CALClFBROrs SANDSTONE OF FIFE. 



587 



are wide and incurved; a faint diagonal ridge runs from each 

 towards the postero-ventral angle, and behind them extends a 

 narrow inflected cartilage-area, while in front is a comparatively- 

 wide lunette. The surface is marked by numerous strong lines of 

 growth. The muscular impressions and pallial line are well shown 

 in casts, and a strong umbonal rib bounds the anterior adductor 

 behind. Length three quarters of an inch. 



List and Vertical Range of Species found in the Calciferous Sandstone 

 of the East of Fife. 



Calamites, sp 



Carpolithes sulcatus, Lindley 



Cyclopteris flabellata, Brongn 



Dadoxylon 



Lepidodendron, sp., with Lepidophyl 



lum and Lepidostrobus 



Sphenopteris affinis, Lindley 



dilatata, Lindl 



Stigmaria 



Fucoid? 



Alxeolites septosus, Flem 



Lithodendron junceum, Flem 



Stenopora tumida, Phill 



Zaphrentis, sp 



Archseocidaris TJrii, Flem 



T^P-. 



Actinocrinus, sp 



Platycrmus, sp 



Poteriocrinus, sp 



Serpulites carbonarius, ilf' Coy 



Spirorbis globosus, M' Coy 



belicteres, Salter 



carbonarius, Murch 



Bairdia plebeia, Beuss 



brevis, Jones ^ KirJcby 



Hisingeri, Munster 



subelongata, J. ^ K. 



subcylindrica, Milnst 



prsecisa, J. <^ K. 



nitida, J. ^ K. 



— ■ — ■ sihquoides, J. Sf K. 



Beyrichia subarcuata, Jones 



subarcuata, var 



radiata, J. ^ K 



crinita, J. ^ K. , 



Oarbonia fabulina, J. 8f K. 



Rankiniana, J. <^ K. , 



subula, J. ^ K 



? bairdioides, J. Sc K. 



Eang 



e below the Carboniferous 

 Limestone. 



To 



500 ft. 



From 

 500 to 

 2300 ft. 



From 

 2300 to 

 3000 ft. 



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