PROF. E. FORBES ON LOWER GREENSAND FOSSILS. 245 



49. Trigonia nodosa. (Sow. M. C. t. 507.) 

 Loc. Hythe. 



50. Nucula scapha D'Orbigny, T. C. pi. 301. f. 1, 2. 



Loc. Hythe, Atherfield. 



Note. Identified by M. d'Orbigny. The surfaces of our specimens are 

 transversely striated. The stria; are very minute, and are not represented in 

 the figures of the French shell. 



51. Nucula spathulata. Sp. nov. PI. 3. f. 4. 



N. testa depressa, transverse lineari-laneeolata, valde in- 

 asquilaterali, striata, striis transversis minutissimis, antice 

 longe-rostrata, rostro angusto, extremitate rotundato, postice 

 rotundata, angulo cardinali obsoleto. 



Lat. 0-Y2 > Lon. 0^ ; Lon. rost. -^ unc. 



A well-marked, spoon-shaped Nucula, much depressed, very in- 

 equilateral and produced into a long narrow rostrum which has 

 the extremity rounded, and is not at all carinated. Under the lens 

 the surface is seen to be very finely striated transversely. 



Loc. Atherfield. 



52. Nucula antiquata Sow. M. C. t. 475. f. 4. 



Loc. Parham. (Casts.) 



53. Nucula impressa Sow. M. C. t. 475. f. 3. 

 | >Loc. Parham, Atherfield. 



54. Nccula obtusa Sow. in Fitton, G. T., 2d ser. vol. iv. t. 17. 



f. 11.? {Nucula planata Desh. in Leym. according to D'Or- 

 bigny.) 



Loc. Atherfield. 



55. Area exaltata Nilson? (Goldfuss, pi. 122. f. 1 a, b. D'Orbigny, 



testa junior, T. C, pi. 308. f. 4, 5.) PL 3. f. 5. 



Syn. Area Gabrielis Leym. (identified by M. D'Orbigny.) 

 Loc. Atherfield, Culver. 



56. Area Raulini (Cucullcea sp.) Leymerie, pi. 10. f. la, b. 



a. ribs on anterior extremity slightly developed or obsolete. 

 Area Raulini D'Orb. T. C. pi. 310. f. 1—3. 



/3. ribs on anterior extremity, strongly marked. {A. Neo- 

 comiensis D'Orb. T. C. pi. 310. f. 6. 8. ?) 



y. transverse striae strongly marked. A. marullensis D'Orb. 

 T. C. pi. 310. f. 3. 5. 



Loc. Peasemarsh, Pulborough, Earlstoke, Atherfield, Hythe. 

 The form /3 is most common, y is rare. 



r s 



