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Lutraria, J. De C Sowerby, Tr. Geol. Soc. London [2] IIL 1832, 419 [«. et f.\ 

 Mactra (Roem.), A. d'Orbigny, Prodr. Pale'ont. II [Nov.] 1850, 49. — Tellina. 

 Madrepora, J. D. Dana, Wilkes, U. S. Exped., Zooph., c. Mar. 1848, 449. 

 Michelinia, A. d'Orbigny, Prodr. Paleont. I. 1849 [J^"- 1850], 107. 

 Microdera (Tausch.), F. Eschscholtz, Zool. Atlas, IV. 1831, 6. — Tentyria. 

 Millericrinus, A. d'Orbigny, Prodr. Paleont. I. 1849 [Jan. 1850], 383. 

 Miscogaster, F. Walker, Entom. Mag. I (5) Oct. 1833, 463. 

 Montlivaltia (Ph.). A. d'Orbigny, Prodr. Paleont. I. 1849 [Jan. 1850], 292.— 

 Mya, W. Wood, General Conch. 1815, 92. [Caryophyllia. 



Mygale, C. L. Koch, Die Arachniden, IX (6) 1842, 91. 

 Neritina, Nuttall in J. C. Jay, Cat. Shells, ed. 3, 1839, 66 [«. n.\ 

 Nesaea, C L. Koch, Deutsch. Crust., heft 8, 1836, tab. 14. 

 Nitidula, Schtipp. ; J. Sturm, Catal. Ins. Samml. 1826. 174. 

 Nolhrus, C L. Koch, Deutsch. Crust., heft 29, 1839, ^'^- ^- 

 Nucleolites, T. A. CatuUo, Giorn. di Fisica, etc. (2) V. 1S22, 423. 

 Nucula,G. B. Sowerby, I., Conch. Illustr. (16) 1833, f. 22 ; Catai. (200) 1841, 5. 

 Ocypode, Quoy & Gaimard, Voy. "Uranie" (Zool.) 1825, 525. 

 Ocypode (Chasmagnathus), W. de Haan in Siebold, F. Japon. (Crust. 1835), 56. 

 Opatrinus, L. Fairmaire, Rev. et Mag. de Zool. (2) I. Aug. 1849, 417. 

 Opilio, C L. Koch in Panzer, Ins. Germ., heft 128, 1834-35, tab. 19. 

 Orthambonites, C H. Pander, Beitr. Geogn. Russ. Reich. 1830, 82. 

 Orthocera, J. Fleming, Ann. Phil. V. Mar. 1815, 202. 

 ■Ostrea, T. Say, Amer. J. Sci. II (i) Ap. 1820, 42. 

 Ostrea, M. de Serres, Ann. Sci. Nat. [2] (Zool.) XX. Sept. 1843, 159. 

 Oxycarenus, F. X. Fieber, Beitr. ges. Nat. Heilwiss. I (3) 1837, 345. 

 Pannophorus, Quoy & Gaimard in d'UrvilIe, Voy. "Astrolabe," Zool. III 

 (1834), 322. [1817, 142. 



Passalus, Dalman in C J. Schoenherr, Syn. Insect. I (3) 1817, 333; & App. 

 Pecten, Quoy & Gaimard in d'Urville, Voy. "Astrolabe," Zool. III (1835), 443. 

 Pecten, J. Hall, N. H. New York (Geol. 4 dist.) 1843, 265. 

 Phanerotoma, A. J. J. Solier, Mem. R. Acc. Sci. Torino [2] VI. 1S44, 303. 

 Phasia, J. W. Zetterstedt, Dipt. Scand. III. 1844, 1256. 

 Phora, J. F. Stephens, Nom. Brit. Ins., Aug. 1829, 62 [«. n.\ 

 Phygas, V. v. Mochulski, Kaefer Russl., posl May 1850, 23 [«. n.\ 

 Pimelia, W. Tuiton, Linnaeus, Syst. Nat. II. 1802, 489. 

 Platysma, F. Gebler, Bull. Soc. Imp. Nat. Moscou, XX. 1847 (2) 1847, 337. 

 Plectambonites, C H. Pander, Beitr. Geogn. Russ. Reich. 1830, 91. 

 Polyphillastrea, A. d'Orbigny, Rev. et Mag. de Zool. (2) II. Mar. 1850, 179. 

 Portunus (Pontus), W. de Haan in Siebold, F. Japon. (Crust. 1S33), 9. 

 Pristonychus, F. A. Kolenati, Melet. Entom. (i) Aug. 1845, 40. 

 Productus, C H. Pander, Beitr. Geogn. Russ. Reich. 1830, 88. 

 Proetus, Hawle & Corda, Prod. Mon. bohm. Trilob. 1847, 77. 

 Pronites, C H. Pander, Beitr. Geogn. Russ. Reich. 1830, 72. 

 Rhynchaenus, A. G. Olivier, Entom. V. 1807, 176. — Curculio, 1790. 

 Rutela (01.), Lamarck, An. s. vert. IV. 1817, 590. — Cetonia, 1789. 

 Scaphidium, F. V. Melsheimer, Ins. Pennsyl. 1806, 13 [«. n.\ 

 Scaphisoma (Melsh.), T. Say, J. Acad. Nat. Sci. Philad. V. Dec. 1825, 183.— 

 Seladerma, F. Walker, Entom. Mag. II (3) July 1834, 290. [Scaphidium. 



Sigaretus, H. D. de Blainville, Dict. Sci. Nat. XXXII. 1824, 259. 

 Sphaerotherium, C L. Koch, Krit. Revision Insect. Deutschl. 1847, 100. 

 Sponsor, Laporte & Gory, H. N. Coleopt. II. 1839, ^- 

 Stenostoma, Rafmesque, Enum. obj. Cab., Nov. 1831, 3. 



Stenotrema, C S. Rafinesque, Journ. de Physique, LXXXVIII. June 1819, 425. 

 Steropus, M. de Chaudoir, BuII. Soc. Imp. Nat. Moscou, XVI. 1S43 (4) i^43> 



convexa 

 convexa 



Strangalia, J. L. Le Conte, Journ. Acad. Nat. Sci. Philad. I (4) Jan. i!^50, 332. 

 Strophomena, D. D. Owen, Rep. geol. expl. lowa, 1839 (^. S. Senate, 28 

 Congr. Sess. i, no. 407) 1844, 70. 



