420 ORDER MALACOPTERYGII ABDOMINALES. 



finest tints of silver and transparent green. It is 

 most excellent eating. S. Eperlamis, L., Bl. 28. 2. 

 (the smelt). 



Mallotus, Cuv., 



With the cleft mouth of the preceding, have only 

 even, small, and crowded teeth at the jaws, palate, 

 and tongue. Their gills have eight rays ; their body 

 is elongated and covered with small scales ; their first 

 dorsal and ventrals are farther back than the middle ; 

 they are particularly recognized by the broad round 

 pectorals which almost touch one another under- 

 neath. 



But one species is known, which belongs to the 

 northern seas. Salmo Grcenlandicus, Bl. 381 ; the 

 Capelcm, Duhamel, Sect. I. pi. xxvi. ; Clupea villosa, 

 Gmel. ; a small fish which has been employed as a 

 bait in the cod-fishery. The male, in the spawning 

 time, has a broad band all along the flank, furnished 

 with long, narrow, and raised scales, which have the 

 appearance of hairs. 



Thymallus *, Cuv., 



Have the same structure of jaw as the trouts, but 

 their mouth is but very slightly cleft, and their teeth 

 are very fine ; their first dorsal is long and high, and 

 they are further distinguished by their larger scales ; 



N.B. Artedi united this genus and our Coregonus, in his genus 

 Coregonus. 



