Nomenclature of the Foraminifera. 207 



26. Lenticulina costata, F. & M. sp. Diet, xxxii. p, 182; Bl. 

 Malac. p. 390. C. Calcar, var. costata. See Ann. Nat. Hist, 

 ser. 3. V. p. 113. 



27. Lenticulina cucullataj DeM. sp. Diet, xxxii. p. 182. 

 This is a variety of Cristellaria Calcar, Linn. sp. Ann. Nat. Hist, 

 ser. 3. vi. p. 344. 



28. Lenticulina cultrata^ DeM. sp. Diet, xxxii. p. 182; Bl. 

 Malac. p. 390. Cristellaria Calcar, var. \ Fichtel & Moll, Test. 

 Micr. pi. 13. f. e-g. Ann. Nat. Hist. /. c. p. 343. 



29. Lenticulina diaphanea, DeM. sp. Diet, xxxii. p. 182; 

 Bl. Malac. p. 390. The typical form of Cristellaria Calcar, 

 Linn. sp. Ann. Nat. Hist. /. c. p. 339. 



30. Lenticulina incrassata, F. & M. sp. Diet, xxxii. p. 182 ; 

 Bl. Malac. p. 389. Nonionina asterizans, F. & M. sp., var. in- 

 crassata. Ann. Nat. Hist, ser, 3. v. p. 101. 



31. Lenticulina margaritacea, De^/. Diet, xxxii. p. 182; Bl. 

 Malac. p. 390. Cristellaria Calcar, liinn. var. S; F. &M. Test. 

 Micr. pi. 11. f. i, k. It is the " Pharame perle " of De Montfort. 



32. Lenticulina querelans, De M. sp. Diet, xxxii. p. 182 ; Bl. 

 Malac. p. 389. This is Fichtel and MolFs Cristellaria Calcar, 

 var. 7]. See Ann. Nat. Hist. ser. 3. v. p. 112, and vi. p. 343. 

 It is the same variety as C. rotulata. 



33. Lenticulina rostrata, De M. sp. Diet, xxxii. p. 182 ; Bl. 

 Malac. p. 390. This is Cristellaria Calcar, var. e, Fichtel & 

 Moll, Test. Micr. pi. 12. f. a-c. Ann. Nat. Hist. ser. 3. v. 

 p. 112. 



34. Lenticulina rotulata, Lam. Diet. xxv. p. 453, xxxii. p. 181; 

 Atlas, Zooph. pi. 15. fig. 7 ; Bl. Malac. pi. 7. f. 7. The common 

 Cretaceous variety of Cristellaria Calcar. 



35. Lenticulina Trithemus, DeM. sp. Diet, xxxii. p. 182; 

 Bl. Malac. p. 390. Cristellaria Calcar, var. ^, Fichtel & Moll, 

 Test. Micr. pi. 12. f. d-f. A modified individual of the var. 

 cultrata. 



36. Lenticulites complanata, Defr. 1822. Diet. xxv. p. 453. 

 Operculina complanata. The small recent form is 0. ammo- 

 noides ; see Ann. Nat. Hist. ser. 3. viii. pp. 229, 230. 



37. Lenticulites (et Lenticulina) planulata, Larn. Diet. xxv. 

 p. 452 ; Atlas, Conch, pi. 14. f. 1 ; Bl. Malac. pi. 6. f. 1. Num- 

 mulina planulata. See Nummulites, further on. The figure 

 represents a rather convex variety of Nummulina planulata^. 

 Lam. sp. See Ann. Nat. Hist. ser. 3. v. p. 295, and viii. p. 233. 



* An interesting series of small individuals of this subspecies, varying 

 in amount of convexity and other features, are figured and described by 

 J. G. Bornemann, under the name of Nummulina Germanica {Am.phistegina 

 numm,ularia, Reuss), in the ' Zeitschr. deutsch. geol. Gesell.' 1860, xii. 

 p. 158, pi. 6. f. 3-9. 



