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Eléments of physics : or , natural philosophy , gênerai and 

 médical; by Neil Arnolt, a new édition revised and corrected 

 froni the last english édition; with additions, by Isaac Hays. 

 Philadelphie, 1841; i vol. in-S". 



A neto map ofthe unitedstates showing also Canada and tlie 

 Jsland of Cuba; by W. Williams. Philadelphie, 1832; I grande 

 carte. 



The Wonders of the Heavens being a popular vieto of nslro- 

 nomy , by Diincan Bradford. Boston, 1837; 1 vol. in-4°. 



