Distribution of the Delmarva Fox Squirrel (Sciurus niger cinereus) in Maryland
Tài liệu tham khảo
ABBOTT, C. C. 1890.In J. Nelson (ed.), The Geological Survey of New Jersey, 1890, Vol. 2, part 2:500. The John Murphy Co., Trenton.
BARKALOW, F. S., JR. 1956.Sciurus niger cinereus. Linné Neotype Designation.Proc. Bio. Soc. Washington. 69:13–20.
DOZIER, H. L., and H. E. HALL, 1944. Observations on the Bryant Fox Squirrel.Maryland Conservationist 21(1):2–7.
POOLE, E. L. 1944. The technical names of the northeastern fox squirrels.J. Mammal. 25(3):315–317.
RHOADS, S. N. 1903. The mammals of Pennsylvania and New Jersey. Privately published, Philadelphia.