Nomenclature of the Yov&mim£evai. 215 



xli. p. 193. This is the Polystomella {Nonionina) asterizans, 

 F. & M. sp. See Ann. Nat. Hist. ser. 3. v. p. 101. 



106. Placentula pulvinata. Lam. Diet, xxxii. p. 180, xli. 

 p. 193 ; Atlas, Conch, pi. 15. f. 5 ; Bl. Make. pi. 7. f. 5. This 

 is the Pulvinulina repanda, F. & M. sp. 



107. Planularia Auris, Defr. 1824. Diet, xxxii. p. 178, xli. 

 p. 244; Atlas, Conch, pi. 14. f. 5 ; Bl. Malac. p. 371, pi. 6. f. 5. 

 This is a very thin outspread variety of Cristellaria Cymba, 

 D^Orb. [Planularia Cymba, Ann. des Sc. Nat. vii. p. 260, no. 4, 

 pi. 10. f. 9; Modeles, no. 27; Soldani, Testae, i. pt. ], pi. 58. 

 f. c, c.) It is the same as Soldani's Orthoceras Auris (Testae, 

 i. pt. 2, pi. 104. f. A). 



Defrance's term Planularia is applicable to a group of elegant 

 forms connecting the Nautiloid Ci'istellaria with their Marginu- 

 line varieties and with Vaginulince, and thus constituting a 

 noticeable member of the great genus Nodosarina. 



108. Polystomella ambigua, F. & M. sp. Diet, xxxii. p. 183 , 

 Bl. Malac. p. 388. A common variety of P. crispa. See Ann 

 Nat. Hist. ser. 3. v. pp. 103, 104. 



109. Polystomella Etrusca, De M. sp. Diet, xxxii. p. 183 : 

 Bl. Malac. p. 389. This is P. [Nonionina) pompilioides, F. & M 

 sp. See Ann. Nat. Hist. ser. 3. v. p. 102. 



110. Polystomella macella, F. & M. sp. Diet, xxxii. p. 183 

 Bl. Malac. p. 388. This is Fichtel and MolFs var. /8 of P. ma 

 cella, a flat form of P. crispa. Ibid. p. 104. 



111. Polystomella margaritacea, DeM. sp. Diet, xxxii. p. 183 

 Bl. Malac. p. 389. This is P. [Nonionina) Faba, F. & M. sp 

 See Ann. Nat. Hist. ser. 3. v. p. 102, vi. p. 339. 



112. Polystomella planulata, jL«m. Diet, xxxii. p. 183 ; Atlas, 

 Conch, pi. 15. f. 8; Bl. Malac. p. 388, pi. 7. f. 8. A flat P. 

 crispa. The same as P. macella, F. & M. sp. 



113. Polystomella Vortex, F. & M. sp. Diet, xxxii. p. 183; 

 Bl. Malac. p. 389. This is Cristellaria Vortex, F. & M. sp. 

 See Ann. Nat. Hist. ser. 3. v. p. 113. 



114. Polytrema miniacea, Esper, sp. Polytreme rouge, BL 

 Atlas, Zooph. pi. 44. f. 4, 4a; Actinol. p. 410, pi. 69. f. 4, 

 4 a. This was first recognized as Millepora miniacea, Esper, 

 Zooph. i. pi. 17 ; Gmel. Syst. Nat. 3784; afterwards as M. rubra, 

 Lamarck, Hist. An. s. Vert. ii. p. 202, no. 8 ; Polytrema coral- 

 Una, Risso, Eur. Merid. v. p. 340, no. 91 ; Polytrema miniacea, 

 Blainville, Actinol. p. 410, pi. 69. f. 4, 4 a. It is a fixed, reddish, 

 often branching Rhizopod, related to Orbitolina [Tinoporus), 

 Patellina, and other Rotalina. See Carpenter^s ' Introduction,' 

 p. 235, pi. 13. f. 18-20. 



115. Polytrypa elongata ve^ Polytrypes elongatus, 2)6//-, 1826. 

 Diet. xlii. p.453 ; Atlas, Zooph. pl.48. f.l (Bl. Actinol. pi. 73.f.l). 



