PLATE XLVIII.PLATE XLVIII.PORTION OF A STEER'S HIDE, SHOWING THE TEXAS-FEVER TICK (MARGAROPUS ANNULATUS) OF THE UNITED STATES. NATURAL SIZE. ORIGINAL.
PlateXLVIII. Portion of a steer's hide, showing the Texas-fever tick (Margaropus annulatus). (Natural size. Original.)
PlateXLVIII. Portion of a steer's hide, showing the Texas-fever tick (Margaropus annulatus). (Natural size. Original.)