They include an important work on Indian fish species, entitled "An account of the fishes found in the river Ganges and its branches" (1822), which describes over 100 species not formerly recognised scientifically.
Среди этих отчётов — описания видов индийских рыб, озаглавленные «О рыбах Ганга и его рукавов» ("An account of the fishes found in the river Ganges and its branches", 1822).