?6 ALCIAN FOSSILS DISCOVERED AT OkEFORD FITZPAlNE. 



Teredo, sp. 



Thracia, n. sp. 



Trigonia alceformis, Parkinson. 



Trigonia Archiaciana, Orbigny. 



Irigonia, Fittoni (Deshayes), Leymerie. 



PLANTS. 

 Coniferous wood. 



PISCES Elas/mobranchii. 

 LAMMA APPENDICULATA, Agassiz. 



PI. iii., fig. 1. 



Otodus appendiculatus, Agassiz : Poissons Fossiles, 1843, Vol. 3, 

 PI. 32, figs. 1-25, p. 270. 



Lamma appendiculata, A. S. Woodward : Cat. Fossil Fishes, 

 British Museum, 1889, Pt. 1., p. 393. 



The tooth referred to this species appears to be of normal 

 character. It exhibits the plano-convex coronal eminence with 

 its smooth cutting edges, flanked by a pair of broadly acuminate 

 denticles ; the base or root is arched and tumid, and its inner 

 surface very convex. 



Dimensions Height = 28 



= 28 1 

 = 21 J 



nr-jit- Millimetres. 

 Width 



RANGE OF SPECIES. Albian to Senonian. 



LOCALITIES. Folkestone, Warminster, Devizes, Cambridge, 

 Hunstanton, Dover, &c. ; Ardennes, Meuse, Aube and Yonne 

 districts of France, &c. ; New Jersey and North Queensland. 



SYNECHODUS, sp. 



PI. iii., fig. 2. 



Only one detached tooth of this genus is in the present collection, 

 and until more material is available it is not desirable to place it 

 under a definite specific name. Mr. A. S. Woodward, the author 

 of the genus (Proc. Geologists Assoc., 1888, Vol. 10, p. 288), has 

 seen the specimen and confirms the above determination. The 



