tenue 

 tenue 

 tenuis 



tenuis 

 tenuis 

 tenuis 

 tenue 

 tenue 

 tenuis 

 tenue 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenue 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 



tenuis 

 tenue 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 

 tenuis 



tenuis 

 tenuis 

 tenuis 



tenuis 



64 2 3 



Cybium, J. L. R. Agassiz, Poiss. Foss. IV., 42 (I835) [no n.]. 

 Cyclostoma, G. B. Sowerby, 1., Thes. Conch. I (3) ante 23 June 1843, 138. 

 Cyrena, 'Y. Dunker, Stud. Goetting. Yer. bergm. Freunde, V (2) [1843], 157; 

 Xorddeutsch. \Yälderthon, 1843, 30; :\Ion. 
orddeutsch. \Yeald. 1846, 38. 

 Cyrtogaster, F. \Valker, Entom. :\Iag. I (4) July 18 33, 3 8 4. 

 Cytherina, A. E. Reuss, Xaturw. Abhandl. (Haidinger) III (I) 18 5 0 , 53. 

 Dasypogon, J. :\Iacquart, :\Iém. Soc. R. Sci. Lille, 18 3 8 (3) 1839, 15 8 . 

 Dentalium, J. E. Portlock, Rept. Geol. Londonderry, Jan. 1843, 118. 

 Dentalium, 
Iuenster in G. A. Goldfuss, Petref. German. III (8) 1844, 2. 

 Dercetis, F. J. Pictet, :\Iém. Soc. Phys. H. X. Genève, XII (2) 18 51, 319. 

 Diadema, L. Agassiz, Cat. Ect. Ech. 1840, 8; Ann. Sci. 
at. [3] (Zoo1.) YI. Xov. 

 Diastopora, A. d'Orbigny, Prodr. Paléont. II [Xov.] 18 5 0 , 55. [1846, 347. 

 Dilophus, Hoffmannsegg in J. \V. :\Ieigen, Syst. Beschr. ZweifL Insekt. 1. 1818, 308. 

 Dircaea, 'Y. G. Rosenhauer, Beitr. Ins.-Faun. Europ. 18 47, 34. 

 Dispharagus, F. Dujardin (Roret's Suite à Buffon), Hehninthes, 1845 [Xov. 1844), 

 Dolium, C. T. :\Ienke, Syn. meth. :\1011., ed. 2, 18 3 0 , 143. [73. 

 Dvsopes (Horsf.), C. J. Temminck, :\Ion. :\Iamm. I. 1826, 228.-Xyctinomus. 

 Emarginula, C. 6-\. Réc1uz, Rev. Zoo1. (Soc. Cuv.) VI. Aug. 1843, 234. 

 Enr.yrtus, J. T. C. Ratzeburg, Die Ichneum. II. 18 4 8 , 14.9. 

 Eschara, F. v. Hagenow, X. Jahrb. f. :\Iin. 1840, 645. 

 Eucoleus, F. Dujardin (Roret's Suite à Buffon), Helminthes, 1845 [
ov. 1844], 24. 

 Eumecus (Stev.), \.. v. :\Iochulski, Kaefer RussI., þost 
Iay 1850, 4.-? ubi. 

 Fistulana, A. E. Reuss, Verst. boehm. Kreidef. II. 1846, 19. 

 Fistularia, Quoy & Gaimard in d'Crville, Yoy. "Astrolabe," Zool. IV. 1833, 129. 

 Formica, J. C. Fabricius, Syst. Piezat. 180 4, 405. 

 Frondicularia, A. E. Reuss, \.erst. boehm. Kreidef. I. 1845, 30. 

 Fungia, J. D. Dana, \\ïlkes, U. S. Exped., Zooph., c. :\Iar. 1848, 290. 

 Fusus, G. P. Deshayes, Descr. Coq. foss. Paris, II. 18 35, 555. 

 Gadus, S. L. :\Iitchill, Rept. Fishes X. York, Jan. 181 4, 5. 

 Gastrochaena (Reuss), _-\. d'Orbigny, Pro dr. Paléont. II [Xov.] 1850, 235.- 

 Fistulana. 

 Gerbillus, A. Smith, Ill. Zoo1. S. Afr. Olamm.), pI. xxxvi (1842). 

 Grammostomum, C. G. Ehrenberg, Abh. ph.-Kl. K. pro Ak. \Yiss. 1841 (1843), 427. 

 Gregarina (Hamm.), A. de Frantzius, De Gregarinis, 1846, 26.-Clepsidrina. 

 Hamites, J. Sowerby, 
Iin. Conch. I. 181.4-, 136. 

 Helicella (Gm.), H. Beck, Index 
Ioll. 
Ius. Ch. Fred. (I) I83ï, 6.-Helh., 1790. 

 Helicina, L. Pfeiffer, Proc. Zool. Soc. London, X\ì (188) Ap. 25, 1849, 124. 

 Helicina, C. B. Adams, Contr. to Conch. (I) Sept. I
49, 14. 

 Helix, L. Pfeiffer, Proc. Zoo1. Soc. London, XIII (146) Aug. I8.t.5, 41. 

 Hexaplex, G. Perry, Conchology, Ap. 18II, pI. 8. 

 Hinulia, J. E. Gray, Cat. Lizards Coli. B. :\1. 1845, -6.-Tiliqua, 1830. 

 Hirudella, G. v. 
Iuenster, Beitr. zur Petref. (5) 18 42, 99. 

 Homalota, O. Heer, Coleopt. HeJvet. (2) 1839, 340. 

 Hoplophora, :\1. Perty, Del. animo artic. Brasil. (3) 1833, 127. 

 Hybodus, J. L. R. Agassiz, Poi:;s. Foss. ilL, 54 (1837). 

 Hydraena, J. L. Leconte in 6-\gassiz, Lake Superior, 1850, 217 [n. n.]. 

 Inoceramus, G. A. :\Iante11, Foss. South Downs, 
Iay 1822, 132. [1792. 

 Ischnosoma (Fab.), J. F. Stephens, Xom. Brit. Ins., Aug. 1829, 22.-Staphylinus, 

 Jassus, E. F. Germar, :\Iag. Entom. (Germar) 1\.. 1821, 92. 

 Keriyoula (Temm.), J. E. Gray, Ann. :\Iag. X. H. X. Dec. 1842, 258.-Vespertilio. 

 Leiolaemus (D. & B.), J. E. Gray, Cat. Lizards Coli. B. 
I. 1845, 2I4.-Proctotretus. 

 Lepralia, A. H. Hassall, Ann. 
lag. X. H. IX. July 1842, 4 1 2. 

 Leptaena Plorris), 6-\' d'Orbigny, Prodr. Paléont. I. 1849 [Jan. 1850], 90.-0rthis. 

 Leptoria (Dana), Edwards & Haime, .-\nn. Sci. Xat. (Zoo1.) [3] X. 1849, 292.- 

 :\Ieandrina. 

 Lignus, J. E. Gray, Proc. Zool. Soc. London, II (19) Xov. 1834, 66. 

 Ligula, G. )lontagu, Test. Brit. Supp!. 1808, 23.-
Iactra, 1803. 

 Limicolarius (Gray), H. Beck, Index 'loll. :\Ius. Ch. Fred. (I) 183
, 60.-Lignus. 



IXDEX A
DI. II. 



4 0 3 



