D Description of a New Softshell Turtle from the Southeastern United States Robert G. Webb Description of a New Softshell Turtle from the Southeastern United States Robert G. Webb
N Neotropical Bats from Western México Sydney Anderson Neotropical Bats from Western México Sydney Anderson
M Mine Pumping in Agricola's Time and Later Robert P. Multhauf Mine Pumping in Agricola's Time and Later Robert P. Multhauf
W Washington Crossing the Delaware Henry Fisk Carlton Washington Crossing the Delaware Henry Fisk Carlton