. — Scai-boro'. 



Nilsonia compta, Gopp. — Scarboro'. 

 (PterophyUum Williamsonis, Br. 

 Prod.) 



Ctenis falcata, L. ^ H. — Scarboro'. 



Cycadoidea squamosa, Brong. — 

 Stonesfield. (Bucklandia squa- 

 mosa, Br. Prod.) 



Conifers. 



Thuites divaricatus,S^ern6. — Stones- 

 field, Solenhofen. 



? expansus, Sternb. — Stonesf. 



Brachyphyllum mammillare, Brong. 

 — Scarborough . 



acutifolium, Brong. — Stonesf. 



gracile, Brong. — Jura near 



Nantua. 



Moreauanum, Brong. — Ver- 

 dun. 



majus, Brong. — Verdim, 



Whitby. 



Palissya ? Williamsonis, Brong. — 

 Scarborough. (Lycopodites Wil- 

 liamsonis, Brong.) 



