AMMODYTES.
Sand-Lance.
Generic Character.
Corpus gracile, teretiusculum, polyedrum, elongatum, squamis vix conspicuis. Labium superius duplicatum; mandibula inferior angusta, acuminata. Membrana branchiostega septem-radiata. Pinna dorsalis corpore penè æqualis, radiis simplicibus flexilibus.
Typus Genericus Ammodytes Tobianus. Linn.
Body slender, roundish, many-sided, with minute scales. Upper lip doubled; lower jaw narrow pointed. Gill membrane seven-rayed. Dorsal fin nearly as long as the body, with simple flexible rays.