Leidy, J. (1847). Planaria maculata nov. sp. Proc. Acad. Nat. Sci. Phil., 3: 251-2 Philadelphia 1847. [also published ihn Ann. Mag. Nat. Hist. Ser 2, vol 2: 78-79.]
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Leidy, J.
1847
Planaria maculata nov. sp.
Proc. Acad. Nat. Sci. Phil.
3: 251-2 Philadelphia 1847. [also published ihn Ann. Mag. Nat. Hist. Ser 2, vol 2: 78-79.]