MUGILIDA, — XLVI. 99 
Perca, perch; Esoz, pike; intermediate between Pikes and 
Perches.) 
Famity XLVI. MUGILIDAG. (THE MULLETs.) 
Body oblong, with large cycloid scales; no lateral line; mouth 
small, nearly toothless; upper jaw protractile; gill membranes free 
from isthmus; gill rakers long, slender; pseudobranchie large. 
Dorsals separate, the anterior with four spines ; anal similar to soft 
dorsal, its spines 2 or 3. Air-bladder large; intestinal canal long; 
vertebre 11+ 13 = 24. Genera 5, species 75; in fresh waiers 
and seas of warm regions, feeding on mud. 
a. Jaws with tooth-like cilia; stomach muscular, gizzard-like; anal spines 3. 
Muelz, 112. 
112. MUGIL (Artedi) Linneus. (Ancient name from mulgeo, 
to suck.) 
a. Adipose eyelid well developed. (Mugil.) 
b. Soft D. and A. nearly naked; A. III, 8. 
245. M. cephalus L. Striprp Mutiet. Common MULLET. 
Silvery, darker above; dark stripes along the rows of scales; a 
dusky blotch on base P. Head 4; depth 4. D.IV-I,8. Scales 
40-13. L. 24. Warm seas; common N. to Cape Cod, ascending 
streams. (JM. albula L.) (Eu.) (An old name, from xedany, 
head. ) 
bb. Soft D. and A. scaly; A. ITI. 9. 
246. M. curema Cuv. & Val. Waite MuLiet. BLUE-BACK 
Mvuuier. Liza. Silvery; scales without dark stripes; a dark 
spot at base P.; P. not nearly reaching D. Head 4; depth 4. 
D.IV-I, 8. Scales 38-12. L.18. Warm seas, N. to Cape Cod, 
searce N. (M. brasiliensis Giinther, not of Agassiz.) (A Brazilian 
name.) 
Famity XLVII. ATHERINIDA. (THE Sitversipes.) 
Body elongate, compressed, with cycloid scales; no lateral line ; 
mouth moderate ; teeth small; opercles unarmed ; gill membranes 
free; pseudobranchie present; gill rakers slender. Dorsals well 
separated, the first of 3 to 8 slender spines ; A. similar to soft D., 
with one spine; V. I, 5; air-bladder present ; vertebree numerous. 
Genera 8 ; species 50, fishes living in schools along coasts of warm 
regions, a few in rivers. (d0epivy, the old name from dénp, a dart.) 
a, Premaxillaries freely protractile; their posterior end broad; teeth in bands. 
none on vomer; a silvery band along side. 
6. Jaws both short, the upper scarcely longer than eye... . Menrp1A, 113. 
bb. Jaws both La yiieal in a short beak; the ane about half longer than 
CV Owe ie eis aCe voy hah feist . . LABIDESTHES, 114, 
