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In snakes, the ínternasal scales are those on top of the head between the scales that surround the nostrils.<ref name="W&W57">Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. ISBN 0-4014-0463-0.</ref> They are usually paired and situated just behind the rostral.<ref name="USN91">U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 203 pp. ISBN 0-486-26629-X.</ref>

[edit] Related scales

• Nasal scales.
• Rostral scale.

[edit] See also

• Snake scales.
• Scale (zoology).

[edit] Cited references