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Cincinnati Society of Natural History. 



laws from the Universities of Dublin and Edinburgh. He received 

 from the Academy of Sciences in Paris the Monthyon prize for 

 experimental physiology, and the Cuvier prize ; the Wollaston 

 medal from the Geological Society of London, and the medal of 

 merit from the King of Prussia. In his visits to England he was 

 everywhere received with marked attention, favor and enthusiasm. 

 He was noticed by royalty, entertained by nobility, and, best of 

 all, his great fame, superior knowledge, and genial manner secured 

 for him the friendship of the most eminent naturalists of that 

 country. 



During this period he published, in the transactions of the vari- 

 ous scientific associations of Europe, many papers of great merit, 

 embodying some of the results of his indefatigable investigations. 

 It was through the liberality of Humboldt that he was enabled to 

 begin the publication in 1833, of his great work on fossil fishes, a 

 work of the highest order, comprising five volumes of 1,700 quarto 

 pages, with an atlas of 400 folio plates. He established a great 

 number of species, genera and families, and adopted an entirely new 

 system of classification. He described and figured in natural size, 

 about 1,000 species, with short indications of 700 more. 



In 1836 he published a prodromus of the Echinoderms, or star 

 fishes, followed the next year by a treatise on the fossil Echinoderms 

 of Switzerland, and a year later began the publication of his mono- 

 graphs of living and fossil Echinoderms, a most important contri- 

 bution to modern zoology. In 1839 ne i ssue "d the first part of his 

 great work on the fresh water fishes of Central Europe, containing 

 elaborate descriptions and plates of the genera Salmo and Thymallus. 

 In 1840 he began the publication of his critical studies of fossil mol- 

 lusks, and found time, during all these labors, to produce an anno- 

 tated German translation of " Buckland's Geology," and to revise 

 the German and French translations of " Sowerby's Mineral Con- 

 chology. " 



These were followed in 1842, by his "Nomenclator Zoologicus, " 

 an alphabetical list of every known genus, with the etymology of 

 the names, the names of the authors who first proposed them, the 

 date of their publications, etc., the list embracing more than 1,700 

 names. This work was founded upon the registers in which 



