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don, 1846 
Allgemeine Naturgeschichte fur alle Stande. 13 vols. and atlas. Stuttgart, 

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OAVen (R.)' Description of the Skeleton of an Extinct Gigantic Sloth. 4to. Scarce. 
London, 1842 
The principal forms of the Skeleton of the Teeth. London, 1855 
Principes d’Osteologie comparee ou Recherches sur I’Archetypes et les Homo- 
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