102 REPORT OF NEW JERSEY STATE MUSEUM. 
Alosa sapidissima Abbott, Geol. N. J., 1868, p. 821.—Abbott. 
Nat. Rambles, 1885, p. 478.—Bean, Rep. Forest, Fish and Game 
Com, NMY¥:; goer, pi 305: 
Alosa prestabilis Abbott, Am. Nat., IV, 1870, p. 115. 
Genus CLUPANODON Lacépéde. 
The Thread Herrings. 
Clupanodon oglinum (Le Sueur). 
Thread Herring. 
Head 4; depth 3; Div, 15; A. m1,,21; scales 45 cimelareet 
series to base of caudal; 12 scales between dorsal and ventral; 
abdominal scutes 17 + 17; snout 4 in head; eye 344; maxillary 
2%; interorbital space 414; base of dorsal 114; base of anal 
11%; least depth of caudal peduncle 224; pectoral 124; ventral 
2%. Body with greatest depth at origin of dorsal or anterior in 
length, and lower profile evenly convex. Head deep, compressed, 
upper profile less inclined than lower. Eye small. Max- 
illary reaching first two-fifths of orbit. Jaws even, without teeth. 
Interorbital space flattened. Opercular edge of gtll-opening with 
a deep gash below. Gill-rakers numerous, about 50 + go, long- 
est two-thirds of orbit. Belly strongly serrate. Scales narrowly 
imbricate. Dorsal inserted about midway between tip of snout and 
middle of anal and last ray prolonged, three in head and trunk. 
Anal low, inserted nearly midway between origin of ventral and 
base of caudal. Caudal forked, lobes slender, pointed and lower 
longer. Pectoral two-thirds of space to ventral, which reaches 
three-eighths of space to anal. Color bluish above, sides and 
below silvery. A bluish shoulder-spot. Each scale on back with 
distinct dusky spot, forming longitudinal rows. Dorsal and 
caudal grayish, tips of lobes black, other fins pale. Length 8% 
inches. Sea Isle City. 
Color of the above when fresh, back slaty with a very dull 
tinge of hyaline in some lights, in others flashes of metallic 
bluish and purplish. Longitudinal dorsal streaks four, without 
