Simplify the following text for a Grade 7 native English-speaking person.
Original: Paris : Veuve Agasse ( 1820 ) , and Dictionnaire des Sciences Naturelles ( 1816 â `` 30 , with AndrÃ Marie Constant DumÃ ril ) .
Simplified: Desmarest published ' ( 1805 ) , ' ( 1825 ) , ' ( 1820 ) and ' ( 1816 â `` 30 , with AndrÃ Marie Constant DumÃ ril ) .