X BIBLIOGRAPHY. 



*1842. /. Locke, on Isoteles megistos, in Sillim. Amer. Jour., vol. xlii. No. 2, p. 3GG. 

 Laporte de Castelnau, on the feet of the Trilobites, in L'Institut, 18-11.', p. 74. Extract from it in Leoiili. 



and Bronn, n. Jahrb. 1843, p. 504. 



E. Ekhwahl, die Urwelt, Russlands, II Hft. S. 60, 1842-4 (Metopias, Lichas.) 



*1843. /. Locke, on Ceraurus Crosotus, in Sillhn. Am. Journ. of Sc. and Arts, vol. .\liv. No. 2, p. 346. 



* F. A Römer, die Versteinerungen des Harzgebirges. (The fossils of the Harz.) Hannover, 1843-4. 



* Gohlfiiss, systematische Uebersicht der Trilobiten, und Beschreibung einiger neuen Arten. (Systematic 



review of Trilobites, and description of some new species, in Leonh. and Bronn s n. Jarhb. 1843, 



p. 537. seq. Table IV-VI. 



L. de Castelnau, Essai sur le Systeme Silurien de I'Ameriquc Septentrionale. 1843. 



* J. E. Portlock, Report on the Geology of the county of Londonderry, &c. Dublin, 1843, 8vo, with Plates 



and Map, p. 234-312, pi. I-XI. 

 *1844. S. L. Luven, on Cali/mene clavifrons and Cahjmene ovata, Dalmann ; in Ofvers of Kongl. Vel-Akad. 



Forhandl. 1844, p. 63. 

 * L. de Koninck, Description des Animaux Fossiles, qui se trouvent dans le terrains Carbonifere de Belgique. 



Liege, 1842-44, 4to, p. 595, pi. LIII. 



C.T. Römer, das Rhesnische Uebergangs-gebirge. Hannover, 4to, 1844. 



*1845. H. T. Emmerich, über die TrUobiten, Leonh. and Bronn. Neues Jalirbuch. für Jlineral. &c., S. 18. 



(Translated in Taylor's Scientific Memoirs, part 6th.) 



* S. L. Loveti, über Swedische Trilobiten in Ofvers. K. V. Swed. Forh. 1845, p. 46, and 104, plates I and 11. 



* E Beyrich, liber einige Böhmische Ti-ilobiten. Berlin, 1845, 4to. 



[To the above may be added : 



J. PÄ«7/(/M, Geology of Yorkshire. 4to, 1830. 



Figures and Descriptions of the Palaeozoic Fossils of Cornwall, Devon, and West Somerset. 



London, 8vo, 1841. 

 Vanuxem, Geology of New York. 4to, Albany, 1842. 



E. Emmons, Geology of New York. 4to, 1842. 

 Hall, Geology of New York. 4to, 1843. 



Many of the figures of Trilobites in the New York Geological Reports are copied in the seventh volimie 

 of Sil/imans Journal, 1846. 



F. 3rCo>/, A Synopsis of the Characters of the Carboniferous Fossils of Ireland. Dublin, 4to, 1844. 



R. I. Mxrehison, E. de Verneuil, and A. de Keyserling, Geology of Russia, vol. ii, Paleontology, p. 376, 



plate XXVII. (One new species, Phillijasia Ouralica, is described.) 1845. 

 R. Griffith and F. MCoy, A Synopsis of the Silurian Fossils of Ireland, 4to, 1846. Dublin, 1846. 

 J. Barrande, Notice preliminaire sur le Systeme Silurien et les Trilobites de Bohemie, 8vo, 1846. 

 T. Oldham, on Griffithides glohiceps, in Proceedings of the Dublin Geological Society for 1846, and Plate.] 



