1865.] GILL — FISHES OF THE BAY OF FUNDY. 259 



Genus Coregonus (Art.) Ag. 

 Body never spotted. Mouth small, toothless, with the lower 

 jaw shorter. 



Coregonus — — . Gizzard-fish. (Perley.) 



Coregonus albus, Perley, Report on Sea and River Fishes of New 

 Brunswick, p. 204. 



Argentinin^e (Bon.) Gill. 



Teeth acute. Stomach coecal, and at the pyloric extremity 

 provided with few coeca. 



Genus Osmerus (Art.) 



Sexes scarcely distinguishable externally. Scales in both regu- 

 larly imbricated. Pectorals and ventrals moderate (P. 10-12). 

 Osmerus mordax Gill ex Mitch. Smelt. (Perley.) 

 Osmerus viridescens, Storer, Mem. Am. Ac. vi. 

 Genus Mallotus Cuv. 



Sexes very dissimilar : scales of the male villose or pointed in a 

 lateral band ; pectorals and ventrals very large and overlapping one 

 another; scales of the female as in Osmerus. (P. 18 - 20.) 



Mallotus villosus Cuv. Capelin. (Perley.) 



Salmo (Mallotus) villosus, Rich. F. B. A., iii, Fishes, p. 187. 



CLUPEID^E (Cuv.) 



Clupein^e (Bon.) 



Body much compressed, fusiform. Head conic, with oral cleft 

 longtitudinal and the lower jaw projecting. 

 Genus Clupea (Linn.) 



Scales simple. Upper jaw little emarginated at symphysis. 

 Mouth well toothed. 

 Clupea elongata Les. 



Clupea elongata, Storer, Mem. Am. Ac. vi, 330, pi. 26, fig. 1. 



Genus Alosa Cuv. 



Scales simple. Pre-opercular with a very short horizontal pro- 

 cess; cheeks very high. Upper jaw deeply notched at symphysis. 

 Mouth toothless, or with supramaxillars only toothed. 



Alosa tyrannus Gill ex Lat. 



Alosa praestablis, Storer, Mem. Am. Ac. vi, 332, pi 26, fig 2. 



