megaspira Turritella, F. :\l'Coy in Griffith, Not. foss. l\ltn. Lst. Ireland, 1842, 20 [n. n.]; 

 Syn. Carbo Lst. foss. Ireland, 1844, 31. 

 megaspira Voluta, G. B. Sowerby, I., Proc. Zoo1. Soc. London, XII (139) Dec. 1844, 150. 

 Megaspis J. l\lacq uart, 
lém. Soc. R. Sci. Lille, 184 I (I) 1842, 87.-Dipt. 

 megaspis Ixa, A. \Vhite, List Crustacea ColI. B. :M. 1847, 129. 

 Megasternon J. E. Gray, Syn. Cont. B. :\1., ed. 44, 1842, 108.-R. [n. n.]. 

 Megasternum E. ?\Iulsant, H. 
. Coléopt. France (Palp.) 
lay 1844, I8].-Co1. 

 Megasthenes J. GistI, Kat. Thierr. 1848, II6.-Col. 

 Megasthenes J. Gistl, Handb. Naturges. 1850 [1847], 379.-Col. 

 Megastigmus J. \"Y. Dalman, K. Vet. Ac. Handl. 1820 (I) 1820, 1]8.-Hym. 

 megastigma Grammostomum, C. G. Ehrenberg, Ber. Verh. k. pro Ak. Wiss. 1 8 45, 369. 

 megastigmus Psocus, J. F. Stephens, Nom. Brit. Ins., ed. 2, July 1833, u6 [no n.]; Ill. 

 Brit. Ent. (l\land. VI) June 1836, 120. 

 C. S. Rafinesque, Specchio Sci. II (12) Dec. 18r1, 165.- u fam. dubia." 

 C. S. Rafìnesque, Journ. de Physique, LXXX I X. Aug. 1819, IS3.-Coel. 

 W. Swainson, K. H. Classif. Birds, II. June 1837, 225.-A. 

 O. G. Costa, ..\tti Accad. Pontan. V (5) 1850, 287.-P. 

 ::\Iegerle, Cat. ::\IS; Scudder, Suppl. List, 1882, 204.-
loll. 

 Alveolites, J. Steininger, Verst. Uebergangsgeb. Eifel, 1849, II. 

 Ampullaria, G. B. Sowerby, I., Cat. Shells Tankerville, 1825, App. p. x. 

 Berenicea, F. l\I'Coy in Griffith, Kot. foss. l\ltn. Lst. Ireland, 1842, 10 

 [11. n.]; Syn. Carbo Lst. foss. Ireland, 1844, 195. 

 megastoma Calamopora, J. Phillips, Geol. Yorksh. II. 1836,201. 

 megastomus Catostomus, C. S. Rafinesque, Western Review, II (S) June 1820, 306; 

 Ichth. Ohiensis [Dec.] 1820, 59. 

 Cellepora, Desmarest & Lesueur, Bull. Sci. Soc. Philom. Paris, 1814 (Sept.), 

 54. 

 Chetetes (l\I'Coy), A. d'Orbigny, Prodr. Paléont. I. 1849 [Jan. 1850],161.- 

 Berenicea. 

 Dendropora, F. :\I'Coy, Ann. Mag. N. H. (2) III. Feb. 1849, 129. 

 Distoma, C. A. Rudolphi, Entoz. Syn. :\lant. 1819, 102. 

 Echinometra, J. ::\I'Clelland, Calcutta Journ. Nat. Hist. I (2) July 18 4 0 ,181. 

 Favosites (Ph.), J. :\Iorris, Cat. Brit. Foss. 1843, 36.-Calamopora. 

 Flustra, Lamouroux in Quoy &. Gaimard, Voy. "Uranie" (Zool.) 1825, 

 6 0 4. 

 Helicina, C. B. Adams, Contr. to Conch. (1) Sept. 1 8 49, 14. 

 Manon, F. _\. Roemer, Verst. N"orddeutsch. Kreidegeb. (I) 18 4 0 , 3. 

 Opsarius, J. :\I'Clelland, Asiat. Researches, XIX (2) 1839,298. 

 Pentastoma, C. :\1. Diesing, Ann. Wiener Mus. I [I] 1835, 23. 

 Planorbis, J. E. De Kay, N. H. New York Ploll.) 1 8 43,61. 

 Pleuronectes, E. Donovan, N. H. British Fishes, IV., pI. 51 ( 180 4). 

 Plotosus, J. Richardson, Zool. "Ereb. Terr." (Fishes, 1 8 45), 31. 

 Porites, F. l\l'Coy in Griffith, Syn. Silurian foss. Ireland, 1846, 62. 

 Rana, J. B. v. Spix, Ranar. Brasil. 1824, 3. 

 Rhabdopora pt'Coy), Edwards & Haime, C. R. Ac. Sci. (Paris) XXIX. 

 Sept. 1849, 262.-Dendropora. 

 Spiroptera, C. A. Rudolphi, Entoz. Syn. Mant. 1819, 22. 

 Spirura (Rud.), E. Blanchard, Ann. Sci. Nat. [3] (Zool.) XI. :\Iar. 18 49, 

 164.-Spiroptera. 

 megastoma Stombus (Spix), Gravenhorst, Isis (Oken), 1825, 9.2I.-Rana. 

 megastoma Taenia, C. 1\1. Diesing, Syst. Helminth. I. 1850, 503. 

 megastoma Yincularia, F. ::\I'Coy in Griffith, Syn. Carbo Lst. foss. Ireland, 1844, 19 8 . 

 megastoma Vitrinella, C. B. Adams, :\[on. \Titrin. 1850, 7. 

 Megastrix J. J. Kaup, Isis (Oken), 18 4 8 , 770.-A. 

 megastropha Yenericardia, J. E. Gray, Ann. Phil. XXV. Feb. 1825, 137. 

 Megastylus G. Schiodte, Rev. Zoo1. (Soc. Cuv.) July 1838, 13<).-Hym. 

 Megastylus Chaudoir, 1842; sic Agassiz, sed l\Iegalostylus, q. v. 

 megastylus Cyathocrinus, J. Phillips, Figs. descr. Pal. foss. Cornwall, 184 1 , 32. 



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