The Collaborative International Dictionary of English v.0.48:
Pintos \Pin"tos\, n. pl.; sing. Pinto. [Sp., painted,
   mottled.] (Eyhnol.)
   A mountain tribe of Mexican Indians living near Acapulco.
   They are remarkable for having the dark skin of the face
   irregularly spotted with white. Called also speckled
   Indians.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Speckled \Spec"kled\, a.
   Marked or variegated with small spots of a different color
   from that of the rest of the surface.
   [1913 Webster]
   Speckled Indians (Ethnol.), the Pintos.
   Speckled trout. (Zool.)
   (a) The common American brook trout. See Trout.
   (b) The rainbow trout.
       [1913 Webster]