eye 3 to 3 3/7; maxillary 23 to 2 4/5; interorbital 3 4/5 
to 4. Moderately compressed, fusiform. Head width 2 1/8 to 
21/3 its length. Snout conic, width 1 to 1¢ in its length. 
Eye advanced, hind pupil edge about midway in head length. 
Maxillary to or slightly beyond front eye edge, to pupil 
in young. Mouth small, gape very short; mandible slightly 
protrudes, rami well elevated inside mouth. Interorbital 
little convex. Cheek with large prominent striae, extend 
aiso on preopercle and opercle. Gill-rakers 6430, finely 
lanceolate. Scakes thin, caducous, narrowly imbricate, 
each with 3 to 7 vertical striae, latter better developed 
with age. Dorsal origin about midway between snout tip and 
last anal ray base, or about midway between snout tip and 
Caudal base in young. Anal inserted midway between caudal 
base and ventral origin. Caudal small, well forked, with 
scaly flap at each lobe basally. Pectoral reaches 2/5 to 
ventral. and latterinserted little behind dorsal origin. 
In alcohol back dark brown, sides and below silvery white. 
Tris white. Fins all pale. Four examples 32 to 33 mm. long 
from Tongatabu. We also include for comparison 7 in the 
Academy from the Philippines 50 to 62 mm. long. 
Spratella arcuata(Jenyns). 
One example from Rio Janeiro, in poor condition, which 
agrees with Jenyn's imperfect account, except he compares 
it with Clupea harengus Linnaeus and says, “teeth the same, 
? 
and very minute,” which would infer the presence of vomer- 
ine teeth, though such are absent in our example. He also 
