1849.] SHARPE ON THE GENUS NERIN^A. 105 



ive subgenera ; and a list is added of shells which have been placed in 

 this genus, but which it is conceived belong to other genera. 



Subgenus 1. NERiNiEA. 



Columella with two or three folds ; outer lip with one or two folds ; 

 folds all simple. 



A. Columella solid. 



a. Onefold inside the outer lip ; two folds on the columella. 



N. Archimedis, D'Orb. T. Cret. t. 158. f. 3, 4. 



N. Aunisiana, D'Orb. T. Cret. t. 160. f. 8, 9. 



N. Bronnii, Goldf. t. 177. f. 4. 



N. Carteroni, D'Orb. T. Cret. t. 160. f. 1, 2. 



N. Chamouseti, D'Orb. T. Cret. t. 159. f. 1, 2. 



N. cingenda, Phillips, G. Yorksh. vol. 1. t. 11. f. 28, 29. 



N. clavus, Deslongch. Mem. Soc. Linn. Norm. 7. t. 8. f. 28, 29 ; 



N. Goodhallii, Deslongch. I. c. t. 8. f. 25 ; not of Sowerby. N. fi- 

 bula, Deslongch. I. c. t. 8. f. 26, 27. 

 N. Coquandiana, D'Orb. T. Cret. t. 156. f. 3, 4. 

 iV^. cylindrica, Voltz et Bronn, Jahrb. 1836, p. 542. t. 6. f. 16. 

 N. cylindrica, Deslongch. ; vide N. funiculus. 

 N. Eichwaldiana, D'Orb. Geol. Russie et I'Oural, 2. t. 37. f. 7. 

 N. elegans, Thurmann, Porrentr. 17; Voltz et Bronn, Jahrb. 1836, 



p. 542. t. 6. f. 20. 

 iV^. elongata, Voltz et Bronn, Jahrb. 1836, t. 6. f. 15. 

 N. Espaillaciana, D'Orb. T. Cret. t. 164. f. 2. 

 N.gigantea, D'Hombres-Firmas, Mem.; D'Orb. T.Cret. 1. 158. f. 1,2. 

 N. Goodhallii, Sow. Tr. Geol. Soc. 2nd ser. 4. t. 23. f. 12. N. su- 



prajurensis, Voltz et Bronn, Jahrb. 1836, t. 6. f. 3, not f. 2; 



Goldf. t. 175. f. 10. 

 N. involuta, Bronn, Jahrb. 1836, t. 6. f. 25. 

 N. lobata, D'Orb. T. Cret. t. 160. f. 3. 

 N. nodidosa, Desh. Exp. Moree, t. 26. f. 6, 7. 

 N. nodulosa, Deslongch. Mem. Soc. Linn. Norm. 7. t. 8. f. 23, 24 ; 



not of Deshayes. 

 N. punctata, Bronn, Jahrb. 1836, t. 6. f. 23. 

 N. Ecemeri, Philippi, Jahrb. 1837, t. 3. f. 1, 2 ; Goldf. t. 176. f. 5 ; 



anne fascial a, Roemer? 

 N. simplex, Desh. Exp. Moree, t. 26. f. 4, 5. 

 N. speciosa, Bronn, Jahrb. 1836, p. 560. 

 N. subteres, Goldf. t. 175. f. 6. 

 N. suprajurensis"^, Voltz, sp. ; Bronn, Lethsea, t. 21. f. 12; Voltz 



et Bronn, Jahrb. 1836, t. 6. f. 2, not f. 3. N. Befrancii, Desh. 



Exp. More'e, t. 26. f, 1,2; anne N. Archimedis, D'Orb. ? 



* Voltz and Bronn have confounded two species under the name of N. supra- 

 jurensis : their fig. 3 is the N. Goodhallii, Sow. ; fig. 2 appears to be the same as 

 N. Defrancii, Desh., and possibly as N. Archimedis, D'Orb. : without seeing the 

 specimens it would be dangerous to speak positively. D'Archiac's shell appears 

 to be different from both. 



