AMMODYTES. LAUNCE. 



Generic Character. 



Caput compressum, corpore 

 angustius: labium supe- 

 rius duplicatum: mandi- 

 bula inferior angusta 

 acuminata : denies ace- 

 rosi. 



Membrana branchiostega ra- 

 diis septem. 



Corpus teretiusculum squa- 

 mis vix conspicuis: cauda 

 distincta. 



Head compressed, narrower 

 than the body : upper lip 

 doubled : lower jaw nar- 

 row, pointed : teeth small 

 and sharp. 



Gill-membrane seven-rayed. 



Body long, roundish, with 

 very small scales: tail 

 distinct. 



SAND LAUNCE. 



Ammodytes Tobianus. A. maxilla inferiore longiore. 

 Launce with the lower jaw longer than the upper. 

 Ammodytes Tobianus. Lin. Syst. Nat. p. 430. 

 Ammodytes Gesneri. Sand-Eel. Witt.ichth. p. 113. 

 Sand Launce. Penn. Brit. Zool. 3. p. I37.pl 25. 



H E Launce, so named from its shape, is a 

 native of the northern parts of Europe, commonly 

 frequenting the coasts, and lying imbedded in the 

 sand, in which it conceals itself at the depth of 

 about a foot, with its body rolled into a spiral 

 form. In this situation it is either dug out, or drawn 

 up by means of a hook contrived for that purpose, 

 v. iv. P. i. 6 



