[59] REVIEW OF THE SCIZNID&. | 401 
m. Slits and pores of snout anteriorly obsolete, or nearly so 
(Pseudosciena Bleeker). 
n. Caudal peduncle long, the caudal: fin subtruncate; profile 
rather steep, the snout pointed, 4 in head; eye 
small, 5 to 6; preorbital narrow, about 24 in eye; 
mouth rather large, little oblique, the maxillary 
reaching beyond pupil, 24 in head; teeth above ina 
narrow band, the outer enlarged; teeth in lower 
jaw in few series, some of those in the inner consid- 
erably larger; lower jaw included ; snout 33 in head; 
preopercle serrulate, the teeth all membranaceous, 
becoming obsolete with age; gill-rakers 4 + 8, short 
and slender; scales small, those below lateral line 
in oblique series,as well as those above; dorsal 
spines weak, the longest 2? in head ; pectoral short, 
13 in head; second anal spine very small, 43 in head, 
about half as long as soft rays, the insertion well 
forward; caudal subtruncate; soft dorsal scaleless. 
Color grayish, darker above; a gray blotch on oper- 
cle; fins reddish. Head 4in length; depth 44; D. 
X-I, 26 to 29; A. II, 7. Scales 8-52 to 55-18. 
AQUILA, 65. 
mm. Slits and pores on snout anteriorly well developed (Cal- 
laus Jordan). 
o. Head and body compressed, the back arched, the outline 
oblong-elliptical ; profile straightish, rather steep; 
head bluntish, the snout 44 in head; eye rather 
large, 54 in head,as wide as the broad preorbital ; 
maxillary extending to middle of pupil, 3} in head ; 
mouth rather large, a little oblique, the lower jaw 
slightly included ; preopercle finely and evenly ser- 
rate, the serre flexible and not bony; gill-rakers 
slender and very short, scarcely as long as pupil, X-+ 
12in number; teeth in moderate bands, some of the 
outer moderately enlarged above, some of the inner 
ones below, these smaller than those of the upper 
jaw; soft dorsal and anal scaled at base only ; dorsal 
spines moderate; second anal spine small, 4! in 
head ; caudal lunate, its upper lobe the longer ; pec- 
toral long, 14 in head; color bluish above with faint 
dark horizontal streaks, following the rows of scales; 
axil dark; fins pale; head 3 in length; depth 3; 
D. X-I, 23; A. II, 9. Scales 50..... DELICIOSA, 66. 
jj. Second anal spine long and stout, its length 2 to 3in head; back 
elevated; mouth small, inferior; snout with con- 
spicuous slits and pores. 
p. Vertical fins high ; membranes of dorsal and anal scale- 
less; caudal fin subtruncate, its middle rays the long- 
est (Sciena). 
q. Dorsal spines slender and weak, the 4th to 6th sub- 
equal, 1? in length of head; ventrals long and lan- 
ceolate, the outer rays reaching almost to vent, 
scarcely shorter than head; body rather short and 
deep, the back elevated, profile steep, depressed above 
the eye; ventral outline slightly arched; snout blunt, 
