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Pleurotoma, L. Reeve, Conch. Icon.-Pleurotoma, no. 356, Jan. 1846. 

 Pleurotomaria, A. v. Klipstein, Beitr. geol. östl. Alpen (2, 3) 1845, 168. 

 Pogonocherus, Ziegler; Dejean, Catal. Coléopt. 1821, 107 [no n.]. 

 Polymorphina, A. d'Orbigny, Ann. Sci. Nat. VII (27) Mar. 1826, 265 [no 11.]. 

 Polystomella, A. d'Orbigny, Foram. foss. Vienne, Sept. 1846, 124. 

 Posidonomya (Hall), A. d'Orbigny, Prodr. Paléont. I. 1849 [Jan. 18 50], 14.- 

 Ambonychia. 

 Proconia (Fab.), Amyot & Serville (Roret's Suite à Buffon), Hémiptères, 1843, 

 57I.-Cieada, 1787. 

 Product us, C. H. Pander, Beitr. Geogn. Russ. Reiehs, 1830, 87. 

 Productus (Sow.), G. P. Deshayes in Lamarck, H. N. Anim. s. Vert., ed. 2, VII. 

 Jan. 1 8 3 6 , 380.-Spirifer. [105. 

 Proleptus, F. Dujardin (Roret's Suite à Buffon), Helminthes, 1845 [Nov. 1844], 

 Psammodus, L. Agassiz, 13 Rept. Brit. Assoc. (Cork, 1843) 1844, 196; Poiss. 

 Foss. I. Tableau (1844) xxxv [11,. n.]. 

 Pseudoliva (Desh.), J. De C. Sowerby, Min. Conch. VII. 1841, 23.-Buccinum. 

 Pteromalus, F. Walker, Entom. Mag. II (5) Jan. 1835, 490. 

 Pterostichus, J. Sturm, Deutschl. Fauna (Insecten) V. 1824, 22. 

 Pupa, J. P. R. Draparnaud, H. N. Moll. France, 1805, 63. 

 Pupa, C. G. Ehrenberg, Sym. Phys., Moll. 1831 (pIs. 1828), sign. e. 

 Pycnodus, J. L. R. Agassiz, Ann. Mag. N. H. VII. 1841, 496 [no n.]; Poiss. Foss. 

 II (2), 199 (1844). 

 Pyramis, T. Brown, Ill. Conch. G. B. I. 1827, pI. 1, f. 27 [no et I.]. 

 Reduvius, Palisot de B., Ins. Afr. Amér. (-) 1807, 63. [420. 

 Rembus, J. L. Le Conte, Ann. Lyceum N. H. New York, IV (10 & II) July 1847, 

 Retusa (Mont.), T. Brown, Ill. Conch. G. B. I. 1827, pI. xxxviii, f. s.-Bulla. 

 Rhinobatus (Rhinobatus), J oh. Mueller & Henle, Syst. Plagiost. (3) 1841, 122. 

 Rhyparochromus, J. Curtis, Brit. Entom. XIII (153) Sept. 1836, no. 612. 

 Rissoa, T. Brown, Trans. Manchester Geol. Soc. I. 1841, 64. 

 Rissoa, F. Cantraine, Bull. Ac. Roy. Brux. IX (2) 1842, 348. 

 Rissoa, T. Brown, Ill. Conch. G. B. I., ed. 2, 1844, Io.-Pyramis, 1827. 

 Rissoa (Bonellia), H. E. Anton, Verz. Conch. 1839, 62. 

 Rissoina, J. Lycett, Ann. Mag. N. H. (2) VI. Dec. 1850, 419. 

 Robulina, A. E. Reuss, Denkschr. k. Ak. Wiss. (Wien) I. 1850 [1849], 369. 

 Rosalina, A. d'Orbigny, Foram. foss. Vienne, Sept. 1846, 179. 

 Sanguinolaria, J. Buckman in Murchison, Outlines Geol. Cheltenham, 18 44, 99. 

 Scalaria, G. B. Sowerby, II., Proc. Zool. Soc. London, XII (132) July 18 44, 29. 

 Scarabaeus, Palisot de B., Ins. Afr. Amér. (-) 1812, 104. 

 Sciomyza, C. F. Fallen, Sciomyz. Sveciae, 1820, 13. 

 Selenophorus, Dejean, Spec. gén. Coléopt. IV. 1829, 130. 

 Sepidium, J. Sturm, Catal. Ins. Samml. 1826, 195 [no n.]. 

 Seriatopora, de Blainville, Diet. Sci. Nat. LX. 1830, 362 [no n.]. 

 Serpula, J. De C. Sowerby, Min. Conch. VI. 1829, 228. 

 Simpulopsis (Sow.), H. Beck, Index Moll. Mus. Ch. Fred. (I) 1837, Ioo.-Succinea. 

 Solen (Lam.), W. Wood, Suppl. Index Test. 1828, 47.- P andora. 

 Sphaerotherium, C. L. Koch, Krit. Revision Insect. Deutschl. 1847, 9 8 . 

 Sphenoptera, Laporte & Gory. H. N. Coléopt. II. 1839, 25. 

 Spirifer, J. Sowerby, Min. Conch. III. 1820, 124. 

 Spiroptera (Froel.), C. A. Rudolphi, Entoz. Syn. Mant. 1819, 27.-Ascaris, 179 1 . 

 Spirostreptus, G. Newport, Ann. Mag. N. H. XIII. Ap. 1844, 270. 

 Steropus, A. D. Hummel, Essais Entom. II (I) 1829, 20. 

 Strombus, W. Wood, Suppl. Index. Test. 1828, 13 [no et j.]. 

 Styliola (Sharp), J. E. Gray, Cat. Moll. ColI. B. M. (2) 1850, I9.-Creseis. 

 Succinea, G. B. Sowerby, I., Gen. of Shells, pI. 172, f. 2, 1822 [no et I.]. 

 Sulcobuccinum (Desh.), A. d'Orbigny, Prodr. Paléont. II [Nov.] 1 8 50, 3 20 & 

 369.-Buccinum. 

 Tachyporus (L.), J. F. Stephens, Nom. Brit. Ins., Aug. 1829, 22.-Staphylinus, 

 Tachys (Sturm), Dejean, Catal. Coléopt. 1821, I6.-Bembidiulll. [1767. 



