43 



SI St Species. Spring False Herring. Hyodrm vernalh; 

 Hyodon printanier. 



Diameter one fourth of total length, body entirely silvery, 

 back with bluish shades: lateral line straight, tail equally foik- 

 cd, sinus obtuse. l>orsal fin with 13 rays, the anal with 28 

 rays, falcated and with acute ends. 



Length from ten to twelve inches; head small and narrow, 

 nostrils very large, eyes above the corner of the mouth, black 

 and somewhat elliptical vertically, iris round, silvery with gilt 

 shades. Fins slightly olivaceous, the dorsal with 3 simple rays, 

 the first very short, anal fin somewhat adispose anteriorly. Pec- 

 toral fins with 12 rays, hardly reaching the abdominal fins. Tail 

 with 30 rays, somewhat marginated with brown. Branchial 

 membrane with 7 rays. This fish begins to appear all over the 

 Ohio and even at Pittsburgh in April: it is very common; but 

 a poor food, owing to its great number of small bones. It is 

 sometimes smoked and cured as the Atlantic Herrings; but is 

 not quite so good. 



3d Subgenus. Clohalus. 

 Body oblong irregular or somewhat rhomboidal. Jaws nearly 

 equal, the lower one somewhat longer and with small teeth. 

 Dorsal fin beginning before the base of the anal fin. 



32d Species, May false Herring. Hyodon clodalus. Hy- 

 odon de May. 



H. Clodalus. Lesueur Jour. Ao. N. Sc. 1. p. STT". 

 Diameter one fourth of total length, body silvery, back bluish, 

 lateral line nearly straight, tail equally forked, sinus obtusely 

 Dorsal fin with 15 rays, the anal with 30, not falcated, ends a- 

 cute. 



Length eleven inches, fins yellow with metallic colours on, 

 the rays, pectoral with 13 rays not reaching the abdominal, 

 caudal with 2© rays. It comes as far as Pittsburgh in May. 

 Its flesh is pretty good. Eyes elliptical vertically, brown. Iris 

 golden. 



33d Species Lake False Herring. Hyodon ei^4€tlttT^ 

 Hyodon lacustre. 

 H. tergisus. Lesueur Journ. Ac. N. Sc. I. p. 336, tab. 14. 

 Diameter one fourth of total length, body silvery, back blu* 



