\7. CLL’PEIDiE SPRATELLOIDES. 
263 
remain there permanently. The current genera are ill defined and 
apparently too numerous, and we have followed Dr. Gunther in refer- 
ring most of them to Clnpea. The rudimentary teeth are extremely 
variable, even in the same species. 
{CliijetdcB groups Clapeina ami Dussitmieriina Giiutber, vii, 412-467.) 
* Dolly roumled, covered with ordinary scales ; supidemeutal houes of maxillary very 
narrow. (Dussumierihia^) 
a. Veutrals small, behind dorsal ; teeth small, persistent on jaws, vomer, palatines. 
pterygoids, and tongue Etrumeus, 120. 
aa. Ventrals below dorsal ; teeth wanting or deciduous Spratelloide.s, 121. 
** Delly compressed, armed with bony serrae j supplemental l)ones of maxillary broad. 
{Clupeince.) 
b. Scales with them posterior margins entire and rounded. 
c. Last ray of dorsal not jiroduced. 
d. Scales thin, deciduous Clupea, 122. 
dd. Scales firm, adherent, regularly arranged Harengula, 123. 
cc. Last ray of dorsal produced iu a long filament Opistuonema, 124. 
bb. Scales with their posterior mai’gms vertical, and pectinate or fluted. 
Brevoortia, 125. 
120.— ETKUITIEUS Bleeker. 
Bound Herrings. 
(Bleeker, Verb. Bat. Gen. xxv, Japan, 48: type Clupea micropus Schlegel, from Japan.) 
Body elongate, fusiform, subcyliudrical, snout pointed. Mouth ter- 
minal, rather wide, the maxillary extending to opposite the eye, its sup- 
plemental iiieces slender; jaws and most of the bones of the mouth 
with small but permanent teeth. Scales cycloid, entire, very decidu- 
ous. Branchiostegals fine, about 15 in number. Pyloric coeca numer- 
ous. Belly rounded, covered with ordinary scales. Fins all small, 
the anal especially so. Ventrals behind dorsal. Two species known. 
[ijzpov, abdomen; cJ/r^?, even?) 
43?. E. teres (DeKay) Giiuther. — Round Herring. 
Olivaceous above, silvery on sides and below. Body terete and fusi- 
form. Head slightly compressed forwards. IMouth small,, maxillary 
reaching front of orbit. Ej^e large, equal to snout. Fins all very small. 
VoDieriue teeth present. Ilead 4 in length; depth C. D. l'>; A. 10. 
Atlantic coast of the United States; not common. 
{Alosa teres DeKay, New York Fauna, Fish. 1842, 262; Giiuther, vi, 467.) 
12 i. — SPSIATEEEOIIIES Bleeker. 
(Bleeker, Verb. Bat. Gen. xxiv. Haring, 29: typo Clupea argyrotamia Bleeker.) 
Body elongate, subcyliudrical or slightly compressed, covered with 
moderate-sized deciduous scales. Abdomen obtuse, without keel or 
