P. microcephalus, the Lemon-dab: scales small, smooth, and imbedded; skin slimy, head and mouth very small, colour yellowish brown with large round darker marks.
"Hormones and Heredity"
J. T. Cunningham
One will often find, for example, sound judgment in the subject of a marked paralysis, whilst it is very rare to find that good intelligence co-exists with any degree of microcephalus.
"Mentally Defective Children"
Alfred Binet Théodore Simon