Supplément to a memoir, concerning tlie fascînating faculty, 

 which has bt en ascribed to the Rattle Snake and othcr 

 Aiucrican Serpents. In a ktter to Prof Zimmtrmann. 



Facts , observations and conjectures relt^tive to the génération 

 of the Opossum of North - Atiicrica. In a lettcr irom Prof. 

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A discourse on some of the principal desiderata in natutal 

 histcry , and on the best nicans i f { romotmg the study of 

 this science in tlie united States , by Benj. Smith - Barton. 

 Philad. 1807. 8°. 



Slovnik Jezyka Polskiego , przpz M. Samuela Bogomila Linde. 

 Vol. V. K — T. w Warszawie 1812. 4". 



De summatione serierum secnndum datam legem differ..ntiatarurîi. 

 Auctore C. H. Kupfer. Mitaviae 181 3. 4". 



Chemische Untersuchungen, mineralischer, vegetabilischer und 

 animalischer Substanzen. ô te Fortsetzung des cheniischen 

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British Mineralogy , or coloured figures to elucidate the Mine- 

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 XXIX. i8o5. 



A new elucidation of colours, original, prismalik and material 

 etc. ; by 1. Sowerby. London 180g 4^ 



Observations on the effects of Magnesia, in prcventing an in- 

 creased formation of une acid ; vvith some remarks on the 

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 1810. 4°. 



Additional observations on the effects of Magnesia ; by Wil- 

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Experimcnts to ascertain the state in which spirit exists in 

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Chemical Researches on the blod and some other anijnal 

 fluids , by William Brande. London 181.3. /[". 



Formulae lineavum subtangcntium ac subnoru.alium , tangeiî- 



