8l2 



decurtatus— decussatus 



decurtata 

 decurtata 



decurtata 

 decurtata 

 decurtata 

 decurtata 

 decurtella 

 decurtella 



decurtata Lutraria (Phil.), G. A. Goldfuss, Petref. German. II (7) 1840, 457.— Amphi- 

 decurtatus Malleus, Lamarck, An. s. vert. VI (1) 1 s 1 v . 145. [desma. 



decurtata Mitra, L. Reeve, Conch. Icon. II. — Mitra, no. 154. Nov. [844. 

 decurtata Mniotilta (Bonap.), G. R. Gray, Gen. Bii Is, I Dec. [848, 196.— Sylvicola. 

 decurtatus Pachymerus, Herrich-S., Wanzenart. Ins. IV (1) May 1837, 10. 

 decurtata Pachysylvia, C. L. Bonaparte, I onsp. gen. Avium, I. [850, 309. - 



[838. [Lutraria. 



I':mn|,aca IGoldf.), A. d'Orbigny, Prodr. Paleont. I. 1849 I l.ui. 1830], 273. — 

 Paleont. I. [849 [Jan. 1850], .104.— 

 Amphidesma. 

 Pleuromya(PhiIl.),J. L. R. '. I crit. Moll. foss.( 4 ) 1845, 234.— 



Sylvicola, C. L. B 1 \ Ann. Sci. Nat. 11. 1838, 346. [Amphidesma. 



. L. Bonaparte, Proi . Zool. S01 . London, V (59) Jui 

 1. II. Girard, X. Jahrb. 1. Min. 1S43, 474. 

 1. J. Huebner, Verz. bekannt. Schmetl. 1826, 424. — Tinea. 

 Tinea. J. Huebner, Europ. Schmett., Tab.Tinea, 45 (Fernaldo judice 1S11-17) 

 [«. etf.]. 

 Decurus B. H. Ho i iengal, X. 1841 (post 7 Ap.), 28.— A. 



decurvatus Platyg: v. E., Hymenopt. Ichn. aff. II. [834, .',0.5. 



decurvatus Unio. E. A. Rossmaessler, Icones L. u. S. Moll. Furop. I (2) Aug. 1835, 72. 

 F.ana (Fab.), [. \V. Zetterstedt, Ins. Lapp. descr. 1839, 984. — Pyralis, 1775. 

 ; Bulimus (Partula), L. Pfeiffer, Proc. Zool. Soc. London, XVII (198) [an.- 

 june. i.Sio. 131. 



■I " 1849, 4. LlSzo. 



Partula, L. Reeve ( - Pfeiffei MS), C mch. I, on. VI.— Partula, no. 23, May 

 Tellina, I 1 ton Soc. N. H. II. iS 4 s (1845), 10. 



Theba, Meg.; II. Beck, Index Moll. Mus. Ch. Fred. 111 1837, n. 

 Amnionites. M. Simpson, Mon. Amni. 1843, :. ; . 



Amphidesma (Wood), J. E. Gray, Ann. Phil. XXV. 1825, [35.— Tellina. 

 Amphidesma, W. Bean, Mag. Nat. Hist., n. s., III. Feb. [839, jy. [445- 

 Ampullaria. S. Moricand, Mem. Soc. Phys. II. N. Geneve, VII (2) 1836, 

 Antrostomus (Tschudi), C. L. Bonaparte, Consp. gen. Avium, I. 1850, 61. 



decussatulum 



decussatula 



decussatula 



decussatula 



decussatus 



decussatum 



decussatum 



decussata 



decussatus 



decussata 

 decL 



decussata 

 decussata 



de< 



dect 



decussata 



decussatus 



decussata 



decussata 



decussatus 



decussatus 



decussatus 



decussatum 



decussatum 



decussatus 



decussatus 



dei ussata 



decussata 



decussata 



. Brux. \'I (2) 1839, 403. 

 II.— Arca, no. 81, Mar. 



834, 10 [«.«.]. 

 Carb. Lst. foss. 



Ireland, 1844, 



ipL P l. 

 1842, 



. Westen lorp, Bull. Ac. Rc 

 ■ I. L. Reeve, Conch. Icon. 



Byssoarca. 

 Astarte, G. v. Muenster, N. [ahrb. f. Min. 

 Athyris 1- riffith, Sj 



147. — Atrypa. 

 Atrypa, J. De C. Sowerby, Tr. Geol. Soc. London [2] V. iS 4 c 

 Atrypa (Ph.), F. M'Coy in Griffith, Not. foss. Mtn. Lst. Irela 



— Spirifera. 

 Avicula, Muenster in G. A. Goldfuss, Petref. German. II U) 1836, 128. 

 Avicula, T. Hall, N. H. New York (Geol. 4 dist.) 1843. 203. 

 Avicula. A. d'Orbigny, Prodr. Paleont. I. 1849 [Jan. 1850], 284. 

 Bellerophon, J. Fleming, Hist. Brit. Anim. 1828, 338. 

 Borsonia, E. Beyrich, Ber. Verh. k. pr. Ak. Wiss. 1847, lf ' 2 ["• «•]■ 

 Borsonia, E. Beyrich, Arch. f. Min.. XXII. 1848, 34. 

 Brachyorrhos, Kuhl in Ferussac, Bull. Sci. IX. 1826, 236. 

 Brachysphoenus, T. Lacordaire, Mon. Erotyl., Sept. [842, 298, 

 Buccinites, F;. F. v. Schlotheim, Die Petref. 1S20. 132. 



Buccinum, Lamarck \non Gni.], Ann. Mus. H. N. (Paris) II (2) June 1803, 

 Buccinum, L. C. Kiener, Spec. Coquilles (Buccinum) 1841, 109. [ifi;. 



Bulimus, Lamarck. Ann. Mus. H. N. (Paris) IV (22) June 1804, 294- 

 Bulimus, L. Reeve, Conch. Icon. V. — Bulimus, no. ;iy. h.h [849. 

 Bulla, W. Wood, Sui.pl. Index Test. 1828, 9 [». etf.\ 

 Bulla, A. Adams in G. B. Sowerby, II. Thes. Conch. II (11) 1850, ;y 4 . 



.ol. Soc. London, I (1-3) May 1833, [8. 



