As Detective Bonasera and Dr. Hammerback are examining the corpse the placement of the corpse's hair goes from spread out on the exam table to tucked in behind as is clearly shown in the autopsy video monitor.
A bullet pulled out of the mattress was referred to as "41 mm". That would be almost 1.75 inches in diameter. Most likely they intended it to be .41 caliber. The .41 AE caliber is not a very common round, however.
Lindsay states that the red dust found in one of the "Holly's" eyes is "red chrome pyrope," going on to demonstrate its optic properties and claiming that as an isotropic mineral, it goes extinct when rotated under polarized light. Pyrope garnet - and all other isotropic minerals for that matter - would remain extinct at any angle under polarized light.
In one of the scenes showing the mummy version of Pauline Rayburn in front of the air-conditioner, Pauline's eyes moved.