This section is from the book "The Practice Of Palmistry For Professional Purposes", by C. de Saint-Germain. Also available from Amazon: The Practice of Palmistry for Professional Purposes.
Very long - Discusses everything to death; trusis nobody and nothing. Paradoxical to a degree.
Long - A good, strong reasoner; a correct logician.
Short - The reasoning power is weak, or is used by fits and starts.
Very short - Lacks the simplest common sense; hates to think before acting.
Broad - if long - A good understanding of material things. If short - A primitive type of intellect.
Flat - In this case, logic lacks healthy development; often false logic.
Thick and clumsy - A lower grade of brains; the primitive type again.
Slender - Refinement in thought; sometimes nervousness affecting the reasoning power.
Wasped or waist-shaped - Quick, sharp, brilliant intellect; love of things intellectual.
I refer the reader to the Skeleton of the Hand, found in a preceding chapter, for the proof that the Thumb has only two phalanges, and not three, as is commonly believed. The falsely so-called Third Phatanx is in reality the Mount of Venus, and will be studied later under that name.