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Plicatula, Lamarck, Syst. Anim. t8oi, [33. 



Plicatula, L. V. G. Bosc, s. i Deterville ed. Buffon, Moll. II. 1801, 31». 

 II. Beck, tndex Moll. Mus. Ch. Fred. (1) [838, 101 [». >:.]. 

 • iei & Valenc, II. \. Poiss. VII 1831, ,<■;'. 

 Porania (Leach), J. E. Gray, Ann. Mag. N. II. VI. Dec. iS 4 o, 288. — Asterias, 



Penn. 1777. [— Avicula. 

 Posidonomya (Muenst.). A. .!'< >rl>igny, Prodr. Paleont. I. 1849 [Jan. 1850], 83. 

 Promecoderus (Gray), F. I . Guenn-M., Rev. Zool. (Soc. Cuv.) IV. I ■ 1841, 



189. — Cnemacanthus. 

 1'ro-copKi, K. K. Guerin-M., Iconographie, 1844. [ns. 339. 

 Pteronotus, W. Swainson, Treat. Malacol., May 1840, 296. 

 Pupa, Michaud, Actes Soc. Linn. Bordeaux, X (51) 1838, 154. 

 Pupa, T. Say in Martini & Chemnitz, Syst.Conch. Cab., ed. 2, Pupa (97) 1850, 

 Purpura, L. Reeve, Conch. Icon. III. — Purpura, no. 78, Oct. 1846. [i-3- 



Rhynchomya, J. L. R. Agassiz, Etudes crit. Moll. foss. (3) 1843, [52. 

 Rotalia, A. d'Orbigny, Ann. Sci. Nat. VII (27) Mar. 1826, 272 [«. //.]. 

 Salpa, Quoy & Gaimard, Ann. Sci. Nat. VI (21) Sept. 1825, 40. 

 Salpa, Quoy & Gaimard, Voy. "Uranie" (Zool.) 1825, 506. 

 Sanguinolaria, J. De C. Sowerby, Min. Conch. VI. 1827, 92. 

 Sciaena, G. Shaw, Gen. Zool. (Pisc.) IV (2) 1803, 539. — S. gibba, Forsk. 1775. 

 Scorpaena, J. G. Schneider, Bloch, Syst. Ichth. 1801, 102. 

 Scotera, Esch. ; Dejean, Catal. Coleopt., ed. 2 (3) ante Oct. 1834. i8». 

 Scotera, Eschscholtz in V. v. Motschulsky, Bull. Soc. Imp. Nat. Moscou, XVIII. 

 Scutella, A. Risso, H. N. Europe, V. [826, 284. [1845 (4) 1845, 365. 



Scutella, E. Ravenel. Proc. Acad. Nat. Sci. Philad. II (9) June 1845, 253. 

 Scutellera, Palisot de B., Ins. Afr. Amer. ( — ) 1813-20, 233. 

 Scydmienus, II. R. Schaum, Symb. Mon. Scyd. 1841, 11. 

 Serpula, G. A. Goldfuss, Petref. German. I (3) 1 s 3 1 , 221,1. 

 Solarium, F. W. Hoeninghaus, Jahrb. f. Min. 1831, 141 [//. ».]. 

 Solenastrea, Edwards & Haime, Ann. Sci. Nat. [3] (Zool.) XII. Aug. 1849, '"• 

 Sparus, C. S. Rafinesque-S., Car. n. gen. 1S10. 47. 



Sphaeioma, H. M. Edwards (Rorefs Suite a Buffon),Crustaces, III. 1840, 210. 

 Spondylus, A. d'Orbigny, Pal. Franc., Cret. III (Lam.) 1847, 6j8. 

 Stephanocora (Muenst.), II. G. Bronn, Index Pal. 1848, 1200. — Lithodendron. 

 Stromateus, de Blainville, Verst. Fische, 1823, 41. 



Strombus, H. F. Link, Beschr. Nat. Samml. Univ. Rostock (3) 1S07, 129. 

 Strophomena, T. A. Conrad [5 Ann. Rep. N. Y. Geol. Surv.], Assembl. no. 150, 



1841,54. [69. — Lithodendron. 



Synhelia (Goldf.), Edwards & Haime, C. R. Ac. Sci. (Paris) XXIX. July 1849, 

 Systoma (Merr.), [. Wagler, Nat. Syst. Amph. 1830, 205.— Breviceps. 

 Syston.us, J. M'Clelland, Asiat. Researches, XIX (2) 1839, 286. 

 Tellinomya, J. Hall, N. H. New York (Pal. I.) 1S47, "53- 

 Tenthredo, C. F. Fallen, K. Vet. Ac. Nya Handl. XXIX 121 1808, 113. 

 Tentyria, Gebler, N. Mem. Soc. Imp. Nat. Moscou, I. 1829, 87. 

 Tetragnatha, Walckenaer, Ann. Soc. Ent. France [2] V (3) Nov. 1S47, p. lxiv. 

 Textularia, A. d'Orbigny, Ann. Sci. Xat. VII (27) Mar. 1S26. 262. 

 Thaumantias, E. Forbes, Mon. Brit. Medusae (Ray Soc.) 1848, 47. 

 Thracia, A. d'Orbigny, Pal. Franc., Cret. III (Lam.) 1845, 388. 

 Triarthrus (Brongn.), J. Green, Amer. J. Sci. XXXIII (2) Jan. 1838, 344.— 



Paradoxides. 

 Trichocephalus, C. A. Rudolphi, Entoz. Syn. Mant. [819, 639. 

 Trigonia, J. Sowerhy, Min. Conch. III. 1819, 61. 

 Trinucleus, G. v. Muenster, Beitr. zur Petref. (3) 1840. 47. 

 Triton, W. J. Broderip, Proc. Zool. Soc. London, I (1-3) May 1833, 7. 

 Tritonia, A. Risso, Journ. de Physique, LXXXVII. Nov. 1818, 371. 

 Turbo (Thor.), A. d'Orbigny, Prodr. Paleont. I. 1849 [Jan. 1850], 26J.— Del- 



phinula. 

 Ultimus (L.), Denys de Montfort, Conch. II. 1810, 643.— Bulla, 1758. 



