192 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Described from the type, No. 50677, U. S. N. M. (field No. 03489), an example 7.5 inches long, 
taken at Hilo, with hook and line, in deep water 1 with Elelis evurus, Eteliscus marshi, Erythrichthys 
ichlegeli, Antigonia steindarhneri, and Anthicis fuscipinnis. 
We have examined only one example, the one described above. 
37 . Pseudocheilinus evanidus Jordan & Evermann, new species. 
Head 3 in length; depth 3.8; eye 4.5 in head; snout 3; preorbital 6.2, interorbital 5.5; D. ix, 11; 
A. hi, 9; scales 2-25-6. 
Body short, deep and compressed; head long, conic; snout long, sharply conic; anterior profile 
rising in a relatively straight line from tip of snout to nape, thence gently convex to base of caudal 
peduncle; ventral outline less convex; mouth large, horizontal, below axis of body, gape reaching 
anterior line of orbit; upper jaw with 3 pairs of anterior canines, outer strongest, curved outward 
and backward; lower jaw with a single pair at tip, similar to inner above; jaws laterally with a single 
series of smaller conic teeth; preorbital narrow, oblique; eye high up, its lower border on axis of 
body; interorbital space rather broad and flat; depth of caudal peduncle about 2 in head; scales large, 
surfaces finely striate; head, nape, and breast with large scales; lateral line following contour of 
back until under base of sixth dorsal ray, where it is interrupted, reappearing 2 rows farther down and 
continuing on 6 or 7 scales to base of caudal fin; fins rather large; dorsal spines somewhat greater than 
eye in length, spines with a sheath of large scales reaching nearly to their tips; soft dorsal and anal 
with a lower sheath; soft dorsal elevated, rays equal to snout and eye; anal similar to soft dorsal, 
second spine- strongest, nearly as long as snout; anal rays somewhat longer, equaling those of soft 
dorsal; caudal rounded, its length 1.3 in head, its base covered with very large, thin scales. 
Color in life, according to Mr. Sindo, body dull brick-red; belly and base of anal pale purplish; 
about 17 thin, thread-like longitudinal yellowish streaks along side anteriorly; dark greenish blotches 
above eye and on snout; a bluish horizontal bar on cheek, below which is a yellow bar; median line 
of throat and tip of snout brick-red; edges of opercle and preopercle bright purple; a purple stripe 
with reddish edges through middle of dorsal fin, below which the color is dull brick-red, like that of 
body, and above which the spinous dorsal is orange-yellow, the margin of the membranes bright 
cardinal-red; above the purple streak in the soft dorsal is a bright yellow streak, above Avhich the fin 
is cardinal-red, fading gradually upward; dorsal rays purplish; tip of soft dorsal somewhat red; caudal 
rays purple, the membranes immediately next to the rays yellow, middle part dull brick-red; anal 
> same as caudal; ventrals pale purplish; pectoral pale; iris scarlet-red. 
The same specimen after having been in spirits more than a year has the body light brownish- 
blue; a pale streak along each row of scales, but no trace of the narrow yellowish streaks above noted; 
top of head and upper part of cheek dusky blue; opercle and edge of preopercle rich blue; dorsal, anal, 
and caudal fins bright blue, the soft dorsal pale on outer two-thirds, dorsal rays bright blue; ventrals and 
pectoral light blue, latter darker blue at base. The color of this specimen in spirits is wholly different 
from that which it possessed in life, and it would be difficult to believe that such changes had taken 
place except that the specimen was carefully tagged in the field when the color note in life was taken. 
Since writing the above, we have noticed similar changes in the Samoan species, P. hexatsenia. 
The blue shades are permanent in spirits, while the pink or crimson wash soon vanishes in spirits. 
The 17 thread-like streaks, mentioned in Mr. Sindo’ s field notes above, have vanished entirely in 
the original type. A number of specimens taken by Mr. Snyder at Laysan, while on the Albatross, 
retain these traits, the streaks being almost white, like white threads, covering most of the side 
anteriorly. This is a very peculiar color mark, which should well distinguish the species in life. 
A single specimen, type, No. 50678, U. S. N. M. (field No. 05757), was taken by Mr. Sindo in 
Henshaw’s pool near Hilo, a deep tide-pool in the lava rocks. 
38 . Hemipteronotus baldwini Jordan & Evermann, new species. 
Head 3.25 in length; depth 3; eye 5.75 in head; snout 1.75; maxillary 3; preorbital 2.2; inter- 
orbital 4.8; D. ii-vni, 13; A. in, 13; scales 3-27-9. 
Body moderately short and deep, greatly compressed; head slightly deeper than long; anterior 
profile nearly vertical from mouth to front of eye, sharply cultrate; dorsal outline gently convex, sloping 
to the deep caudal peduncle; ventral outline less convex; caudal peduncle very narrow, the depth 
2.25 in head; mouth small, horizontal, the maxillary nearly reaching vertical of orbit; the jaws equal, 
