Xanthus attended the Pennsylvania Academy of the Fine Arts .
Mary exhibited her paintings of rabbits , chicks , and other animals there 1859 to 1869 , and again between 1876 and 1878 .
Xanthus attended the Pennsylvania Academy of the Fine Arts and Mary exhibited her paintings of rabbits , chicks , and other animals there 1859 to 1869 , and again between 1876 and 1878 .