Tellina, J. Sowerby, 
Iin. Conch. II. 1817, 175. 

 Tenthredo (Allantus), F. Klug, Ges. Xat. Fr. Berlin, Mag. VIII (I) 1816, 55. 

 Tenthredo (Allantus), F. Klug, Ges. :r-; at. Fr. Berlin, 
Iag. VIII (3) 1817, 2II. 

 Terebellum, J. De C. Sowerby, Tr. Geo1. Soc. London [2] V. 1840, exp1. pI. xxvi. 

 Terebratula, J. Sowerby, Tr. Linn. Soc. London, XII (2) 1819, 516. 

 Terebratula, J. De C. Sowerby, 
Iin. Conch. V. 1823, 53. 

 Tetragnatha, C. L. Koch, Uebers. Arachnidensyst. I. 1837, 5. 

 Tettigonia (Fab.), W. F. Erichson in R. Schomburgk, Reisen Brit.-Guiana, III. 

 1848, 616.-Cicada, 1787. 

 obtusa Textularia, A. d'Orbigny, Ann. Sci. Nat. VII (27) l\Iar. 1826, 262. 

 obtusus Throscus, J. Curtis (ex \Vestwood 
IS), Brit. Entom. IV (41) :ðlay 1827, no. 163. 

 obtusus Thylacites, Fab.; Dejean, Catal. Coléopt. 1821, 95 [no n.]. 

 obtusus Trechus, 'V. F. Erichson, Käfer :\Iark Brand. I (I) 1837, 122. 

 obtusum Trichosoma, C. A. Rudolphi, Entoz. Syn. Mant. 1819, 13. 

 obtusus Trochus, L. W. Dillwyn (ex Chemn.), Catal. Shells, 1817, 809. 

 obtusus Turbo, J. De C. Sowerby, l\Iin. Conch. VI. 1827, 97. 

 obtusus Turbo, A. d'Orbigny, Pal. Franç., Crét. II (Gast.) 1843, 230. 

 obtusus Turbo, A. E. Reuss, Verst. boehm. Kreidef. I. 1845, 48. 

 obtusa Turritella, L. A. G. Bosc, s. à Deterville ed. Buffon, 
1011. IV. 1801, 82. 

 obtusus enio, 1. Lea, P. Amer. Phil. Soc. I (13) Oct. 1840, 287. 

 obtusus Uraster, E. Forbes, ::\[em. Geo!. Surv. Gt Britain, II (2) 1848, 463. [stoma. 

 obtusa Valvata (Drap.), C. Pfeiffer, Naturg. deutsch. land-Moll. (I) 1821, 98.-Cyclo- 

 obtusa. Venus, J. De C. Sowerby, Tr. Geol. Soc. London [2] III. 1832, 420 [no et I.]. 

 obtusa Vitrina (Sow.), L. Pfeiffer, Symb. Helic. II. 1842, 62.-Succinea. 

 obtusa. \Va1ckenaeria, J. Blackwall, Lond. & Edinb. Phil. Mag., 3rd sere VIII (49) June 

 obtusus Zercon, C. L. Koch, Deutsch. Crust., heft 27, 1838, tab. 13. [1836, 482. 

 obtutata v. obtusata. 

 oburnbratus Baridius, Boheman in C. J. Schoenherr, Gen. et Sp. Curc. VIII (I) 1844, 147. 

 obvallatus Helicites, G. \Vahlenberg, X. Acta Soc. Sci. Upsal. VIII. 1821 [sep. 181 9], 73. 

 obvelata Ascaris, K. A. Rudolphi, Archiv Zoo1. (\Viedemann) II (2) 1802, 18. 

 obvelatum Buccinum, G. P. Deshayes in Laborde, Voy. Arab. Pétrée, 1830, 66. 

 obvelata Cypraea, Lamarck, Ann. l\Ius. H. X. (Paris) XVI (92) post Oct. 1810, 102. 

 obvelata Fusaria, J. G. H. Zeder, Anleit. Eingeweidewürm. 1803, 108. 

 obvelata Oxyuris (Rud.), E. Deslongcharnps, Ency. )'Iéth. (Zooph.) 1827, 599.-Ascaris. 

 obvelatus Prionodon, A. Valenciennes in Webb & Berthelot, Canaries (Ich.) 1843, 103. 

 obvelata Spiroptera, F. C. H. Creplin, Obs. de Entozois (1) 1825, 10. 

 obversa. Physalia, V. Hasselt, Algem. Konst. Letter-Bode, 1822 (44) Oct. 1822, 277. 

 obvia Helicella (Ziegl.), J. D. \V. Hartmann, Erd- u. Süssw. Gast. (5, 6) 1842, I48.-Helix. 

 obvia Helix, Ziegler in C. T. Menke, Syn. meth. Moll. 1828, 13. 

 obvia Theba (Ziegl.), H. Beck, Index Moll. 
Ius. Ch. Fred. (I) 1837, I3.-Helix. 

 obvolitans pteromalus, A. Foerster, Beitr. )Ionogr. Pteromal. 18 4 1 , 25. 

 Obvoluta Megerle, Cat. :\ISS; Scudder, Suppl. List, 1882, 229.- G . 

 obvoluta Amphibola, J. H. Jonas, Proc. Zool. Soc. London, XIV (157) 
Iay 18 46, 35. 

 obvolutus Brephulus (Zieg1.), H. Beck, Index .Moll. )'Ius. Ch. Fred. (I) 1837, 72.-? Helix, 

 l\{üll. 1774. 

 Catopyga, Fonscolombe, Rev. et Mag. de Zoo!. (2) I. Dec. 1849, 623. 

 Euphemia plüll.), H. Beck, Amt. Ber. 24 Vers. Deutsch. Naturf. 1846 (1847), 

 I22.-Helix, 1774. 

 Formica, O. Heer, X. D. Allg. Schweiz. Gesellsch. XI. 1850 [1849], 141. 

 Gonostoma (l\1üll.), F. Held, Isis (Oken), 18 37, 9 I 5.- H elh, 177{. 

 Halysis, J. G. H. Zeder, Anleit. Eingeweidewürm. 180 3, 351. 

 Helix (Helicodonta), l\[üll.; A. E. Férussac, H. N. g. et p. 
Ioll., Tabl. Limaçons, 

 1821, 38. 

 Planorbis (L.), J. L. )1. Poiret, Coq. Aisne, 1801, 89.-Helix, ? )'Iüll. 1774. 

 Polygyra (Sturm), J. E. Gray, Figs. )[011. Anim. IV. 1850, II4.-Helix, l\[üll. 

 Terebellum, AI. Brongniart, 
Iém. terr. Vicentin, 1823, 62. [1774. 

 Trigonostoma (:\Iüll.), L. J. Fitzinger, Beitr. Landesk. Oesterr. Enns (Ver. 

 Vater!. Gesch. \Vien) III. 1833, 98.-Helix, 1774- 



obtusa 

 obtusa 

 obtusa 

 obtusurn 

 obtusa 

 obtusa 

 obtusa 

 obtusa 



obvoluta 

 obvoluta 



obvoluta 

 obvoluta 

 obvoluta 

 obvoluta 



obvolutus 

 obvoluta 

 obvolutum 

 obvolutum 



obtusus--obvolutus 



45 0 9 



