In snakes, the internasal scales are those on top of the head between the scales that surround the nostrils.Wright AH, Wright AA (1957). Handbook of Snakes of the United States and Canada. Ithaca and London: Comstock Publishing Associates. (7th printing, 1985). 1,105 pp. (in two volumes). . They are usually paired and situated just behind the rostral.U.S. Navy (1991). Poisonous Snakes of the World. United States Government. New York: Dover Publications Inc. 203 pp. .

Related scales Nasal scales Rostral scale

See also Snake scales Scale (zoology)

References