As I opened the garage door, I startled a large moth, which, upon spreading it's wings, displayed a bright red "tail" hidden by the motley brown wings, more a "butterfly" than a moth.

The light from the high Windows is dappled, as if in a church, and the padded silence is broken only by a gentle bubbling.

The classic "tigroid" appearance that is the result of heterogeneous areas of myelination and dysmyelination may be seen on MRI but this finding is not exclusive to PMD.